What is your favorite C programming trick?
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An Interview With Linus Torvalds: Linux and Git - Part 1 30 Years Of Linux
Jeremy founded Tag1 Consulting in 2007. He has been a contributing core Drupal developer since 2002, and helped establish Drupal as a successful CMS through the early popularity of his personal blog, KernelTrap.org. Over the years, he authored and maintained the core statistics module and throttle module, as well as the pager logic and the initial Drupal 5 installer. He continues to contribute to
C言語で実行時間測定
C言語で実行時間を測定する方法。覚書。正確さから言えばgettimeofdayかな。手軽さからならclockあたりで。Unixであれば、timeコマンドがソースの変更もなく手間もかからず簡単。Windowsの場合は、timeitコマンドがリソースキットに含まれている。 % time 実行ファイル 以下、Cのコード。 clock #include <stdio.h> #include <time.h> int main() { clock_t t1, t2; t1 = clock(); /* 処理. */ t2 = clock(); printf("%f\n", (double)(t2 - t1) / CLOCKS_PER_SEC); return 0; } gettimeofday #include <stdio.h> #include <time.h> #include <sys/tim
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処理を実行中です
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__VA_ARGS__ Macro expansion
