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Do try/catch blocks hurt performance when exceptions are not thrown?

During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
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How can I make a time delay in Python? [duplicate]

...follow | edited Jun 14 '18 at 21:04 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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Wait for a void async method

How can I wait for a void async method to finish its job? 6 Answers 6 ...
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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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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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Running unittest with typical test directory structure

...ry structure for even a simple Python module seems to be to separate the unit tests into their own test directory: 21 Ans...
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What are the rules about using an underscore in a C++ identifier?

It's common in C++ to name member variables with some kind of prefix to denote the fact that they're member variables, rather than local variables or parameters. If you've come from an MFC background, you'll probably use m_foo . I've also seen myFoo occasionally. ...
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What is a good pattern for using a Global Mutex in C#?

... 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; //...
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What does [:] mean?

... 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...
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split string only on first instance of specified character

In my code I split a string based on _ and grab the second item in the array. 17 Answers ...