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Try catch stateme<em>nem>ts i<em>nem> C

... i<em>nem> C. However, is there a way to "simulate" them? Sure, there is assert <em>a<em>nem>dem> other tricks but <em>nem>othi<em>nem>g like try/catch, that also catch the raised exceptio<em>nem>. Tha<em>nem>k you ...
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Why does<em>nem>'t GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

...a,2) by compili<em>nem>g it i<em>nem>to a*a , but the call pow(a,6) is <em>nem>ot optimized <em>a<em>nem>dem> will actually call the library fu<em>nem>ctio<em>nem> pow , which greatly slows dow<em>nem> the performa<em>nem>ce. (I<em>nem> co<em>nem>trast, I<em>nem>tel C++ Compiler , executable icc , will elimi<em>nem>ate the library call for pow(a,6) .) ...
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How does git compute file hashes?

... | shasum 8ab686eafeb1f44702738c8b0f24f2567c36da6d Source: http://alblue.b<em>a<em>nem>dem>lem.com/2011/08/git-tip-of-week-objects.html share | improve this a<em>nem>swer | follow ...
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How to replace stri<em>nem>gs co<em>nem>tai<em>nem>i<em>nem>g slashes with sed?

... @MaxWaterma<em>nem> it's st<em>a<em>nem>dem>ard operati<em>nem>g procedure whe<em>nem> usi<em>nem>g sed that the regex comm<em>a<em>nem>dem> is put i<em>nem> double quotes. I did<em>nem>'t use them i<em>nem> my a<em>nem>swer because I was<em>nem>'t showi<em>nem>g the whole sed comm<em>a<em>nem>dem> li<em>nem>e but just the sed regex comm<em>a<em>nem>dem> stri<em>nem>g as the OP had ...
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Why malloc+memset is slower tha<em>nem> calloc?

...se it ca<em>nem> skip memset() e<em>nem>tirely. I<em>nem> other cases, calloc() ca<em>nem> eve<em>nem> cheat <em>a<em>nem>dem> <em>nem>ot allocate a<em>nem>y memory! However, malloc()+memset() will always do the full amou<em>nem>t of work. U<em>nem>derst<em>a<em>nem>dem>i<em>nem>g this requires a short tour of the memory system. Quick tour of memory There are four mai<em>nem> parts here: your prog...
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What is more efficie<em>nem>t? Usi<em>nem>g pow to square or just multiply it with itself?

What of these two methods is i<em>nem> C more efficie<em>nem>t? <em>A<em>nem>dem> how about: 7 A<em>nem>swers 7 ...
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How to ig<em>nem>ore whitespace i<em>nem> a regular expressio<em>nem> subject stri<em>nem>g?

...<em>nem>t "c ats" or "ca ts" to match. I ca<em>nem>'t strip out the whitespace beforeh<em>a<em>nem>dem> because I <em>nem>eed to fi<em>nem>d the begi<em>nem> <em>a<em>nem>dem> e<em>nem>d i<em>nem>dex of the match (i<em>nem>cludi<em>nem>g a<em>nem>y whitespace) i<em>nem> order to highlight that match <em>a<em>nem>dem> a<em>nem>y whitespace <em>nem>eeds to be there for formatti<em>nem>g purp<em>osem>es. ...
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Keep o<em>nem>ly first <em>nem> characters i<em>nem> a stri<em>nem>g?

...substri<em>nem>g(0,8); Which retur<em>nem>s the stri<em>nem>g starti<em>nem>g at the first character <em>a<em>nem>dem> fi<em>nem>ishi<em>nem>g before the 9th character - i.e. 'Hiya how'. substri<em>nem>g docume<em>nem>tatio<em>nem> share | improve this a<em>nem>swer | ...
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How ca<em>nem> I delete a <em>nem>ewli<em>nem>e if it is the last character i<em>nem> a file?

...li<em>nem>e if it is the last character i<em>nem> a file. od -c shows me that the comm<em>a<em>nem>dem> I ru<em>nem> does write the file with a traili<em>nem>g <em>nem>ew li<em>nem>e: ...
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Data structure for loaded dice?

...e. for a fixed set of probabilities) so that I ca<em>nem> efficie<em>nem>tly simulate a r<em>a<em>nem>dem>om roll of the die. 4 A<em>nem>swers ...