... 86 General numeric sort compares the numbers as floats, this allows scientific notation eg 1.234E1...

... If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output. I made a function that addresses all this issues. It´s called Encoding::toUTF8(). You don't need to know what the encoding of your strings is. It ...

...Result: 00000101b Masking is implemented using AND, so in C we get: uint8_t stuff(...) { uint8_t mask = 0x0f; // 00001111b uint8_t value = 0x55; // 01010101b return mask & value; } Here is a fairly common use-case: Extracting individual bytes from a larger word. We define the high...

... Here you wanna make a pointer to the first element of the array uint8_t (*matrix_ptr)[20] = l_matrix; With typedef, this looks cleaner typedef uint8_t array_of_20_uint8_t[20]; array_of_20_uint8_t *matrix_ptr = l_matrix; Then you can enjoy life again :) matrix_ptr[0][1] = ...; Beware o...

... 8 Answers 8 Active ...

...on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like: 5 Answe...

... 438 You can do these checks using positive look ahead assertions: ^(?=.*[A-Z].*[A-Z])(?=.*[!@#$&a...

Between utf8_general_ci and utf8_unicode_ci , are there any differences in terms of performance? 8 Answers ...

..............................................................................8 30.4输入和执行命令.......................................................................................................10 30.4.1基本要点.........................................................................

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