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OS detecting makefile

...detected_OS := $(patsubst MINGW%,MSYS,$(detected_OS)) endif Then you can select the relevant stuff depending on detected_OS: ifeq ($(detected_OS),Windows) CFLAGS += -D WIN32 endif ifeq ($(detected_OS),Darwin) # Mac OS X CFLAGS += -D OSX endif ifeq ($(detected_OS),Linux) CFLAGS ...
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C++ lambda with captures as a function pointer

...ector> #include <functional> using namespace std; int ftw(const char *fpath, std::function<int (const char *path)> callback) { return callback(fpath); } int main() { vector<string> entries; std::function<int (const char *fpath)> callback = [&](const char *fpa...
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Passing variable number of arguments around

...se that va_list in your second function. Specifically; void format_string(char *fmt,va_list argptr, char *formatted_string); void debug_print(int dbg_lvl, char *fmt, ...) { char formatted_string[MAX_FMT_SIZE]; va_list argptr; va_start(argptr,fmt); format_string(fmt, argptr, formatted_st...
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Finding current executable's path without /proc/self/exe

... Solaris: char exepath[MAXPATHLEN]; sprintf(exepath, "/proc/%d/path/a.out", getpid()); readlink(exepath, exepath, sizeof(exepath));; that's different from getexecname() - which does the equiv of pargs -x <PID> | grep AT_SUN_EXECN...
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How can I use UUIDs in SQLAlchemy?

...cause it implicitly tries to do some sort of character conversion for the "select * from table where id =..." and there's miscellaneous display issues. Other than that everything seems to work fine, and so I'm throwing it out there. Leave a comment if you see a glaring error with it. I welcome any ...
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T-SQL datetime rounded to nearest minute and nearest hours with using functions

... declare @dt datetime set @dt = '09-22-2007 15:07:38.850' select dateadd(mi, datediff(mi, 0, @dt), 0) select dateadd(hour, datediff(hour, 0, @dt), 0) will return 2007-09-22 15:07:00.000 2007-09-22 15:00:00.000 The above just truncates the seconds and minutes, producing the resu...
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Trim spaces from start and end of string

... for (var i = str.length - 1; i >= 0; i--) { if (/\S/.test(str.charAt(i))) { str = str.substring(0, i + 1); break; } } return str; } "if you want to handle long strings exceptionally fast in all browsers". References blog.stevenlevithan.com --...
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Use of 'const' for function parameters

...ect, thus the const at the end of its declaration) – CharonX Oct 1 '18 at 9:54  |  show 2 more comments ...
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How do I properly compare strings in C?

I am trying to get a program to let a user enter a word or character, store it, and then print it until the user types it again, exiting the program. My code looks like this: ...
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C Macro definition to determine big endian or little endian machine?

...define ORDER32_H #include <limits.h> #include <stdint.h> #if CHAR_BIT != 8 #error "unsupported char size" #endif enum { O32_LITTLE_ENDIAN = 0x03020100ul, O32_BIG_ENDIAN = 0x00010203ul, O32_PDP_ENDIAN = 0x01000302ul, /* DEC PDP-11 (aka ENDIAN_LITTLE_WORD) */ O32_HO...