What language is best?

anyone know what languages they use to program online games, such as everquest, ultima online, WOW, and so forth? I eventually want to work for a company that makes online games and didn't know what langauge they use... ie i dont know which language is really good to know. do they use java?

http://www.gamedev.net is another good site to check for game programming.
Most serious games today are written using C++. However, Java and C# are both good alternatives, that offer almost the same level of performance (if used properly) but much greater ease of use. In both cases, if there's something you'd really rather do in C++, there is a way to interact with native code.
However, no matter which language you use, I'd suggest not starting with a massive multiplayer game like Ultima Online. Rather, make some simpler games, learn networking and graphics, and progress gradually towards something that big. Massive multiplayer games are about the hardest games to program, because in addition to real-time graphics and AI/physics simulation, they also require very efficient networking, and synchronization of hundreds of users.

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Well, speaking of best practices, see the [Rules of Engagement|https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/rulesofEngagement]
Step 2 Asking Your Question; Provide Enough Information
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Valerie Debonair wrote:
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Beezy wrote:
> say ...500-5,000, maybe larger. Any ideas?
>
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[email protected]
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Edited by: Dmitry_MSK on Jul 8, 2010 5:22 AM

I'm not sure why you don't just invent a generic data structure (e.g., table name, list of column names and aliases of column names) such as:
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That having been said, WRT to your specific questions:
(1) Finally, from your experience, what is the best way to organize all that stuff?See above
(2) I have heard that smart Java programmer should avoid using the enums by any means. Do you agree?Enums are better than simple constants using int or String or something similar. If there are known, discrete values unlikely to change frequently, I see no issues with an enum. They improve the readability of code, and there are enough syntactic sugar features in the language (switch statements come to mind) to make them appealing.
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As you can see on our website, Oracle did not retire the Java certifications. You can browse through the available certifications and hopefully help to determine your path.
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Have you looked at Apache's XML Beans?
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bamim2:
Dr. Smoke's FAQ Backup and Recovery has excellent advice on developing a backup strategy.
You already have a larger extrnal HDD (Hopefully it is firewire?) The next step is to format and partition the HDD. (see step-by-step below). And thirdly you will need a good cloning utility. Carbon Copy Cloner has already been suggested, and the latest version is excellent. I, personally, prefer SuperDuper for its ease of use and efficiency. Both are great tools and relatively simple to use.
I mentioned the hope that you have a firewire. One of the wonderful benefits of using an external firewire HDD for backing up is that you can make a bootable clone. This gives you an emergency boot drive in case of a problem. It also gives you an external device for running diagnostics and repairs from the extnernal to the computer and vice-versa.
Congratulations on taking the first step toward securing your computer and your data!
Formatting, Partitioning Zeroing a Hard Disk Drive
Warning! This procedure will destroy all data on your Hard Disk Drive. Be sure you have an up-to-date, tested backup of at least your Users folder and any third party applications you do not want to re-install before attempting this procedure.
Boot from the install CD holding down the "C" key.
Select language
Go to the Utilities menu (Tiger) Installer menu (Panther & earlier) and launch Disk Utility.
Option for formatting an External HDD
Connect external HDD to computer
Turn on external HDD
Start up computer and log in
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Select your HDD (manufacturer ID) in left side bar.
Select Partition tab in main panel. (You are about to create a single partition volume.)
Select number of partition in pull-down menu above Volume diagram.
(Note 1: One partition is normally preferable for an internal HDD. External HDDs usually have more than one. See Dr. Smoke’s FAQ Backup and Recovery for tips on partitioning external HDD
Note 2: For more partitions than one, after you have selected the number of partitions you can adjust the size of the partition by selecting the top partition and typing in the size; then move down if more adjustments need to be made..)
Type in name in Name field (usually Macintosh HD)
Select Volume Format as Mac OS Extended (Journaled)
Click Partition button at bottom of panel.
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cornelius

What language would suit someone who hates anything that isn't PHP?

Psst. Yes, this message is long, but so are my requirements. Please take the extra few seconds to read it
First it was QBasic, then QuickBasic, then, of all things, Visual Basic... version 1.0. On Win98. Then XP.
I made a lot of stuff with VB. 500 doesn't give a very good indication of how many things I made with VB 1.0, but I remember having more items than that in my c:\vbwin folder. VB might not look all that great visually, but it had a few things I've not found in any other language/environment, namely simplicity, freedom of use, speed, flexibility, hackability, and speed. Definately speed. It wasn't great on memory usage however - after my projects started creating 80KB binaries, VB would start to get crashy.
But VB had simplicity because it didn't use the 2873598734-options 997341234-properties 897592873562874353469582743-functions mantra of VB 6.0 nor the 9-billion-of-everything mantra of .net. I could whip up an application in that environment within seconds - indeed, I became quite a master at configuring some defaults I liked for forms and adding a hidden button that responded to the ESC key in about 7 seconds. It had freedom of use because... I could do anything with it. I could, because I was just that patient enough, use 234 perfectly aligned pictureboxes to create "the Win95 look" in a program designed to work on Windows 3.1 (yes, VB 1.0 is 16-bit ), and VB had speed because those 234 pictureboxes appeared on my running program's form when I hit F5 faster than I could blink. It had flexibility because I could shove 12MB of BMPs into my EXE and it'd run fine. It had hackability because I could import the Win16 API and work around issues in the language itself to make my applications what I wanted them to be. Did I mention the speed? Well, it was copyrighted in 1991, so was written in the good old days of the 16MHz 486!
However, all that fun was, sadly, from a while ago. Like, 8 months ago or so, probably more.
What marked the end of that period was a conversation on IRC one day: someone gave me a 5-or-so line snippet of code in PHP. It wasn't very complicated, but it showed a clean solution to something I needed to do with web development, which I was just getting into at the time - I can't really remember what the actual issue was, but I do remember that my choices were either to use the code snippet, or go through some looong complex process to complete whatever it was I wanted to do manually.
The code didn't look too scary, so I installed PHP and gave it a whirl. And I've liked, used, and abused PHP for many months following that initial "well maybe this isn't so bad". I don't mind PHP's use of 14 functions or more/less to do the same thing, or the fact that PHP isn't multithreaded. I probably wouldn't take advantage of multithreading in my code for a long time anyway, and PHP does have pcntl_fork() if I want to do two things at once in a controlled way.
However... I'm starting to outgrow PHP, and I'm a bit homesick of VB's visual ease of use as well. I want an environment that lets me drag'n'drop a picturebox onto a form, shove a pile of pictureboxes inside of it, then programmatically manage them all. Yes, that's exactly the kind of thing I'd do with VB 1.0, and what do you know, I created something good from it - a simple but very usable media center-ish user interface complete with animation and it all ran fast on the PC I was using, a Pentium 3 clocked at 450MHz, with only 128MB RAM.
Yes, PHP-GTK, PHP-QT and PHP-TK do exist, and they've all failed on my system at various points: PHP-GTK compiles and works absolutely fine, but breaks PHP-CGI. PHP-QT won't compile on my system, and its compile process is just too hard to tweak so I can't try gcc-3.4 on it. And anything involving PHP-TK that doesn't amount to creating a single, empty, lifeless window titled "PHP/TK" produces warnings or segfaults.
So I'm looking for a programming language that gives me something comparable or equal to what VB 1.0 had - a visual drag'n'drop development environment that didn't visually overwhelm, compilation, and speed, and what PHP has - simplicity, readability, and bindings to/for everything that isn't desktop application development, without the VB syntax format. I'm past VB, and about to surpass PHP.
Possible candidates for a new language are pretty much anything that includes both a compiler and interpreter, looks and feels like PHP, has nothing PHP doesn't have, but offers more power by using more functions, not weird, non-C-like ASCII character soup. So, if you were to take the PHP parsing engine and couple that with a bunch of libraries that adds sane stuff like native window support, the ability to manage boxes and squares in code, and so on. OR anything equivalent. So if something had ability XYZ which I couldn't figure out how to use, but also let me complete goal ABC while *not* using XYZ, it meets my requirements. And if something has just an compiler, you'll have a bit of a hard time convincing me to like it, but if it only has an interpreter, you'll really need to sell it to me, since I'm starting to get the compilation bug again, just like I did 7-8 years ago when I gazed at the wonder that was the EXE and wanted so badly to create my own.
Also, before you list Perl, let me stop you: Perl has too many unreadabilities. "test ? abc : def" is about as far as I'm prepared to go; I far prefer English text over regular expressions, Awk and the like. Also, C is just too much. It is, probably unsurprisingly considering what you've just read, too cool for my artistic brain. I don't want a language that can do everything: I get inspired by difficulty, not being able to do whatever I want. Yes, that's how my brain works, and I need to go with the flow, not against it, so simply because C can do absolutely anything and everything, I can't use it.
I will, however, note that I also like the Bash language, and the way it works, if only it wasn't so slow!
So, to sum up, the best things I've written include a media center user interface in a language that's 17 years old (same age as me! ), a telnet server using PHP (I wrote the RFC-compliant telnet parser myself, from scratch), and lastly a textual taskbar, an IRC client, and some animations using Bash.
I want a language that is readable and doesn't try to extend or expound on its own using syntax but lets me do the thinking my own way, so I have nothing stopping me from using it for what it wasn't used for. Because isn't that what we all do with programming languages anyway?
-dav7

As promised...
A little simple at the moment, but it's the result of a dream... to create The Perfect Language. I just may end up calling it TPL if it works out.
; dav7's view of what The Perfect Language is
; Licensed under the Nonexistant Public License (NPL) - "do w/e you want w/ it, just give me a bit of credit."
; 30-sep-08 - ?-oct-08
; <[email protected]>
; /me invents comment blocks so he doesn't have to keep typing ;s
There. :D
Now, the problem with most common programming languages (I'm looking at you, C) is that they
- are rather unreadable
- are really hard to work with for the unknowledgable
- impose a 32768-second wait on the impatient, ADHD-infused programmer as the code file(s) compile for the
247th time
- involve a lot of typing, some of it needing to be a specific case (CAPS or lowercase)
- requires a lot of input to get something basic functional, and has a very high initial code to output
ratio: at the beginning of a project a high percentage of code is required to get a reasonable amount of
output, and only after there is a fairly decent amount of code present will the code / output ratio
decrease so that only a relatively small amount of code is needed to produce the application-specific
output desired
- is not natively very image-oriented - to display an image in a window without 5GB of libraries, I need to
know Xlib, how to decode PNGs and how to manage double-buffering
So, I want to create a language that
- is both readable AND easy to type. No, I'm not going to do a survey of what word groups are the easiest
for the eye to pick up on, or go anywhere near that extreme; rather, my language will have two "modes".
One is amazingly quick to type, and the other, while relatively minimalistic, actually uses ASCII characters
to denote function, data and flow, and my compiler/interpreter combo will have a converter that will pass
through and convert a code file from one "syntax mode" to the other.
- can be both interpreted or emitted, depending on the situation ("emitted" here means that instead of working on
something that can generate native code for 784598754 platforms myself, I'll just output C-- code or something)
- has bindings for X
- makes it very easy to debug a program
From a result-, goal- or solution-based person like myself, I don't see language design the way most others would.
I don't value a language based on its algorithmic efficiency, I value it based on ease of use. I don't see things
from a procedural perspective, but rather a tokenized object oriented tree of constructs that I must feed to the
computter to achieve the result I want. This language adheres to that principle.
So, let's get started with this new language. As I go along, I explain points of interest / trivia about whatever
I'm referring to.
; The ubiquitous "Hello World". To print something, you encase it with single or double quotes and don't assign
; any meaning to it by telling the language to set the string to a variable or test it against something. A
newline is automatically added at the end of a line of such output produced by quoting.
"Hello world!"
; variable assignment by usage. There's no "true" or "false" here. Everything uses plain, un-expounded (in that 0
won't mean false or 1 true) integers to represent state or status.
x = 1
; if/then - the '? var : abc : def' construct compares 'var', and if 'var' is 1, it executes 'abc', otherwise it
; executes 'def'. This'll print "x = 1!". This construct could be used to do anything - I'd want it to operate
; as much like the C preprocessor as possible.
? x = 1: "x = 1!" : "x = 0!"
; the previous line could also be written as:
? x: "x = 1!" : "x = 0!"
; or even:
"'x' is equal to $x, which would equal"; ? x: "TRUE" : "FALSE"; "in a lot of other programming languages."
; calling a procedure. See the procedure declaration below for more info.
test x
; a loop. Loops start with a '[' and end with a ']'. This language doesn't have any for or while loops - you
; construct those on your own.
[ ;; this demos both nested comment blocks, and the fact that I stole C's add-1 method -> ;; x++
; the ! operator breaks out of a loop. I might change this.
? x > 5: !
; Print the current index, up to 5. Using a $ next to a known variable name in a quoted string will
; print that variable's contents.
"$x"
; Now for a for-esque loop - very similar to the previous example. Note that at the beginning of the block, a
; semicolon isn't required to denote its seperation of the pre- or proceeding code behind and in front of it.
z = 0 [ z++; ? z > 10: !
"$z"
; procedure start. No definition of the function or parameters is required - variables are accessible inside
; the function as 'a', 'b', 'c', etc. When 'z' is reached the next variable is indexed as 'aa', then the next
; as 'ab', etc. Also, functions can be defined after they're called - the parser will have the entire program
; in memory before it executes a single line of it, and the compiler will likewise parse the entire program
; before outputting any C.
test:
; Yes, it looks like I have the quotes wrong, but I don't. This language allows for Bash-style
; variable-string combination ;)
"ohai from teh procedure! You passed "$a"!"
; procedure end. Note that I start with "proc:" and end with ":proc" - this makes it very easy to see
; what function I might be seeing the end of if it's long and I can see any function starts.
:test
; Now for everything demoed here as a one-liner.
"Hello world!"; x = 1; ? x: "x = 1!" : "x = 0!"; "'x' is equal to $x, which would equal"; ? x: "TRUE" : "FALSE"; "in a lot of other programming languages."; test; [ ? x > 5: !; "$x" ] z = 0 [ z++; ? z > 10: !; "$z" ] test: "ohai from teh procedure!" :test
; And now for everything in its slightly more readable form...
"Hello world!"
x = 1
if x = 1 then "x = 1!" else "x = 0!"
if x then "x = 1!" else "x = 0!"
"'x' is equal to $x, which would equal"; if x then "TRUE" else "FALSE"; "in a lot of other programming languages."
test
[ x++
if x is greater than 5 then break
; OR
; if x > 5 then break
"$x"
z = 0 [ z++; if z > 10 then !
"$z"
test:
"ohai from teh procedure!"
:test
; And now for this version as its oneliner:
"Hello world!"; x = 1; if x then "x = 1!" else "x = 0!"; "'x' is equal to $x, which would equal"; ? x: "TRUE" : "FALSE"; "in a lot of other programming languages."; test; [ if x is greather than 5 then break; "$x" ] z = 0 [ z++; if z > 10 then break; "$z" ] test: "ohai from teh procedure!" :test
That's about it.
What do you think?
What language has the closest syntax as mine?
Is this language viable? Could it survive actually being developed?
Please do let me know your opinions/comments/suggestions/flames.
-dav7

What is the best way to organize queue in R/3?

Hi,
I'm in a middle of a project, where I should implement queue in order to sync data between 2 systems - r/3 and legasy one. I have few user exits (or bussiness events), which could be rised concurently in time, and I need only 1 instance of the sync module to run at a time. Well, I know the technique to prevent a program from running in multiple processes, and I have an idea how to organize a queue (my idea is to use transparent table to track actions which should be sync-ed), but there allways are some 'bottlenecks' that should be considered in such an implementation.
That's why it might be of great help if someone could share his/her knowledge on this topic or point me to the right paper/docu, if available.
I just don't want to reinvent the wheel, if possible
Many thanks in advance.
Regards,
Ivaylo Mutafchiev
SAP BC Consultant - ABAP developer
Varna Bussiness Services Ltd.

I'm not sure why you don't just invent a generic data structure (e.g., table name, list of column names and aliases of column names) such as:
class QueryMetaData {
private final String tableName;
private final String[] columnNames;
private final String[] columnAliases;
}Read into the above structure from a properties file, database table, etc. You can store meta-data itself in places other than enum constants, particularly if would like to change the meta-data without requiring a new build of your application.
That having been said, WRT to your specific questions:
(1) Finally, from your experience, what is the best way to organize all that stuff?See above
(2) I have heard that smart Java programmer should avoid using the enums by any means. Do you agree?Enums are better than simple constants using int or String or something similar. If there are known, discrete values unlikely to change frequently, I see no issues with an enum. They improve the readability of code, and there are enough syntactic sugar features in the language (switch statements come to mind) to make them appealing.
(3) Generally what will you prefer when creating a constant which has two values: two final Integers or enum?
See above. Enums were introduced (in large part) to do away with storing constants as integers.
- Saish

What is the best way to connect a MacBook Pro to my HiFi system ?

Hi,
I'm new to Apple support communities having just bought my first Macbook Pro (a 17" 2.5GHz i7 model) and this is my very first community post.
Im a bit of a Hi-Fi enthusiast, so, with my new MacBook Pro I've taken the opportunity of completely reloading my iTunes library in high quality Apple Lossless format. Took a while but now I've completed the task Im pleased I've done it.
My question is, what is the best way to connect a Macbook Pro to a high quality Hi-Fi preamp - my Hi-fi system is musical Fidelity, and the pre amp (an A5 CR Pre amp) and this pre amp, which has superb audio quality, only has analogue phono inputs ?
I'm interested to understand what both the wired and wireless connection options are. I'm guessing one option must be to use the headphone output, but I have no idea if the output from the headphone socket on my new macbook (which is presumably designed to drive headphones) would be at a suitable level for a phono line level input ?
Ive also read a few comments about using digital connection - and my second question would be - what is the audio digital connection on my macbook ?
Aplogies if this question has been asked lots of times before but I've looked through some previous posts and can't find any answers in simple and straightforward language concentrating on the issue of connecting a MacBook Pro to an analogue phono pre amp input ?
Thanks in anticipation of some advice.

What is the best way to connect a MacBook Pro to my HiFi system?
Look at the back of the reciever and see what your connection options are, the front headphone jack is output usually.
The Mac's analog audio in/out ports doubles as a optical in/out ports.
The analog won't over power your amp, it's just a headphonejack, like a powered mic, just enough power to get the signal to the destination in one piece.
Since you have a analog amp, your stuck with inferior analog connections, however you mentioned you wish to listen to the best sound quality of your lossless music.
To do that your going to need a decent surround sound system with Toslink optical import jacks, a Toslink stereo jack to regular Toslink adapter, Toslink cable and enable the optical output in your System Preferences >Sound
Another method is to use a Airport Express, it also has duo analog/opical out port. Then set up the Airport Express for iTunes streaming using the Airport Utility, then in iTunes setup the lower right corner one can set the connection.
I recommned a Harmon Kardon surround sound system, with their 100 watt satelight speakers and the 200 watt subwoofer. Enable the "concert hall" and other neat effects which will turn your 2.0 (stereo) iTunes music into 4 channel speaker sound filling the room with music and sending the lower channels to the subwoofer.
It will likely bring tears to your eyes that you can actually hear the full quality of your music as intended, I almost quarranty you will never want listen to music on a crappy iPhone or iPod again.
If a surround sound system is out of your budget, you can get by using the Harmon Kardon "Go Play" portable stereo and a analog stereo cable.
If your going to use your analog amp to power reference speakers, then there are various analog adapters of all sorts to make the appropriate connections once you know what they are, check out Radio Shack online for them.

What is the best way to learn SAP-ABAP

What is the best way to learn ABAP??
Stick to SAP press books and understand and learn theroitically
'or'
Move to ABAP programming and experiment all the things you have learn.
If both want to go hand in hand and if we want to do more practise, where can i find a source of abap programming questions (like codechef for java,c,c++..). Bcoz understanding new concepts require practise and to creating programs to practise is a really difficult.
Thnak you
Md Omar saleem

Hi,
Do the SAP course (BC400 - 5 days - it is a great course) and then practice practice practice.
The language itself is not difficult, but finding your way around the SAP system can be challenging.
Try to do real-life examples.
good luck!
Paul

What language is best?

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