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Finding current executable's path without /proc/self/exe

...e) method is to use argv[0]. Although it could be set to anything by the calling program, by convention it is set to either a path name of the executable or a name that was found using $PATH. Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable be...
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Among $_REQUEST, $_GET and $_POST which one is the fastest?

...what my application should do (i.e. one or the other, but not both) : generally speaking : You should use $_GET when someone is requesting data from your application. And you should use $_POST when someone is pushing (inserting or updating ; or deleting) data to your application. Either way, the...
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Java String - See if a string contains only numbers and not letters

... only digits. JMH testing Tests compare performance of Character.isDigit vs Pattern.matcher().matches vs Long.parseLong vs checking char values. These ways can produce different result for non-ascii strings and strings containing +/- signs. Tests run in Throughput mode (greater is better) with 5...
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What's the correct way to sort Python `import x` and `from x import y` statements?

... Imports are generally sorted alphabetically and described in various places beside PEP 8. Alphabetically sorted modules are quicker to read and searchable. After all python is all about readability. Also It is easier to verify that something...
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How do I do a not equal in Django queryset filtering?

... Your query appears to have a double negative, you want to exclude all rows where x is not 5, so in other words you want to include all rows where x IS 5. I believe this will do the trick. results = Model.objects.filter(x=5).exclude(a=true) To answer your specific question, there is no "...
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Taskkill /f doesn't kill a process

When I start up an Experimental instance of VS from VS for debugging and stop debugging (sometimes directly from the parent VS), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls. ...
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Traverse a list in reverse order in Python

... are reversed on the fly while traversing! This is an important feature of all these iteration functions (which all end on “ed”). – Konrad Rudolph Feb 9 '09 at 19:10 9 ...
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vs

...global namespace anyway, and C++11 ratified this practice[*]. So, you basically have three options: Use <cstdint> and either fully qualify each integer type you use or else bring it into scope with using std::int32_t; etc (annoying because verbose, but it's the right way to do it just like f...
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@selector() in Swift?

...e aforementioned syntax for function references (e.g. insertSubview(_:at:) vs insertSubview(_:aboveSubview:)). But if a function has no parameters, the only way to disambiguate it is to use an as cast with the function's type signature (e.g. foo as () -> () vs foo(_:)). There's a special syntax f...
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What is the GAC in .NET?

... Right, so basically it's a way to keep DLLs globally accessible without worrying about conflicts. No more DLL Hell. Each architecture and version gets it's own place to live. It also gets it own way to browse it in Explorer, so if you go...