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How to resolve symbolic links in a shell script

...eferences to '/./', '/../' and extra '/' characters in the null terminated string named by path and stores the canonicalized absolute pathname in the buffer of size PATH_MAX named by resolved_path. The resulting path will have no symbolic link, '/./' or '/../' components. ...
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How do I get the directory that a program is running from?

... This is from the cplusplus forum On windows: #include <string> #include <windows.h> std::string getexepath() { char result[ MAX_PATH ]; return std::string( result, GetModuleFileName( NULL, result, MAX_PATH ) ); } On Linux: #include <string> #include <lim...
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What is a method that can be used to increment letters?

... Simple, direct solution function nextChar(c) { return String.fromCharCode(c.charCodeAt(0) + 1); } nextChar('a'); As others have noted, the drawback is it may not handle cases like the letter 'z' as expected. But it depends on what you want out of it. The solution above will re...
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How does std::forward work? [duplicate]

... move constructor. You should use something like std::vector<int> or string which has a move constructor. – Johnny Pauling Apr 14 '13 at 10:50 2 ...
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Python != operation vs “is not”

... but are not identical. (They are not the same object in memory.) Example: Strings >>> greeting = "It's a beautiful day in the neighbourhood." >>> a = unicode(greeting) >>> b = unicode(greeting) >>> a is b False >>> a == b True Note: I use unicode stri...
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?

...bers [...Array(5).keys()]; => [0, 1, 2, 3, 4] Character iteration String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0))); => "ABCD" Iteration for (const x of Array(5).keys()) { console.log(x, String.fromCharCode('A'.c...
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?

... in C++11, where it is specified as containing "an implementation-defined string" (C++11 §8.4.1[dcl.fct.def.general]/8), which is not quite as useful as the specification in C. (The original proposal to add __func__ to C++ was N1642). __FUNCTION__ is a pre-standard extension that some C compilers ...
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In Python, how do I determine if an object is iterable?

... Checking for __iter__ works on sequence types, but it would fail on e.g. strings in Python 2. I would like to know the right answer too, until then, here is one possibility (which would work on strings, too): from __future__ import print_function try: some_object_iterator = iter(some_object)...
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How to compute the sum and average of elements in an array?

...age is: " + avg ); Just iterate through the array, since your values are strings, they have to be converted to an integer first. And average is just the sum of values divided by the number of values. share | ...
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Using a Single Row configuration table in SQL Server database. Bad idea?

... same default value (null/empty?) negative: everything has to be stored as strings (ie. nvarchar) negative: when dealing with the settings in code, you have to know what type a setting is and cast it The single row option is by far the easiest one to work with. This is because you can store each se...