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How dangerous is it to access an array out of bounds?

How dangerous is accessing an array outside of its bounds (in C)? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program ...
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How can I read large text files in Python, line by line, without loading it into memory?

I need to read a large file, line by line. Lets say that file has more than 5GB and I need to read each line, but obviously I do not want to use readlines() because it will create a very large list in the memory. ...
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How do I get the path of the current executed file in Python?

This may seem like a newbie question, but it is not. Some common approaches don't work in all cases: 13 Answers ...
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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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Run git pull over all subdirectories [duplicate]

How can I update multiple git repositories from their shared parent's directory without cd 'ing into each repo's root directory? I have the following which are all separate git repositories ( not submodules): ...
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How can I bring my application window to the front? [duplicate]

How to bring my application window to front? For example whan my app needs attention. 7 Answers ...
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Flask vs webapp2 for Google App Engine

I'm starting new Google App Engine application and currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it. ...
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How do I replace a character at a particular index in JavaScript?

I have a string, let's say Hello world and I need to replace the char at index 3. How can I replace a char by specifying a index? ...
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How to resolve “Error: bad index – Fatal: index file corrupt” when using Git

After git init , I added and committed a few files, made some changes, added and committed. Set up the git daemon (running under Cygwin on WinXP) and cloned the repository once. Now, I get this error with the cloned repository: ...
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Loop through an array in JavaScript

In Java you can use a for loop to traverse objects in an array as follows: 40 Answers ...