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What's the difference between “groups” and “captures” in .NET regular expressions?
I'm a little fuzzy on what the difference between a "group" and a "capture" are when it comes to .NET's regular expression language. Consider the following C# code:
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Debug Error \"pure virtual function call\" 原因解析 - 更多技术 - 清泛...
Debug Error "pure virtual function call" 原因解析结论：一般在构造、析构函数中调用虚函数就可能出这个错误，检查纯虚函数，看看有没有在构造析构函数中调用。以下来自：http: www.kuqin.c...结论：一般在构造、析构函数中调用虚函数...
Java - sending HTTP parameters via POST method easily
... sent as part of the URL.
In a POST request, the parameters are sent as a body of the request, after the headers.
To do a POST with HttpURLConnection, you need to write the parameters to the connection after you have opened the connection.
This code should get you started:
String urlParameters ...
How to convert a string to an integer in JavaScript?
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The simplest way would be to use the native Number function:
var x = Number("1000")
If that doesn't work for you, then there are the parseInt, unary plus, parseFloat with floor, and Math.round methods.
parseInt:
var x = parseInt("1000", 10); /...
CSS disable text selection
Currently, I have put this in the body tag to disable text selections:
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What does a tilde do when it precedes an expression?
I saw it in an answer, and I've never seen it before.
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Display a float with two decimal places in Python
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The result of the operator is a string, so you can store it in a variable, print etc.
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ng-options with simple array init
I'm a little bit confused with Angular and ng-options .
5 Answers
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How can I read a whole file into a string variable
I have lots of small files, I don't want to read them line by line.
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Pushing an existing Git repository to SVN
I've been doing all my work in Git and pushing to GitHub. I've been very happy with both the software and the site, and I have no wish to change my working practices at this point.
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