Code snippets
To all the programmers out there, where do you keep your code snippets?
I have a simple snippet directory, which is a git-repository, in my home-directory. This directory contains subdirectories for a few programming languages I'm using (e.g. ruby, python, c, c++, ...) in which the snippets are stored. I'm using only a single PC for development, so I have no real synchronization issues. But otherwise you might consider storing your snippets on GitHub or another Git-server with which you can easily synchronize the snippets.
But frankly I don't use this kind of "static" snippets very often. I'm using TextMate-like snippets very often these days, with which you can type e.g. for<Tab> and the expression will be expanded to a for-loop. For Vim I'm used to use snippetsEmu very often. It's a really great plugin and if you're using Vim you should give it a try. At the moment I'm using snip-fu, which is an experimental Vim plugin I've written, which is similar to snippetsEmu. But there is no official release yet, so you might be better off using snippetsEmu .
If you aren't using Vim but Gedit or SciTe, you can use a plugin as well to enable snippet support.
Similar Messages
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Working code snippet for JSSE 1.0.2
This code works only with JSSE 1.0.2. JSSE 1.0.1 has a bug I believe which give null cert chain
error when using client authorization.
Below is a java code snippet to create a SSL server and client sockets.
SocketsFactory.java
This class is an utility class which gets you the Secure Socket for server and the client.
It reads from the properties file.
public class SocketsFactory{
/** Creates a SSL client socket. It uses the properties obtained from the
* sslPropsFile to create the client socket.
* @param sslPropsFile The ssl properties file that contains information about the provider etc.
* @param host The host to connect to.
* @param port The port on which this socket should attempt to connect
* @throws IOException if there was any exceptions in creating the sockets or if the properties file
* was not found or corrupted.
* @return returns the socket that was created.
public static Socket createSecureSocket(final String sslPropsFile, String host,int port)throws IOException{
Properties props = readPropertiesFile(sslPropsFile);
SSLSocketFactory factory = null;
System.setProperty("javax.net.ssl.trustStore",(String)props.get("com.ibm.idmg.ssl.keyStore"));
//Getting a secure client socket using sun..
try {
addProvider(props);
// Set up a key manager for client authentication
// if asked by the server. Use the implementation's
// default TrustStore and secureRandom routines.
SSLContext ctx = getSSLContext(props);
factory = ctx.getSocketFactory();
catch (Exception e) {
e.printStackTrace();
throw new IOException(e.getMessage());
SSLSocket client =(SSLSocket)factory.createSocket(host, port);
client.startHandshake();
return client;
/** Creates a SSL server socket based on sun's implementation using JSSE. Uses the
* sslPropsFile to get the keystore used for validating certificates and their
* passwords.
* @param sslPropsFile The properties file containing SSL provider, key passwords etc.,
* @param port The port to which this socket should listen at.
* @throws IOException If the properties file was not found or it was corrupted or if there was any
* other errors while socket creation.
* @return the serversocket object.
public static ServerSocket createSecureServerSocket(final String sslPropsFile,int port) throws IOException{
Properties props = readPropertiesFile(sslPropsFile);
String trustStore = (String)props.get("com.ibm.idmg.ssl.keyStore");
System.setProperty("javax.net.ssl.trustStore",trustStore);
// Getting a sun secure server socket
SSLServerSocketFactory ssf = null;
try {
addProvider(props);
// set up key manager to do server authentication
SSLContext ctx = getSSLContext(props);
ssf = ctx.getServerSocketFactory();
} catch (Exception e) {
e.printStackTrace();
throw new IOException(e.getMessage());
SSLServerSocket socket = (SSLServerSocket)ssf.createServerSocket(port);
socket.setNeedClientAuth(true);
return socket;
* Internally used function to read a provider from the properties and
* add it as the current ssl provider. The properties should have the
* property <i>com.ibm.idmg.ssl.sslProvider</i> defined. Otherwise
* throws NullPointerException.
private static void addProvider(Properties props) throws Exception{
String provider = (String)props.get("com.ibm.idmg.ssl.sslProvider");
if (provider == null)
throw new NullPointerException("com.ibm.idmg.ssl.sslProvider is not specified!");
java.security.Security.addProvider((java.security.Provider)Class.forName(provider).newInstance());
* Internally used function to read a file and return it as java properties.
* It uses java.util.Properties. Throws FileNotFoundException if the file
* was not found. Otherwise returns the properties.
private static Properties readPropertiesFile(final String file) throws IOException{
if (file == null)
throw new IOException("SSL Context File name not specified!");
FileInputStream in = new FileInputStream(file);
Properties properties = new Properties();
properties.load(in);
in.close();
in = null;
return properties;
* Internal function used to retrieve a SSLContext object. It is used primarily
* for creating SSL sockets that can authenticate each other based on the
* keystores specified using the properties.
private static SSLContext getSSLContext(Properties props) throws Exception{
SSLContext ctx;
KeyManagerFactory kmf;
KeyStore ks;
String password = (String)props.get("com.ibm.idmg.ssl.keyStorePassword");
if (password == null)
password = System.getProperty("javax.net.ssl.keyStorePassword");
char[] passphrase = password.toCharArray();
ctx = SSLContext.getInstance("TLS");
kmf = KeyManagerFactory.getInstance("SunX509");
ks = KeyStore.getInstance("JKS");
String keyStoreFile = (String)props.get("com.ibm.idmg.ssl.keyStore");
if (keyStoreFile == null)
keyStoreFile = System.getProperty("javax.net.ssl.keyStore");
FileInputStream in = new FileInputStream(keyStoreFile);
ks.load(in, passphrase);
in.close();
in = null;
// All keys in the KeyStore must be protected by the same password.
String keyPassword = (String)props.get("com.ibm.idmg.ssl.keyPassword");
if (keyPassword != null)
passphrase = keyPassword.toCharArray();
kmf.init(ks, passphrase);
ctx.init(kmf.getKeyManagers(), null, null);
return ctx;
The Server properties file looks like this.
# Specify the SSL provider here.
# Using sun's reference implementation for testing..
com.ibm.idmg.ssl.sslProvider=com.sun.net.ssl.internal.ssl.Provider
# Specify the keystore file that this ssl socket should use
com.ibm.idmg.ssl.keyStore=server.ks
# Specify the password for this keystore file
com.ibm.idmg.ssl.keyStorePassword=servercanpass
# Specify the password used to protect the keys in the keystore
# Note: all the keys should have the same password
com.ibm.idmg.ssl.keyPassword=icanpass
The client properties file
# Specify the SSL provider here.
# Using sun's reference implementation for testing..
com.ibm.idmg.ssl.sslProvider=com.sun.net.ssl.internal.ssl.Provider
# Specify the keystore file that this ssl socket should use
com.ibm.idmg.ssl.keyStore=client.ks
# Specify the password for this keystore file
com.ibm.idmg.ssl.keyStorePassword=clientshouldpass
# Specify the password used to protect the keys in the keystore
# Note: all the keys should have the same password
com.ibm.idmg.ssl.keyPassword=canipass
Now to create the certificates..
Its a 5 step process
1) Create the keystore file.
keytool -genkey -alias mohan -dname "CN=Mohan Tera OU=IS O=IM L=sanjose S=NY C=US" -keystore server.ks -storepass servercanpass -validity 180 -keypass icanpass
2) Create a self signed certificate. If you need to get it signed from
verisign then you have to create a certificate request. For testing purposes,
you can create a self signed certificate.
keytool -selfcert -alias mohan -dname "CN=Mohan Tera OU=IS O=IM L=sanjose S=NY C=US" -keystore server.ks -storepass servercanpass -validity 180 -keypass icanpass
3) Export the public key from the keystore to a certificate file that is to be imported to the client keystore.
keytool -export -alias mohan -file fromserver.cer -keystore server.ks -storepass servercanpass
4) Repeat the above steps for the client also..
a)
keytool -genkey -alias moks -dname "CN=Jennifer Poda OU=Javasoft O=Sun L=Edison S=NJ C=US" -keystore client.ks -storepass clientshouldpass -validity 180 -keypass canipass
b)
keytool -selfcert -alias moks -dname "CN=Jennifer Poda OU=Javasoft O=Sun L=Edison S=NJ C=US" -keystore client.ks -storepass clientshouldpass -validity 180 -keypass canipass
c)
keytool -export -alias moks -file fromclient.cer -keystore client.ks -storepass clientshouldpass
5) Import the certificates that were exported in steps 3 and 4c in client and server keystore respectively.
keytool -import -trustcacerts -alias new -file fromserver.cer -keypass keypass -storepass clientshouldpass -keystore client.ks
keytool -import -trustcacerts -alias new -file fromclient.cer -keypass keypass -storepass servercanpass -keystore server.ks
And voila you are all set to go..
Hope this explains to all the people who are struggling with JSSE..
Regards,
Mokswhen i using your method in my code i get the following exception
pl. help me.
java.security.UnrecoverableKeyException: Cannot recover key
at sun.security.provider.KeyProtector.recover(KeyProtector.java:301)
at sun.security.provider.JavaKeyStore.engineGetKey(JavaKeyStore.java:103
at java.security.KeyStore.getKey(KeyStore.java:289)
at com.sun.net.ssl.internal.ssl.X509KeyManagerImpl.<init>(DashoA6275)
at com.sun.net.ssl.internal.ssl.KeyManagerFactoryImpl.engineInit(DashoA6
275)
at javax.net.ssl.KeyManagerFactory.init(DashoA6275)
at ClassFileServer.getServerSocketFactory(ClassFileServer.java:145)
at ClassFileServer.main(ClassFileServer.java:115)
Exception in thread "main" java.lang.NullPointerException
at ClassFileServer.main(ClassFileServer.java:117) -
How do I create a drop down menu with Code Snippets and Flash CS5?
Hi
I am wondering how to create a drop down menu using the Code Snippets and CS5?
There are some older tutorials out there and it would be nice if someone could create an updated drop down menu tutorial, and it might be me doing this after I have figured out the best and easiest way to create one, but before that I need some pointers.
Thanks!
Have a great day!
Paal JoachimYou can use panel widget to create manual menu where set to show target on rollover.
Something like this :
http://muse.adobe.com/exchange-library/menu-vertical-accordion-widget-1
http://muse.adobe.com/exchange-library/tiptop-navigation-menu
Thanks,
Sanjit -
Audio captcha is not working in mac safari 5.1.7.
We used a code snippet that is working in other browser like IF 7,8,9, crome and firefox.
Audio refresh is also not happening.
When submit Audio Captcha then jcapcha framework giving InvocationTargetException.
<Edited By Host>Audio captcha is not working in mac safari 5.1.7.
We used a code snippet that is working in other browser like IF 7,8,9, crome and firefox.
Audio refresh is also not happening.
When submit Audio Captcha then jcapcha framework giving InvocationTargetException.
<Edited By Host> -
Is there a way to remove a code snippet from the library of my snippets in Edge Animate CC2014?
Is there a way to remove a code snippet from the library of my snippets in Edge Animate CC2014?
When you click on "My Snippets", it will list down all saved user snippets, which you can right-click and click on "delete" to delete it.
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OLE2 Doc/Code snippet to assist in creating a word doc with underlined text
I would like to use OLE2 to create a simple Word document. I would like some of the text to be bold/underlined and the rest of the text to be regular. There seems to be a serious dearth of information regarding OLE2 in conjunction with PS/SQL in Word applications. We're running Forms 6 and Oracle 9i.
I don't believe that I need to use the techniques described in the Forms Manual (OLE2 containers, etc.). I have managed to create a Word doc and write some text to it but I've been unable to find out/guess at the syntax that I'd need to control bolding and underlining. It would be a big help if I could just find the syntax for Word OLE2 commands. During my documentation search, I seem to remember a post that mentioned 'Reference 2' and maybe 'Reference 3' as a source of information related to OLE2 in PL/SQL code. If anyone can give me a shove in the right direction I'm more than willing to read the manuals. I won't be too disappointed if someone could send me a code snippet either!
Thanks,
Ron WalkerHi Ron,
Office ships with a number of resources that you will find indispensable for the sort of work you're doing. Take a look at the VBA IDE (Visual Basic for Applications IDE). You may already be familiar with it, if you've ever written a Word macro, but to call it a macro editor sells it short -- it is a full-blown development environment. Its Object Browser allows you to browse Word's object model, search by keyword, and view call syntax.
In case you aren't familiar with the VBA IDE, try this:
1. Open Word
2. Switch between Word and the VBA IDE by pressing <Alt><F11>
3. Open the Object Browser by pressing <F2>
Spend some time familiarizing yourself with the Object Browser. Constrain its scope by selecting the Word library instead of <All Libraries> (the default). Learn to search by keyword. Click on items within your results for details. If Visual Basic Help is installed, pressing <F1> will raise help on a selected item.
Visual Basic Help may not be part of the Compact or Typical install. Running Office Setup, either from the install CD, or through Add/Remove Programs under Control Panel, will allow you to add the feature. (The Office installer lists Visual Basic Help in the Office Tools section.)
I have found the VBA IDE to be the perfect place for prototyping and testing automated processes. It is a far friendlier environment for learning Office automation, as it offers code completion and context-driven help. Once the process works, I manually translate my VBA routine into Forms PL/SQL, which is fairly painless. I've written a short tutorial, that I will post shortly -- I didn't want to bury it in this thread!
Hope this helps,
Eric Adamson
Lansing, Michigan -
EDGE ANIMATE CC (2014) : Missing Code Snippets sidebar - WHY!?!?!
I just updated today, and now a project I had been working on for weeks (my first real project) won't open in CC anymore. The only reason I wanted to open it back up in CC - NOT Adobe Edge Animate CC (2014), was because this updated Edge Animate IS MISSING THE CODE SNIPPET SIDEBAR!! WHY!! WHY!! WHY!! It's a little hard to follow along with tutorials you have been using when they insert snippets from the sidebar and suddenly you don't have one anymore!
I have rebuilt permissions and restarted hoping that would fix the issue but it has not. If I can't get this project to pen in CC, can someone tell me how to trick CC into opening it again? Byt he Way -- the old version of Edge Animate was AUTOMATICALLY UNINSTALLED with this update. Also very frustrating!! I had to go to my could menu and download CC (3.0) again.OK - Possibly Good News... I talked to Adobe Tech Support. I am able to download a previous version of the Edge Animate CC by choosing PREVIOUS VERSION under the FIND NEW APPS section of the Creative Cloud Desktop app. This is a new feature of CC. Thankfully. I can install CC and then do as hemanth kumar r suggested and edit the _edge.js file to allow 3.0 to open the file.
Thanks for all of the help. Sorry for the frustration in MY TYPING . I'll reply if that all works. -
I cannot get the code snippets to show. What am I missing here?
Hi there,
Code snippets have changed for Edge Animate CC 2014: they are categorized by type, and allow you to choose which elements are being targeted. Please refer to the attached screenshot:
hth,
Joe -
Converting Frame files to PDF adds carriage return in code snippets
Our writing group is using FrameMaker 7.2 with Acrobat 9. The documentation we write includes code snippets. Conversion from Frame to PDF adds a carriage return to the end of any line of code. This causes any snippet containing a wrapped line to be incorrect if it is copied and pasted directly from the PDF. Does anyone knopw if there's a fix for this?
Thanks,
GeorgeDear Alexander,
Thanks for the reply.
In this I am using the FM 'CONVERT_ABAPSPOOLJOB_2_PDF'. I have checked the settings from SPAD that is also same in both servers for particular output device. But the patches are diffrennt in both the servers, the server from which layout is not coming properly having the high level patches in compare to the other server(which is working fine). -
I am trying to save a custom code snippet in Flash CC and it does not save, any ideas why?
I am trying to save a custom code snippet in Flash CC and it does not save, any ideas why? I am using Windows 8.1 with Flash CC.
I even when into the "Edit Code Snippet XML" and added a Custom folder and a custom template. Then I went back to add the code snippet again and it still did not work.
About line 32, I added:
<category title="Custom"
isBranch="true" expanded="false"
description="Code for common interactions">
<snippet isBranch="false">
<title>Custom Snippet</title>
<description>This is an example of a custom code snippet.</description>
<requiresSymbol>true</requiresSymbol>
<code><![CDATA[
// Code goes here
trace("A custom code snippet");
]]></code>
</snippet>
</category>
Any assistance would be greatly appreciated.UserAgent for the OP is - Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.3) Gecko/20100405 Namoroka/3.6.3 - he might be running a 64-bit 3rd party build.
-
Jdev10.1.3 - is there a suppotr for parametrized code snippets?
Hi,
I am looking to add parameters to the code snippet (simple name value pairs and iterators)
I need to be able to prompt the user to enter these parameters when designing the page (inserting the code snippet results in an editor that prompts for the parameters)
Is such a feature available or planned?
thanks
VijayHi,
depends on what kind of code snippet you need. JDeveloper supports code templates that can have variables in them that are filled in by the developer when adding it with <abbreviation>ctrlenter
See tools --> Preferences --> Code Editor -> Code Templates
If e.g. you create a code template "about" and add the following snippet
* File: $file$
* Date created: $date$
* Author: $author$
then all variables surrounded by $..$ are highlighted (you can have JDeveloper to add default values as well
Frank -
No way to add code snippets to the palette in 11g
Hello,
According to the Help Center, I should be able to add "codes snippets" to my palette, like I used in 10g...
Adding a Code Snippet to the Palette
You can add pages to the Component Palette to group your snippets, or you can add snippets to the existing Code Snippets page. Once you add snippets to the Palette, you can insert this code into any file you have open in the source editor by selecting the snippet from the Palette
within the Configure Component Palette dialog. In the Configure Component Palette dialog, for Page Type select snippet to view only those pages containing snippets.
Well , in the Page Type drop list , I only see "java" and "use case" ?
I am running J2EE Edition Version 11.1.1.0.1 Build JDEVADF_MAIN.BOXER_GENERIC_081203.1854.5188
Any thoughts ?
CheersIf all you want is code snippet why not use the code template feature?
It is more dynamic and will allow you to use variables that you can switch - then you can just use the keyboard to get the value.
See:
http://www.oracle.com/technology/obe/obe11jdev/11/ide/introjdevide.htm#t4s1
http://adfjsf.blogspot.com/2009/09/creating-code-templates-in-jdeveloper.html -
Please check the Code snippet and detail the difference
Please go through the two code snippets given below...
Can some one please let me know if using generics is a better way to denote the signature and if yes, why is it so?
Thank you
Two classes:
class SimpleStr {
String name = "SimpleStr";
public SimpleStr(String name) {
this.name = name;
public String getName() {
return this.name;
public String toString() {
return getName();
class MySimpleStr extends SimpleStr {
String name = "MySimpleStr";
public MySimpleStr(String name) {
super(name);
this.name = name;
public String getName() {
return this.name;
public String toString() {
return getName();
Code Snippet 1:
class AnotherSimpleStr {
public <S extends SimpleStr>S getInfo() {
return (S)new MySimpleStr("val3");
Code Snippet 2:
class AnotherSimpleStr {
public SimpleStr getInfo() {
return new MySimpleStr("val3");
}Also, please see the code below, the getInfo() method is not taking care of Type safety right??!!!!
class AnotherSimpleStr {
public <S extends SimpleStr>S getInfo() {
return (S)new Object();
public <S extends SimpleStr>S getInfoAgain(Class<S> cls) {
return (S)new MySimpleStr("Val");
} -
Request for C++ ExtractorProcessor code snippets
Hi,
Does anyone have any C++ code snippets of using the ExtractorProcessor?
I'm trying to implement an ExtractorProcessor in C++ - I have created a ValueExtractor and I can create the ExtractorProcessor from that, but the compiler gives me an error when I try to invoke it
Error 6 error C2665: 'coherence::lang::TypedHandle<T>::TypedHandle' : none of the 4 overloads could convert all the argument types c:\dcs_systems\test\trunk\ThirdParty\Components\coherence_3_7_1_x86\include\coherence\lang\TypedHolder.hpp 205 D3ContextCache
This is my call
int CacheD3ContextRepository::getD3ContextState(int call_id) const
Integer32::View vKey = Integer32::create(call_id);
ValueExtractor::View vStateExtractor =
COH_MANAGED_BOX_EXTRACTOR(Integer32::View, CacheD3Context, getState);
ExtractorProcessor::Handle vStateFetcher = ExtractorProcessor::create(vStateExtractor);
Integer32::View vState;// = _cache->invoke(vKey, vStateFetcher);
return *vState;
Essentially I have CacheD3Context object but I don't want to read back the whole object just the state field.
I have been told that something called a 'ReducerAggregator' is a better way of doing this but I haven't been able to find this yet.
Thanks
Joe
Edited by: 841803 on 09-Apr-2013 00:55Hi Joe,
The invoke method returns an Object::Holder, which will need to be cast to the extracted type:
int CacheD3ContextRepository::getD3ContextState(int call_id) const
Integer32::View vKey = Integer32::create(call_id);
ValueExtractor::View vStateExtractor = COH_MANAGED_BOX_EXTRACTOR(Integer32::View, CacheD3Context, getState);
ExtractorProcessor::Handle vStateFetcher = ExtractorProcessor::create(vStateExtractor);
Integer32::View vState = cast<Integer32::View>(_cache->invoke(vKey, vStateFetcher));
return *vState;
}Note that when the extraction will be performed server side, the above extractor will be evaluated as a ReflectionExtractor in java, and will invoke the java getState method. This implies you'll need the CacheD3Context (or equivalent) java class in the classpath of your cache servers. If this is not an option then have a look at PofExtractor.
thanks,
Mark
Oracle Coherence -
Code snippet -- "Send to Back"?
Hello,
I've modified the code snippet "Bring Object to the Front" to bring a given stage symbol to the front on mouse over. My question is, what code do I add to make the symbol go to the back on mouse out? My code is below -- exact same as the code snippet in CS5, but with MOUSE_OVER in place of CLICK. Many thanks!
// This code makes all symbol instances on stage clickable by making them listen for the CLICK event.
for (var fl_ChildIndex:int = 0;
fl_ChildIndex < this.numChildren;
fl_ChildIndex++)
this.getChildAt(fl_ChildIndex).addEventListener(MouseEvent.MOUSE_OVER, fl_OverToBringToFront);
// This is the function that moves the over object to the front of the display list
function fl_OverToBringToFront(event:MouseEvent):void
this.addChild(event.currentTarget as DisplayObject);Thanks -- it's getting there but the behavior is weird and I'm getting an error message "TypeError: Error #1009: Cannot access a property or method of a null object reference.at transitshell_fla::lvbutton_5/fl_FadeSymbolIn()"
My code looks like this:
// This code makes all symbol instances on stage clickable by making them listen for the CLICK event.
for (var fl_ChildIndex:int = 0;
fl_ChildIndex < this.numChildren;
fl_ChildIndex++)
this.getChildAt(fl_ChildIndex).addEventListener(MouseEvent.MOUSE_OVER, fl_OverToBringToFront);
this.getChildAt(fl_ChildIndex).addEventListener(MouseEvent.MOUSE_OUT, fl_OverToSendToBack);
// This is the function that moves the over object to the front of the display list
function fl_OverToBringToFront(event:MouseEvent):void
this.addChild(event.currentTarget as DisplayObject);
function fl_OverToSendToBack(event:MouseEvent):void
this.addChildAt(event.currentTarget as DisplayObject, 0);
Thanks for your help! -
Play code snippet isn't working??
I am using the following code snippet:
but this error occurs Line 6 1061: Call to a possibly undefined method play through a reference with static type flash.media:Video.
img1.addEventListener(MouseEvent.CLICK, fl_ClickToPlayVideo);
function fl_ClickToPlayVideo(event:MouseEvent):void
video_1.play(); //the error is referring to this line here
Would i have to add something there?if designer is the movieclip that you want to play, use:
designer.play();
instead of
video_1.play();
Maybe you are looking for
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After buying some new songs on i-tunes I then synched with my i-phone. There was some problem with the synch so I agreed to some message that mentioned erasing stuff (!!) Since doing that I have most of my songs on my iphone but virtually all the son
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I have an Epson Stylus Pro 3800 printer and iMac that that worked flawlwssly until the last Mountain Lion upgrade. Now it will not recognize paper that is loaded correctly. Clicking on printer utility gives an error and states a message is being se
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use a BlackBerry Curve 9300. I am having great difficulty downloading and running the version 6 Desktop Software. The software itself seems to downlaod quite successfully in about 30 minutes and a Desktop icon appears on my computer desktop. Each ti
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Hi If you have a Nw7.0 SR1 installation that has since been patched to be the same or higher level than SR2 - which master DVD should be used for a homegeneous system copy ? SR1 or SR2 ? SR2 seems logical, but then you need also the DVD's (java etc)