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What happens to a declared, uninitialized variable in C? Does it have a value?

...t. I have cited the standard in my answer. – DigitalRoss Oct 20 '09 at 22:01  |  show 16 more comments ...
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How to update Ruby to 1.9.x on Mac?

...y Version Manager) is the Standard for upgrading your Ruby installation on OSX: https://rvm.io To get started, open a Terminal Window and issue the following command: \curl -L https://get.rvm.io | bash -s stable --ruby ( you will need to trust the RVM Dev Team that the command is not malicious ...
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Remove the last line from a file in Bash

... Of course, in that case you could also use head -n -1 instead of sed. MacOS: On Mac OS X (as of 10.7.4), the equivalent of the sed -i command above is sed -i '' -e '$ d' foo.txt share | improve...
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what is Promotional and Feature graphic in Android Market/Play Store?

..."The promo graphic is used for promotions on older versions of the Android OS (earlier than 4.0)." (Adding info here as it is the top answer) – MZB May 24 '17 at 15:35 ...
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How to get names of classes inside a jar file?

...file.jar -t list table of contents for archive -v generate verbose output on standard output -f specify archive file name share | improve this answer | fol...
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Convert datetime to Unix timestamp and convert it back in python

... @J.F.Sebastian: I didn't want to cover all of the three possibilities in detail, but I guess you're right, I should. – abarnert Nov 6 '13 at 0:52 ...
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Options, Settings, Properties, Configuration, Preferences — when and why?

...lication. Following an approximate lead from Visual Studio and other Microsoft products: Properties represent the characteristics of a single component or object in the application. Options alter global ways that the application works. Microsoft products use this to customise the UI toolbar, fo...
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Why can't strings be mutable in Java and .NET?

...ss authentication which is necessary before the call will be passed to OS. If String was mutable it was possible somehow to modify its content after the authentication check before OS gets request from program then it is possible to request any file. So if you have a right to open te...
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Ideal way to cancel an executing AsyncTask

...s thats right, but this way background thread doesn't get interrupted, suppose the case when uploading image, the uploading process continues in background and we didn't get onPostExecute called. – umesh Jan 21 '14 at 13:04 ...
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)

... Most compilers have their own specifier for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd. You could create a macro: #if defined(_MSC...