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Android Studio says “cannot resolve symbol” but project compiles

...alidate and Restart" option to fix this. EDIT 2: This fix should work for all similar incidents and is not a twitter4j specific resolution. share | improve this answer | fol...
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How to determine CPU and memory consumption from inside a process?

... quite a while, perhaps I've been only a bit stupid...) Note: for clarity all error checking has been omitted from the following code. Do check the return codes...! Total Virtual Memory: #include "windows.h" MEMORYSTATUSEX memInfo; memInfo.dwLength = sizeof(MEMORYSTATUSEX); GlobalMemoryStatus...
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Can PostgreSQL index array columns?

... to this question in the documentation. If a column is an array type, will all the entered values be individually indexed? ...
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Realistic usage of the C99 'restrict' keyword?

...aw it mentioned. I read a brief description, stating that it would be basically a promise from the programmer that the pointer won't be used to point somewhere else. ...
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Reference: What is variable scope, which variables are accessible from where and what are “undefined

... be in the global scope in a.php doesn't necessarily mean they are, it actually depends on which context that code is included/executed in. What about functions inside functions and classes? Every new function declaration introduces a new scope, it's that simple. (anonymous) functions inside func...
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How can I quickly sum all numbers in a file?

... For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer: % perl -nle '$sum += $_ } END { print $sum' If you're curious what Perl one-liners do, you can deparse them: % perl -MO=Deparse -nle '$sum += $_ } END ...
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PHP Get name of current directory

... libs/common.php That way when common.php is require'd in main.php, the call of require_once in common.php will correctly includes editor.php in images/editor.php instead of trying to look in current directory where main.php is run. ...
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PHP: Storing 'objects' inside the $_SESSION

I just figured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved....
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Python: Best way to add to sys.path relative to the current running script

...o have a library located in project/lib and want the scripts to automatically load it. This is what I normally use at the top of each script: ...
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Link to all Visual Studio $ variables

... Now if only there were a way to access these programmatically in our code (in my case C#). – Chiramisu Feb 22 at 7:52 ...