CIC filter design and implementation

I need a CIC (cascaded integrator-comb) filter - see here
How can I design and implement it in CVI?
Thanks
Vix
In claris non fit interpretatio
Using LV 2013 SP1 on Win 7 64bit
Using LV 8.2.1 on WinXP SP3
Using CVI 2012 SP1 on Win 7 64bit, WinXP and WinXP Embedded
Using CVI 6.0 on Win2k, WinXP and WinXP Embedded

Hi,
Although there is a specific toolkit named Digital Filter Design Toolkit in LabVIEW, there isn't a specific toolkit for CVI.
You can see these document for more info:
http://www.ni.com/white-paper/52336/en/
http://www.ni.com/white-paper/14784/en/
http://www.ni.com/white-paper/2859/en/
http://zone.ni.com/reference/en-XX/help/371988F-01/lvdfdtconcepts/cic_filters/

Similar Messages

Ask the Expert: Plan, Design, and Implement Mobile Remote Access, the Cisco Collaboration Edge Architecture

Welcome to the Cisco® Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about planning, designing, and implementing mobile remote access (Cisco Collaboration Edge Architecture) with Cisco subject matter experts Aashish Jolly and Abhijit Anand.
Cisco Collaboration Edge Architecture is an architecture that provides VPN-less access of Cisco Unified Communications resources to Cisco Jabber® users. This discussion is dedicated to addressing questions about design best practices while implementing mobile remote access.
For more information, refer to the Unified Communications Mobile and Remote Access via Cisco VCS deployment guide.
Aashish Jolly is a network consulting engineer who is currently serving as the Cisco Unified Communications consultant for the ExxonMobil Global account. Earlier at Cisco, he was part of the Cisco Technical Assistance Center (TAC), where he helped Cisco partners with installation, configuring, and troubleshooting Cisco Unified Communications products such as Cisco Unified Communications Manager and Manager Express, Cisco Unity® solutions, Cisco Unified Border Element, voice gateways and gatekeepers, and more. He has been associated with Cisco Unified Communications for more than seven years. He holds a bachelor of technology degree as well as Cisco CCIE® Voice (#18500), CCNP® Voice, and CCNA® certifications and VMware VCP5 and Red Hat RHCE certifications.
Abhijit Singh Anand is a network consulting engineer with the Cisco Advanced Services field delivery team in New Delhi. His current role involves designing, implementing, and optimizing large-scale collaboration solutions for enterprise and defense customers. He has also been an engineer at the Cisco TAC. Having worked on multiple technologies including wireless and LAN switching, he has been associated with Cisco Unified Communications technologies since 2006. He holds a master’s degree in computer applications and multiple certifications, including CCIE Voice (#19590), RHCE, and CWSP and CWNP.
Remember to use the rating system to let Aashish and Abhijit know if you have received an adequate response.
Because of the volume expected during this event, our experts might not be able to answer every question. Remember that you can continue the conversation on the Cisco Support Community Collaboration, Voice and Video page, in the Jabber Clients subcommunity, shortly after the event. This event lasts through June 20, 2014. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

Hi Marcelo,
Yes, there are some requirements for certificates in Expressway.
Expressway Core (Exp-C)
- Can be signed by either External or Internal CA
- Better to use a cluster name even if you start with 1 peer in Exp-C cluster. In the future, if more peers are added, changes would be minimal.
- Better to use FQDN of cluster as CN of certificate, this way the traversal zone configuration on Expressway-E won't require any change even if new peers are added to Exp-C cluster.
- If CUCM is mixed mode, include security profile names (in FQDN format) as Subject Alternate Names
- The Chat Node Aliases that are configured on the IM and Presence servers. They will be required only for Unified Communications XMPP federation deployments that intend to use both TLS and group chat. (Note that Unified Communications XMPP federation will be supported in a future Expressway release). The Expressway-C automatically includes the chat node aliases in the CSR, providing it has discovered a set of IM&P servers.
- For TLS b/w CUCM, IM-P & Exp-C
+ If using self-signed certificates on CUCM, IM/P. Load Cisco Tomcat, cup, cup-xmpp certificates from IM-P on Exp-C. Load callmanager, Cisco Tomcat certificates from CUCM on Exp-C.
+ If using Internal CA signed certificates on CUCM, IM/P. Load Root CA certificates on Exp-C.
+ Load CA certificate under tomcat-trust, cup-trust, cup-xmpp-trust on IM-P.
+ Load CA certificate under tomcat-trust, callmanager-trust on CUCM.
Expressway Edge (Exp-E)
- Signed by External CA
- Configured Unified Communications domain as Subject Alternate Name
- If using a cluster, select FQDN of this peer as CN and FQDN of Cluster + this peer as Subject Alternate Name.
- If XMPP federation is being deployed, enter the same Chat Node Aliases as entered in Exp-C.
For more details, please refer to the Certificate Creation Guide for Cisco Expressway x8.1.1
http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-1/Cisco-Expressway-Certificate-Creation-and-Use-Deployment-Guide-X8-1.pdf
- Aashish

How to design and implement an application that reads a string from the ...

How to design and implement an application that reads a string from the user and prints it one character per line???

This is so trivial that it barely deserves the words "design" or "application".
You can use java.util.Scanner to get user input from the command line.
You can use String.getChars to convert a String into an array of characters.
You can use a loop to get all the characters individually.
You can use System.out.println to print data on its own line.
Good luck on your homework.

Management VLAN Design and Implementation

Greetings, friends. I'm having trouble getting a clear picture of how a management VLAN ought to look. I just installed a Catalyst 6509-E as my core switch, and as soon as they arrive I'm going to be replacing all of our other (HP) switches with Catalyst 3560X switches. I understand the reasoning behind segregating traffic, not using VLAN1, etc., but I've never actually implemented a management VLAN--I've always just accessed the switches via the IPs assigned to them where all the client traffic flows (not VLAN1, by the way).
Is "management VLAN" simply what we as humans call a VLAN we dedicate to management activities, or is there something official in these switches to designate a "management VLAN?"
Is it best practice to include SNMP, netflow, syslog, and NTP as "management" traffic?
There's a lot of documentation talking -about- management and management VLANs, but unless I'm blind or not looking hard enough I can't seem to find any implementation whitepapers or best practices whitepapers that demonstrate setting one up on a campus LAN. Are you able to point me in the right direction to find such documentation? Is it perhaps buried in a manual somewhere that isn't explicitly labeled "Management VLAN Design and Implementation" or somesuch?
What is the best practice for accessing the management VLAN? Inter-VLAN routing + ACLs? Multi-homed PCs or servers? Additional PCs to be used as access stations?
Thank you for your wisdom, experience, and advice!
Kevin

1. Yes, you may want to keep this traffic separate of the other traffic limiting device management access to just this vlan, as this prevents eavesdropping.
2. Indeed all other housekeeping goes via this VLAN altough you could limit it to the interactive or session traffic.
3. On a campus you could think of one big VLAN spanning the campus, one a multi-site environment or where you use L3 to go to you datacenters you probably need multiple management lan's. I've seen implementations where the management traffic was kept separate and even didn't use the routing protocol in use. The whole management lan was statically routed and would work even if OSPF or BGP was down.
4. I feel a situation where the people providing support are connected on the lan giving access to the devices is probably best. A dual homed pc is a good solution I think, other customer feel the management lan should be treated as a DMZ accessible via a firewall, but the hardcore customer insist on a second pc connected to the management lan.
Points to consider are as always,
Find the single point of failure. Any device, L2 L3 firewall that could cut off management from accessing a part of the network.
Find the right balance between security, costs, easy of access for the business your in.
Cheers,
Michel

Question on figure 3-4 of SNASw Design and Implementation guide

Hello,
on figure 3-4 on page 3-7 of the SNASw Design and Implementation guide there is an example code of SNASw port and links for Upstream Hosts.
There is one port statement and two link statements, one for each host.
However, assume I have one host with two OSA interfaces, can I use the same coding (two links, one for each OSA), as a redundancy mechanism of the OSAs? How can I choose the primary link?
Or if I do this configuration I will achieve also load-balancing? (both links active)
Regards, Apostolos.

HPR is built on top of APPN with respect to path determination. In APPN the session path is determined by the Topology and Routing Services (TRS) component in the Network Node serving the device originating the session. TRS calculates this path by looking at the characteristics associated with each possible Transmission Group (TG a.k.a. link) that can be used for the session. In the case you are talking about where you have parallel TGs (two or more links) between two nodes, and unless you do some customizing of the TG profiles, they will have equal weight (desireability). This means that over time (and with enough sessions) you would see the load balanced over the two links. If you customize the TG profile (on snaswitch you use the tgp keyword), you can achieve the result of all sessions on a primary link and no sessions on a backup link until the primary link fails. - Ray

Design and implementation

We have below scenario.
We have Stage Database
With details like
Car_Table
Car manufacturer
CAR cost center
Car Registration Date
Car Registration End Date
Care Agreement Renevation
Car Type
LocationDetails
Room Details
From these we need to design below report
                             #Number of Cars          # CAr Type
#Number of Adds #Number of Deletes
Location Details              500                      100
50          10
    CAR cost center           100                      20
5           5
    Room Details                50
40                10           4
* Note : in above Case Single CARID can move from one location/cost center/Room details to another.
Also #Number of Adds means, Car Registration Date is not null and Car Registration End Date is null
Also #Number of Delete means, Car Registration End Date is not null.
Row Data is like given below
Car
Agreement
Location
REgistartion_Start_Date
Registration_End_Date
A1
ABC
Site 1
1-Jan-13
31-Jan-13
A1
DEF
Site 1
5-Jan-13
28-Feb-13
A1
GHI
Site 2
1-Mar-13
31-Mar-13
A1
JHL
Site 2
15-Feb-13
10-Mar-13
I convert this into below format
Asset
Site
Date
Type
A1
Site 1
1-Jan-13
Add
A1
Site 1
5-Jan-13
Add
A1
Site 1
31-Jan-13
Delete
A1
Site 1
28-Feb-13
Delete
A1
Site 2
15-Feb-13
Add
A1
Site 2
1-Mar-13
Add
A1
Site 2
10-Mar-13
Delete
A1
Site 2
31-Mar-13
Delete

Hi sandip satale,
According to your description, you can use T-SQL statement and get the results from the row data table, the results of “Location Details”
includes the following column: Number of Cars, CAr Type,
Number of Adds and Number of Deletes.
Use Test;
create table rowdata
( carid int , cartype varchar(10), Agreement varchar (10), Location varchar(10),
REgistartion_Start_Date varchar (20), Registration_End_Date varchar(20));
insert into rowdata
values
(1,'A1', 'ABC', 'Site1', '1-Jan-13', '31-Jan-13'),
(2,'A1', 'DEF', 'Site1', '5-Jan-13', '28-Feb-13' ),
(3,'A1', 'GHI', 'Site2', '1-Mar-13', '31-Mar-13') ,
(4,'A1', 'JHL', 'Site2', '15-Feb-13','10-Mar-13') ,
(5,'A2', 'ABC', 'Site1', '1-Jan-13', '31-Jan-13' ),
(6,'A2', 'DEF', 'Site1', '5-Jan-13', '28-Feb-13'),
(7,'A3', 'GHI', 'Site2', '1-Mar-13', '31-Mar-13') ,
(8,'A4', 'JHL', 'Site2', '15-Feb-13','10-Mar-13' ),
(9,'A1', 'ABC', 'Site1', '1-May-13', '12-May-13'),
(10,'A1', 'DEF', 'Site1', '5-MAr-13', '' ),
(11,'A1', 'ABC', 'Site2', '', '11-Mar-13')
select * from rowdata
select COUNT(distinct cartype)as numbercars ,COUNT ( distinct Location)as cartype,
(select count(REgistartion_Start_Date) from rowdata WHERE REgistartion_Start_Date!= '') as addnumber,
(select count(Registration_End_Date) from rowdata WHERE Registration_End_Date!= '') as deletenumber
from rowdata
As other post, if you want to get a report about number details of location, car cost center, room, you can post the issue on SQL Server reporting Service Forums,(
http://social.technet.microsoft.com/Forums/sqlserver/en-US/home?forum=sqlreportingservices). It is appropriate and more experts will assist you.
Regards,
Sofiya Li
Sofiya Li
TechNet Community Support

Ask the Expert: Enterprise Design and Deployment of Multicast

Welcome to this Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about Cisco enterprise design and deployment of multicast solutions.
The enterprise world is evolving to be overcome with large throughput capacity and record numbers of users connecting to the network. Mechanisms such as multicast, which allows for a minimization of throughput for multiple users subscribing to the same stream, are a welcome addition. Applications such as enterprise all-hands video streaming, trading applications, mass operating system deployment, and custom implementations can put a strain on the network if done via unicast. Multicast can minimize this strain by replicating a single stream for subscription by multiple parties who would like to receive the same information. For this Ask the Expert event, Patrick Lloyd, CCIE R&S no. 39750 and a network consulting engineer with Cisco’s Enterprise Advanced Services Delivery Team, will answer questions about multicast design and implementation based on best practices and prior experience with large enterprise deployments.
Patrick Lloyd is a network consulting engineer for Cisco’s Enterprise East Advanced Services team, working to support and lend his expertise to a number of financial, insurance, healthcare, and consulting customers. In his four years of experience, he has lent design expertise to multicast networks ranging from 500 Cisco devices and 20K users to upward of 4500 Cisco devices and 50K users. Patrick is certified with his Cisco Certified Internetworking Expert no. 39750 in the Routing and Switching track and also has achieved certification in CCNA Security and Securing Cisco Routers and Switches as part of the CCNP Security track. Patrick received his MS degree in networking and systems administration from Rochester Institute of Technology in Rochester, NY, and his BS degree in computer science from Eastern Connecticut State University. He frequently gives customer-based knowledge transfers.
Remember to use the rating system to let Patrick know if you have received an adequate response.
Because of the volume expected during this event, Patrick might not be able to answer every question. Remember that you can continue the conversation in Network Infrastructure under the subcommunity WAN, Routing & Switching shortly after the event. This event lasts through September 12, 2014. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

Thanks for the question! This is actually a good one that I've encountered with a couple customers in the past, the tradeoff between a flood and prune type design, as opposed to the shared tree -> shortest path tree sequence. As per Cisco best practice, we are actively trying to get customers to implement sparse mode, going so far as to not support PIM dense mode in our data center products. And for good reason! The last thing you want is a chatty protocol within the data center which is flooding traffic out to receivers who may or may not be interested in it every 3 minutes. Instead, you're much better off having interested receivers join a stream, have your RP connect the interested senders and receivers, and then transition to the shortest path between source and destination.
That being said, if you're studying for CCIE or looking to get experience in how multicast works, dense mode should at least be a lab exercise!
Links for reference as to the difference in PIM modes:
Dense Mode Operation:
http://www.cisco.com/en/US/docs/ios/ipmulti/configuration/guide/imc_pim_dense_rfrsh.pdf
Pim Modes and explanation of each:
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_53_se/configuration/guide/3750xscg/swmcast.html#wp1077051
A great slide deck to learn the operation of multicast:
https://www.ciscolive.com/online/connect/sessionDetail.ww?SESSION_ID=6633&backBtn=true
Troubleshooting Multicast:
https://www.ciscolive.com/online/connect/sessionDetail.ww?SESSION_ID=78578&backBtn=true
Let me know if this is the answer you're looking for!

Design and configuration tips & suggestions

This is the current configuration of switches I have setup on our network. Its about 150 miles long(east-west) and about 20 miles wide(north-south). All of the locations are connected via a wireless bridges(trango, tranzeo, smartbridges) or via an ISP private vlan. Currently I have the 3550's connecting to each other via ospf and they are all doing inter vlan routing. The 3550 at location 20(3550-20) is I guess one of the main switches. Its located at the data center and it has the most connections to other wirelessly connected buildings. I have it configured to do pbr to 4 different DSL connections and it also has the switches from the data center connected to it. The small to medium sized locations have 2950's or 2960's.
To give you an idea of what is all going on now:
18 Wireless Bridges
1200 Workstations
30 Servers
3000 Users
21 Mbit of internet access
200 Gig's of Data being Backed up over night
1 Local server at each location
We are planning on implementing a video conferencing system soon as well as voice services in the future.
What I would like to know is what is the best configuration for these switches to prepare them for video conferencing, data connections and maybe voice?
Vlan Configurations?
Trunking?
Routing?
QOS?
Any ideas or suggestions on configurations would be great. I want to make sure I go about this the right way the first time so I'm not reconfiguring when we want to setup the video or voice services.
Thanks,
Dan.

Hi,
when designing and implementing a video and voip network there are many things to consider. So I will not try to list some of them but would recommend you to read through
1) "IP Videoconferencing Solution Reference Network Design (SRND)"
http://www.cisco.com/application/pdf/en/us/guest/netsol/ns280/c649/ccmigration_09186a00800d67f6.pdf
2) "Enterprise QoS Solution Reference Network Design Guide Version 3.3"
http://www.cisco.com/application/pdf/en/us/guest/netsol/ns432/c649/ccmigration_09186a008049b062.pdf
3) "Campus Network Multilayer Architecture and Design Guidelines"
http://www.cisco.com/application/pdf/en/us/guest/netsol/ns656/c649/cdccont_0900aecd804ab67d.pdf
QoS will be needed in any case and there are separate chapters regarding your different Catalyst switches.
Generally VoIP will be transported in separate Voice VLANs interconnected through IP routing. So you should also have a look into your overall LAN design. 3) gives you a guidance to a robust modern switching design.
Hope this helps!
Regards, Martin

Design and Architect SSGD...

Hi All,
I work for a Sun Partner and am having the hardest time finding a strong Architect with solid SSGD experience. We are looking to hire someone that can help in the pre-sales process with Sun and also Architect, Design and Implement the product for Sun clients. If anyone out there knows anyone that might be interested please let me know. This position is full-time.
Thanks!
Pedro
[email protected]

質問したばかりで申し訳ありません。
win update とjava 等のアップデートを完了させると、表示されたようです。
大変お騒がせいたしました。

Logical Database design and physical database implementation

Hi
I am an ORACLE DBA basically and we started a proactive server dashboard portal ,which basically reports all aspects of our infrastructure (Dev,QA and Prod,performance,capacity,number of servers,No of CPU,decomissioned date,OS level,Database patch level) etc..
This has to be done entirely by our DBA team as this is not externally funded project.Now i was asked to do " Logical Database design and physical Database
implementation"
Even though i know roughly what's that mean(like designing whole set of tables in star schema format) ,i have never done this before.
In my mind i have a rough set of tables that can be used but again i think there is lot of engineering involved in this area to make sure that we do it properly.
I am wondering you guys might be having some recommendations for me in the sense where to start?are there any documents online , are there any book on this topic?Are there any documents which explain this phenomena with examples ?
Also exactly what is the difference between logical database design vs physical database implementation
Thanks and Regards

Logical database design is the process of taking a business or conceptual data model (often described in the form of an Entity-Relationship Diagram) and transforming that into a logical representation of that model using the specific semantics of the database management system. In the case of an RDBMS such as Oracle, this representation would be in the form of definitions of relational tables, primary, unique and foreign key constraints and the appropriate column data types supported by the RDBMS.
Physical database implementation is the process of taking the logical database design and translating that into the actual DDL statements supported by the target RDBMS that will create the database objects in a target RDBMS database. This will generally include specific physical implementation details such as the specification of tablespaces, use of specialised indexing (bitmap, clustered etc), partitioning, compression and anything else that relates to how data will actually be physically stored inside the database.
It sounds like you already have a physical implementation? If so, you can reverse engineer this implementation into a design tool such as SQL Developer Data Modeller. This will create a logical design by examining the contents of the Oracle data dictionary. Even if you don't have an existing database, Data Modeller is a good tool to use as a starting point for logical and even conceptual/business models.
If you want to read anything about logical design, "An Introduction to Database Systems" by Date is always a good starting point. "Database Systems - A Practical Approach to Design, Implementation and Management" by Connolly & Begg is also an excellent reference.

Firewall/Switching/VLAN Design and Security considerations

Hi,
Consider the following:
/SW3---|
External--S1--FW---/ |Subnet 1
| \ \ |
| \__\SW4---|
| /\
| / /SW5--|
External--S2--FW-/ |Subnet 2
\ |
\SW6--|
Requirements:
Router/Switch/Firewall/NIC resiliency. We can pretty much cover this with HSRP/redundant links(STP)/HA between firewalls/ and (HP) NIC Teaming.
Question:
Is it unreasonable to have SW3-SW6 physically on the one switch due to lack of available ports?
I take it this wouldn't be the securtiy purists choice of implementation?
If it is reasonable/doable, what are the features on IOS on switches eg. 2950's to implement this?
Any help appreciated.
Thanks
Mark

You can configure network security by using ACLs by either using the Cluster Management Suite (CMS) or through the command-line interface (CLI). You can also use the security wizard to filter inbound traffic on the Catalyst 2950 switches. Filtering can be based on network addresses or TCP/UDP applications. You can choose whether to drop or forward packets that meet the filtering criteria. To use this wizard, you must know how the network is designed and how interfaces are used on the filtering device. For more information refer to following url:
http://www.cisco.com/en/US/products/hw/switches/ps628/products_configuration_guide_chapter09186a008007e8ed.html#36127

Filter Design Problems - Labview 8.2

I am trying to designe a filter to replicate the frequency weighting curves in ISO-2631-4.
These curves are specified (in third octace steps) between 0.1 and 400 hz
I have based my design on the "DFD least Pth Norm Design.vi"
I have created the band specification array but in my vi I do not appear to be getting anthing out of the "DFD Get Freq responce.vi"
Any thoughts
I quite new to filter design, Am I using the right technique? If not how should I be implementing this filter?
Attached is my vi
Thanks
Attachments:
RQ Filter.vi ‏40 KB

dehmann wrote:
Wow, thank you for the diagram tbob. The program outputs correctly. I've been searching for help for almost 3 weeks now. I have a few remaining questions. 1) Why did you choose to use shift registers instead of indexing nodes? 2) What exactly is writing the data inside the loop? 3) How do I make the program write every 100 ms instead of once every cycle? 4) Do you have any other tips for programming? Thank you so much for your help.
1) You are using a For Loop which can run 0 times if the input to N is 0. With regular terminals, if this happens, the output terminals will be at default value and you will get an error on your Close function after the loop, and the file will not close. Causes memory problems. Also if there was an error before the loop, the default error (no error) will occur after the loop and you lose your error. With shift registers, the values going in (error and file reference) will be carried to the output if the loop does not execute and the file will close normally and the errors will be reported. This was a suggestions given to me by NI in one of their training classes.
2) The Format Into File function will format the data according to the input format string and then write the formated string to a file.
3) Make the cycle 100ms and then write once every cycle. This is the easiest way to do it. Make the delay 100ms to do this. You gather data every loop cycle so just write once every cycle. Why would you want to write the same data more than once?
- tbob
Inventor of the WORM Global

Vocabulary for web design and beyond

Anyone tackling web design will encounter dozens of unfamiliar terms. I have compiled together this glossary to help them. I may update and expand in the future. Until then, feel free to use or pass along.
Some of these terms don’t relate strictly to web design, but also to computer graphics and computer programming generally, as I’ve found that such terms are also important to reading and understanding any tutorials or other materials on web design.
Asynchronous (1) General use. Not synchronous; not occurring or existing at the same time or having the same period or phase. (2) Digital communication. Pertaining to a transmission technique that does not require a common clock between the communicating devices; timing signals are instead derived from special characters in the data stream.
Bitmap image Image that uses geometrical primitives such as points, lines, curves, and shapes, which are all based on mathematical equations. In a bitmap image, each pixel on a display screen is assigned at least one bit to indicate whether the pixel should reflect the background color, the foreground color, or some other color. each pixel in the bitmap might have 16, 24, or 48 bits of information associated with it. The more bits, the greater the resolution of the bitmap – and the larger the file. Compare Vector image.
C (programming language) General-purpose computer programming language developed in 1972 by Dennis Ritchie at the Bell Telephone Laboratories for use with the Unix operating system. It was designed for implementing system software and is also widely used for developing portable application software. C has greatly influenced many other popular programming languages, most notably C++, which began as an extension to C.
C++ Statically typed, free-form, multi-paradigm, compiled, general-purpose programming language. It was developed by Bjarne Stroustrup starting in 1979 at Bell Labs as an enhancement to the C language and originally named C with Classes. It was renamed C++ in 1983.
Cache Component that transparently stores data so that future requests for that data can be served faster. The data that is stored within a cache might be values that have been computed earlier or duplicates of original values that are stored elsewhere. If requested data is contained in the cache (cache hit), this request can be served by simply reading the cache, which is comparatively faster. Otherwise (cache miss), the data has to be recomputed or fetched from its original storage location, which is comparatively slower.
Cascading Style Sheet (CSS) Style sheet language used to describe the presentation semantics (the look and formatting) of a document written in a markup language. Its most common application is to style web pages written in HTML and XHTML, but the language can also be applied to any kind of XML document, including SVG and XUL.
ColdFusion Programming language based on standard HTML that is used to write dynamic webpages. It allows for the creation of pages that differ depending on user input, database lookups, time of day, or other criteria. ColdFusion pages consist of standard HTML tags together with CFML (ColdFusion Markup Language) tags such as <CFQUERY>, <CFIF> and <CFLOOP>. ColdFusion was introduced by Allaire in 1996, acquired by Macromedia in a merger in April 2001, and acquired by Adobe in December 2005.
Compound selector Can be used to combine two or more style rules to create a style definition that displays only when one style is contained within another. Compound styles are useful when you want to do something like use the Heading 1 tag multiple times to format headlines in different ways on the same web page. For example, you could create one style for headlines that appear in the main story area of a page and then create another style for headlines that appear in the sidebar on the page and still use the Heading 1 tag to format both. Compound styles are created by combining ID, class, or tag styles and look like this: #sidebar h1.
Contextual selector A type of Style Sheet Selector that
CRE Loaded Open source online store management and shopping cart system for e-commerce from Chain Reaction eCommerce. It is based on osCommerce, runs on any LAMP (Linux, Apache, MySQL, PHP) web server, and is supported by an active international community of users and developers. For a monthly subscription ($10/mo. as of 2011), CRE Loaded allows small and medium-sized merchants to accept credit card payments in a web site that mirrors their own online stores.
CSS See Cascading Style Sheet.
Dynamic HTML (DHTML) Umbrella term for a collection of technologies used together to create interactive and animated web sites by using a combination of a static markup language (such as HTML), a client-side scripting language (such as JavaScript), a presentation definition language (such as CSS), and the Document Object Model. DHTML allows scripting languages to change variables in a web page's definition language, which in turn affects the look and function of otherwise “static” HTML page content, after the page has been fully loaded and during the viewing process.
ECMA International International membership-based non-profit standards organization for information and communication systems.
ECMAScript Scripting language standardized by Ecma International in the ECMA-262 specification and ISO/IEC 16262. The language is widely used for client-side scripting on the web, in the form of several well-known dialects such as JavaScript, JScript, and ActionScript.
Extensible HyperText Markup Language (XHTML) Family of XML markup languages that mirror or extend versions of the widely used HTML, the language in which web pages are written. While HTML (prior to HTML5) was defined as an application of Standard Generalized Markup Language (SGML), a very flexible markup language framework, XHTML is an application of XML, a more restrictive subset of SGML. Because XHTML documents need to be well-formed, they can be parsed using standard XML parsers—unlike HTML, which requires a lenient HTML-specific parser.
Extensible Markup Language Set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards. Its design goals emphasize simplicity, generality, and usability over the Internet. It is a textual data format with strong support via Unicode for the languages of the world. Known by its acronym XML.
HTML See HyperText Markup Language.
Hypermedia Graphics, audio, video, plain text and hyperlinks that intertwine to create a generally non-linear medium of information. This contrasts with the broader term multimedia, which may be used to describe non-interactive linear presentations as well as hypermedia. The World Wide Web is a classic example of hypermedia, whereas a non-interactive cinema presentation is an example of standard multimedia due to the absence of hyperlinks.
Hypertext Text displayed on a computer or other electronic device with references (hyperlinks) to other text that the reader can immediately access, usually by a mouse click or keypress sequence.
Hypertext Markup Language (HTML) Predominant markup language and basic building-block of webpages. It is written in the form of HTML elements consisting of tags, enclosed in angle brackets (like <html>), within the web page content. HTML tags normally come in pairs like <h1> and </h1>. The first tag in a pair is the start tag, the second tag is the end tag (they are also called opening tags and closing tags). Known by its acronym HTML.
Hypertext preprocessor (PHP) Widely used, general-purpose scripting language that was originally designed for web development to produce dynamic web pages. It brings life to websites by communicating with external data sources, such as databases, news feeds, and XML documents. PHP code is embedded into the HTML source document and interpreted by a web server with a PHP processor module, which generates the web page document. PHP 3 was launched in 1998; PHP 4 was released in 2000; and PHP 5 was released in 2005.
Java Programming language released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities. Java applications are typically compiled to bytecode (class file) that can run on any Java Virtual Machine (JVM) regardless of computer architecture. Java is a general-purpose, concurrent, class-based, object-oriented language that is specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere". Java is currently one of the most popular programming languages in use, and is widely used from application software to web applications.[
JavaScript Implementation of the ECMAScript language standard and is typically used to enable programmatic access to computational objects within a host environment. It can be characterized as a prototype-based object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
JPEG Commonly used method of Lossy compression for digital photography that was named after the Joint Photographic Experts Group, which created the standard. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPEG typically achieves 10:1 compression with little perceptible loss in image quality.
Linux Family of Unix-like computer operating systems using the Linux kernel (central OS component). Linux can be installed on a wide variety of computer hardware, ranging from mobile phones, tablet computers and video game consoles, to mainframes and supercomputers. The development of Linux is one of the most prominent examples of free and open source software collaboration; typically all the underlying source code can be used, freely modified, and redistributed, both commercially and non-commercially, by anyone under licenses such as the GNU General Public License.
Lossy compression Data encoding method which discards (loses) some of the data, in order to achieve its goal, with the result that decompressing the data yields content that is different from the original, though similar enough to be useful in some way. Lossy compression is most commonly used to compress multimedia data (audio, video, still images), especially in applications such as streaming media and internet telephony. By contrast, lossless compression is required for text and data files, such as bank records, text articles, etc.
MySQL Relational database management system that runs as a server providing multi-user access to a number of databases. The MySQL development project has made its source code available under the terms of the GNU General Public License, as well as under a variety of proprietary agreements. Acronym for “My Structured Query Language.”
Open source Describes practices in production and development that promote access to the end product's source materials. Before the term open source became widely adopted, developers and producers used a variety of phrases to describe the concept; open source gained hold with the rise of the Internet, and the attendant need for massive retooling of the computing source code.
osCommerce Open source Commerce. It allows store owners to setup, run, and maintain their online stores with minimum effort and with no costs involved. Combines open source solutions to provide a free and open development platform, which includes the PHP web scripting language, the Apache web server, and the MySQL database server. With no restrictions or special requirements, osCommerce can be installed on any PHP3 or PHP4 enabled web server, on any environment that PHP and MySQL supports, which includes Linux, Solaris, BSD, and Microsoft Windows environments.
PHP See Hypertext preprocessor.
Rasterization The process of converting a Vector image into a Bitmap image.
Rasterize See Rasterization.
Shopping cart software Software used in e-commerce to assist people making purchases online. The software allows online shopping customers to accumulate a list of items for purchase. Upon checkout, the software typically calculates a total for the order, including shipping and handling (i.e. postage and packing) charges and the associated taxes.
Style sheet selector One of the two parts of a CSS rule (the other being the properties, or declaration block) that declares which of the markup elements a style applies to. Selectors may apply to all elements of a specific type, or only those elements that match a certain attribute (e.g., how they are placed relative to each other in the markup code, or on how they are nested within the document object model). There are many types of style sheet selectors: element selectors, which select by element name; class selectors, which select by class name; contextual selectors, which select by context based on parent elements (what the element is nested within or what precedes it in the document), etc..
Supercomputer Computer that is at the frontline of current processing capacity, particularly speed of calculation. Supercomputers are typically one-of-a-kind custom designs produced by companies such as Cray, IBM and Hewlett-Packard, who had purchased many of the 1980s companies to gain their experience. Since October 2010, the Tianhe-1A supercomputer, located in China, has been the fastest in the world.
Tag Non-hierarchical keyword or term assigned to a piece of information (such as an Internet bookmark, digital image, or computer file). This kind of metadata helps describe an item and allows it to be found again by browsing or searching. Tags are generally chosen informally and personally by the item's creator or by its viewer, depending on the system. HTML tags include paragraph, heading 1, heading 2, etc.
Unix Computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs. The Unix operating system was first developed in assembly, which is machine-dependent and a low-level programming language. Ken Thompson created the B language in 1969 and Unix was written in the B language, a high-level programming language. The first Unix system written in C was released in November 1973.
Vector image Image made up of numerous individual, scalable objects. These objects are defined by mathematical equations rather than pixels, so they always render at the highest quality. Objects may consist of lines, curves, and shapes with editable attributes such as color, fill, and outline. Changing the attributes of a vector object does not effect the object itself. Compare Bitmap image.
Vector processor Central processing unit (CPU) that implements an instruction set containing instructions that operate on one-dimensional arrays of data called vectors. This is in contrast to a scalar processor, whose instructions operate on single data items. Also known as array processor.
Web analytics Measurement, collection, analysis and reporting of internet data, including the number of visitors and page views, for understanding and optimizing web usage. It can be used as a tool for measuring website traffic and for business and market research. Web analytics applications can also help companies measure the results of traditional print advertising campaigns. It helps one to estimate how the traffic to the website changed after the launch of a new advertising campaign.
Web design Design of the way that content is delivered to an end-user through the World Wide Web, using a web browser or other web-enabled software.
Web development Refers to the work involved in developing a web site for the Internet (World Wide Web) or an intranet (a private network). This can include Web design, web content development, client liaison, client-side/server-side scripting, web server and network security configuration, and e-commerce development. However, among web professionals, "web development" usually refers to the main non-design aspects of building web sites: writing markup and coding. Web development can range from developing the simplest static single page of plain text to the most complex web-based internet applications, electronic businesses, or social network services.
World Wide Web Consortium Main international standards organization for the World Wide Web. It is made up of member organizations which maintain full-time staff for the purpose of working together in the development of standards for the World Wide Web. Known by its acronym W3C.
XHTML See Extensible HyperText Markup Language.
XML See Extensible Markup Language.
Zend Engine Open source scripting engine (a Virtual Machine) commonly known for the important role it plays in the web automation language PHP.

Thanks for posting this!
I would only mention that your definition is incomplete for this -
Contextual selector A type of Style Sheet Selector that
and that it's most often referred to now as a Descendent selector, not a contextual selector. It's basically the same as the Compound selector that you have already defined....

Production and Implementation

Hello Gurus,
                      I want the details like....In production support what are the our usual works(roles), and what we have to do.
                      If we are getting tickets, in which manner we have to respond for those tickets.
                      What are the exact daily works in a production support project. And what are the exact daily works in a implementation project.
                      What are the t-codes we have to be perfect in support and implementation.
Please help me
Thanks and Regards
Kumar.

Hi,
It may vary in different projects.
I can just give you a couple of general roles.
Migration project
Designing mapping documents in order to check the need of creation in BW.
Developing various objects like Cubes, ODS, Info Sources, InfoObjects etc.
Designing Transfer Rules and update rules including start routines, update routines and Transfer routines as per the requirement.
Scheduling Info Packages to carry out the data loading process. Involved in data loading from SAP R/3 to Source layer ODSs into BW. Loaded data using Data mart, as the Business layer and Report layer ODSs get loaded from source layer ODSs using data mart functionality of BW.
Involve in the backfilling of historical data from present sys to SAP BW .
Developing the Master/Transactional data process chains considering the dependency among the BW objects and automated the triggering and monitoring of the same on daily, weekly and monthly basis.
Transportation of various BW components.
Performing unit testing and data validation of newly developed and enhanced objects in Quality BW system in terms of providing an efficient solution.
Responsible for overseeing the Quality procedures related to the project.
Responsible to deliver (Transport into Prod) the object as per the scheduled deadlines; with accuracy of deliverables by considering the quality norms.
Involving in the Client/Onsite communication for any client side clarifications, for assignment of work, for discussing on project status related issues, etc.
Support project
Data Load Monitoring:
1.Carried out data load on a daily, weekly and monthly basis using Process chains from both SAP Source systems as well as Non-SAP Source systems such as Informatica.
2.Resolving Data load error such as Invalid characters, Time period conversion, Currency conversion, Duplicate records, etc
3.Ensuring the availability of the updated data in the datatarget on time.
4.Spooling out data through Infospoke from SAP BW to systems like Trillium, Ariba (Reporting Tool)
Ticket Resolution:
1.Process chain modification: Working on Optimizing Process chain by creating new process chain considering the load dependencies.
2.Reloading of R/3 data from different clusters Reconciliation issues
3.Enhancements as per Business requirement.
Additional responsibilities:
Preparing design documents from the Business Requirement docs and identified the relevant data targets for satisfying the customer requirements.
Creation of Operational manual: BW Run & Maintain Support.
Process Chain Detail Documentation (Sequencing & Dependency within Local Chains).
Monitoring checklist Document (From Process Chain Perspective)
BW Doc checklist preparation
Table space activity with basis team.
Data load analysis taking into account the CPU utilization.
Applying Support packs and performing ORT.
Most projects have different number of cubes with varying volume of data. You cant generalize this.
hope this helps,
Refer
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/08f1b622-0c01-0010-618c-cb41e12c72be
Roles & Responsibilities for Junior & Senior consultants(Technical)
Thanks,
JituK

How do you Design and Develop?

How do you Design and Develop?
I know this varies based on alot of things such as knowledge, preference, purpose, resources, etc..but I am curious how different (level of expertise) designers actually prefer or implement their websites. I decided to do this post after two different forums discussions regarding 1.Templates and PHP and 2. Backend Development.
1. How do you generally approach a project?--Wireframe, Freehand (as it comes), PSD template, etc.--Do you have a specific 'methodology' or procedure?
2. What are 2-3 of your main resources / sites / applications etc that you use (and for what?)
Specifically: What do you use (and how) to get up a website? (I know again this depends on a variety of things, but in general..) *also if you would like to comment on your expertise or level maybe helpful.
Do you prefer (Pros/ Cons of:) What advice would you give regarding below?
Your own HTML/CSS/Script based site that you mostly (if not completley) built. (More control and original, but harder / tedious for beginner)
HTML Temlplate (tweak the HTML and CSS)--non framework type (Quick and easy, but usually poor quality, outdated?)--but some can servde as good starting point.
Wordpress (And others like Drupal, Joomla) (Somewhat quick and easy access to tweak a quality WP Theme with ability for alot of features--forms, search, databases, etc (otherwise might have trouble with advanced features w/o good working knowledge og PHP and MYSQL, maybe others?)--but kind of a 'workaround' for real HTML design?
Frameworks types like Foundation, Bootstrap, Skeleton
A combination or hybrid of methods? -- or another method I have overlooked?
Thanks very much for any insight you can offer, hopeully this will lead to a vibrant discussion.-

The websites I build are 95% PHP/MySQL. They are heavy on business logic. I sometimes work with designers, SEO "experts" and (rarely) other coders. I almost never work on the content of websites. The clients do that themselves through the CMS I build for them.
I write every line of code myself except for the use of jQuery and a few PHP code classes adapted from others. I can build a complex website in a matter of minutes by reusing the code libraries and patterns I have developed from previous projects.
I don't use a PHP framework because I have developed my own "pseudo-framework" for the particular kinds of sites I build, but I respect the frameworks that are out there. They can teach you excellent coding habits.
In starting the design and logic of a site, the most essential question is: What is the website (or website project) supposed to accomplish? My clients tell me what they want to accomplish, but I usually decide how to get there. This holds for both business logic and design, because design also must serve the business objectives.
My website projects generally take four months to two years to complete. The client usually dedicates one employee to work as a liaison between me and the rest of the company. Because the sites I build are heavy on the business logic, a great deal of time is spent on testing and debugging. I make testing the responsibility of the client so I can't be held liable if, for instance, a terrible accounting mistake is discovered in the code logic.
I like to use Adobe Illustrator for design development because I became an Adobe Illustrator ACE in 2000; however, I can see that Fireworks is probably the better tool. Photoshop is an important secondary tool.
For general site management and code writing I use both Dreamweaver and ZEND Studio; however, I use Dreamweaver less and less.
I now require all my clients to have their websites (and also domain name registrations, since my company is a domain name reseller) hosted on my VPS server. This prevents anyone from stealing code I have worked for years to develop and also establishes a commitment between myself and the client. When you are starting a web development business, you can't demand this kind of commitment from the client. Even a lot of great seasoned developers can't. It depends on your reputation within the specific industry(ies) you service.

CIC filter design and implementation

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