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

...? 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 sometimes crashes, but sometimes just runs, only giving unexpect...
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Python strftime - date without leading 0?

... Actually I had the same problem and I realized that, if you add a hyphen between the % and the letter, you can remove the leading zero. For example %Y/%-m/%-d. This only works on Unix (Linux, OS X), not Windows (including Cygwin). On Windows, you would u...
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Recursive search and replace in text files on Mac and Linux

In the linux shell, the following command will recursively search and replace all instances of 'this' with 'that' (I don't have a Linux shell in front of me, but it should do). ...
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

...iler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens. ...
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Nokogiri installation fails -libxml2 is missing

...is present, however, it doesn't differentiate between "libxml2 is missing" and "a compiler to test libxml2 is missing". share | improve this answer | follow | ...
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Get login username in java

...philosophy of write once, run anywhere (introduction of OS specific code), and secondly, it creates a dependency on Sun's implementation of Java. – Jin Kim May 19 '09 at 16:28 14 ...
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Case insensitive comparison of strings in shell script

...t to compare two strings ignoring case, how can it be done? Is there any standard command for this? 12 Answers ...
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How to exit from Python without traceback?

... You are presumably encountering an exception and the program is exiting because of this (with a traceback). The first thing to do therefore is to catch that exception, before exiting cleanly (maybe with a message, example given). Try something like this in your main r...
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How do I determine which iOS SDK I have?

...), especially during betas, the best place to check which version of Xcode and related SDKs you have installed is to use "System Information". Apple Menu > About This Mac > System Report > Software > Developer Once there, you'll see version and build numbers for all of the major compon...
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Location Manager Error : (KCLErrorDomain error 0)

... I still had to "Reset Content and Settings" to get the delegate to call didUpdate instead of didFail after setting a default location in the scheme editor. Then it worked fine. – owenfi Sep 9 '15 at 21:26 ...