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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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Why use prefixes on member variables in C++ classes

...tless in strongly typed languages e.g. in C++ "lpsz" to tell you that your string is a long pointer to a nul terminated string, when: segmented architecture is ancient history, C++ strings are by common convention pointers to nul-terminated char arrays, and it's not really all that difficult to know...
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How to go about formatting 1200 to 1.2k in java

...and was more difficult to read. private static final NavigableMap<Long, String> suffixes = new TreeMap<> (); static { suffixes.put(1_000L, "k"); suffixes.put(1_000_000L, "M"); suffixes.put(1_000_000_000L, "G"); suffixes.put(1_000_000_000_000L, "T"); suffixes.put(1_000_000_000_0...
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Default template arguments for function templates

... I proved with the following code: #include <iostream> #include <string> #include <sstream> #include <ctype.h> template <typename T> T prettify(T t) { return t; } std::string prettify(char c) { std::stringstream ss; if (isprint((unsigned char)c)) { ss...
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How to loop backwards in python? [duplicate]

... All of these three solutions give the same results if the input is a string: 1. def reverse(text): result = "" for i in range(len(text),0,-1): result += text[i-1] return (result) 2. text[::-1] 3. "".join(reversed(text)) ...
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sizeof single struct member in C

...->member) and use it like this: typedef struct { float calc; char text[255]; int used; } Parent; typedef struct { char flag; char text[member_size(Parent, text)]; int used; } Child; I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a ...
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Regex to validate password strength

...: ^ Start anchor (?=.*[A-Z].*[A-Z]) Ensure string has two uppercase letters. (?=.*[!@#$&*]) Ensure string has one special case letter. (?=.*[0-9].*[0-9]) Ensure string has two digits. (?=.*[a-z].*[a-z].*[a-z]) Ensure string has three lowercase le...
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Initializing a static std::map in C++

... I'm using your first sample as <int,string> to bind error-numbers (from an enum) with messages - it is working like a charm - thank you. – slashmais Sep 22 '10 at 10:57 ...
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How can I link to a specific glibc version?

...ect because crosstool-NG does not support building the executables without extra -Wl flags, which feels weird since we've built GCC itself. But everything seems to work, so this is only an inconvenience. Get crosstool-NG and configure it: git clone https://github.com/crosstool-ng/crosstool-ng cd c...
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Simple (non-secure) hash function for JavaScript? [duplicate]

...er-compatible) JavaScript? Ideally I'd like something that, when passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD5, SHA1, etc. It doesn't have to be cryptographically secure, just reasonably resistant to collisions. (My in...