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What does [:] mean?
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It is an example of slice notation, and what it does depends on the type of population. If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (th...
How do I get the result of a command in a variable in windows?
...DDV
SET VAR=%VAR%!%1
:END
All output lines are stored in VAR separated with "!".
@John: is there any practical use for this? I think you should watch PowerShell or any other programming language capable to perform scripting tasks easily (Python, Perl, PHP, Ruby)
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What is a good pattern for using a Global Mutex in C#?
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I want to make sure this is out there, because it's so hard to get right:
using System.Runtime.InteropServices; //GuidAttribute
using System.Reflection; //Assembly
using System.Threading; //Mutex
using System.Security.AccessControl; //...
How to automatically remove trailing whitespace in Visual Studio 2008?
Is it possible to configure Visual Studio 2008 to automatically remove whitespace characters at the end of each line when saving a file? There doesn't seem to be a built-in option, so are there any extensions available to do this?
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Google Chrome Extensions - Can't load local images with CSS
...mple Chrome extension that uses the content script feature to modify a website. More specifically, the background-image of said website.
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Converting integer to string in Python
I want to convert an integer to a string in Python. I am typecasting it in vain:
12 Answers
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Redirect stdout to a file in Python?
How do I redirect stdout to an arbitrary file in Python?
10 Answers
10
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How to find memory leak in a C++ code/project?
...ory only if you've deleted. In the code below, str acquires a new address with the second allocation. The first address is lost irretrievably, and so are the 30 bytes that it pointed to. Now they're impossible to free, and you have a memory leak:
char* str = new char [30]; // Give str a memory addr...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
...n exception is thrown and the exception object gets a variable assigned to it, that object variable is only available within the "catch" section and is destroyed as soon as the catch completes.
(and more importantly). You can't know where in the try block the exception was thrown. It may have been b...
angular.service vs angular.factory
...unction);
I had trouble wrapping my head around this concept until I put it to myself this way:
Service: the function that you write will be new-ed:
myInjectedService <---- new myServiceFunction()
Factory: the function (constructor) that you write will be invoked:
myInjectedFactory <...