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How to use random in BATCH script?
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Given the specific problem, you will very likely be using some kind of loop? Then you should indeed be using delayed expansion e.g. via SETLOCAL ENABLEDELAYEDEXPANSION and using !RANDOM! instead of %RANDOM%, like Eugene posted.
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What's causing my java.net.SocketException: Connection reset? [duplicate]
...ative client to your Java code that you could use to test the web service? If this was successful it could indicate a bug in the Java code.
As you are using Commons HTTP Client have a look at the Common HTTP Client Logging Guide. This will tell you how to log the request at the HTTP level.
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What is the purpose of “!” and “?” at the end of method names?
...e#sort! sorts it in place.
In Rails, ActiveRecord::Base#save returns false if saving failed, while ActiveRecord::Base#save! raises an exception.
Kernel::exit causes a script to exit, while Kernel::exit! does so immediately, bypassing any exit handlers.
Methods ending in ? return a boolean, which ma...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...s a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
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How to clone an InputStream?
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If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associ...
How do I echo and send console output to a file in a bat script?
...rect one of the ten streams with > file or < file
It is unimportant, if the redirection is before or after the command,
so these two lines are nearly the same.
dir > file.txt
> file.txt dir
The redirection in this example is only a shortcut for 1>, this means the stream 1 (STDOUT) ...
C# 3.0 auto-properties — useful or not? [closed]
...e and easier to maintain. Saving code is always a good goal.
You can set different scopes:
public string PropertyName { get; private set; }
So that the property can only be changed inside the class. This isn't really immutable as you can still access the private setter through reflection.
As of...
Why is AJAX returning HTTP status code 0?
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Another case:
It could be possible to get a status code of 0 if you have sent an AJAX call and a refresh of the browser was triggered before getting the AJAX response. The AJAX call will be cancelled and you will get this status.
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Database design for a survey [closed]
...ondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and possibly questions that could contain more than one answer (i.e. check all ...
Log to the base 2 in python
...ow that
math.log takes an optional second argument which allows you to specify the base:
In [22]: import math
In [23]: math.log?
Type: builtin_function_or_method
Base Class: <type 'builtin_function_or_method'>
String Form: <built-in function log>
Namespace: Interactive
Docstr...