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RSS订阅翻译 Lex And Yacc
Lex 单词个数统计例子 wordcounter.lex %{int wordCount = 0;%}chars [A-Za-z\_\'\.\"]numbers ([0-9])+delim [" "\n\t]whitespace {delim}+words {chars}+ %%{words} { wordCount++; /* increase the word count by o
2013-11-14 16:11:46
448
原创 Atomic memory access
Gcc 提供了一些built in的函数,以实现内存访问的原子性:具体函数在 http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Atomic-Builtins.html In most cases, these builtins are considered a full barrier. That is, no memory operand will
2012-12-03 11:21:54
349
转载 The Most Important Algorithms
After a long discussion with some of my RISC colleagues about what the 5 most important algorithms on the world are, we couldn't reach a consensus on this question. So I suggested to perform a littl
2012-11-22 23:28:38
313
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