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PCH File in Xcode 6
... 6? is worth reading. He points out that a PCH file is probably not a good idea, and suggests explicitly including .h files into modules that need them.
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Is multiplication and division using shift operators in C actually faster?
...tml#SAL and http://www.penguin.cz/~literakl/intel/i.html#IMUL we get an idea of x86 clock cycles needed for arithmetic shift and multiplication. Say we stick to "486" (the newest one listed), 32 bit registers and immediates, IMUL takes 13-42 cycles and IDIV 44. Each SAL takes 2, and adding 1, s...
What is the dependency inversion principle and why is it important?
...ffectively, the DIP reduces coupling between different pieces of code. The idea is that although there are many ways of implementing, say, a logging facility, the way you would use it should be relatively stable in time. If you can extract an interface that represents the concept of logging, this in...
A simple example for someone who wants to understand Dynamic Programming [closed]
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The idea behind dynamic programming is that you're caching (memoizing) solutions to subproblems, though I think there's more to it than that.
There are many Google Code Jam problems such that solutions require dynamic programmin...
sass --watch with automatic minify?
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If you are using JetBrains editors like IntelliJ IDEA, PhpStorm, WebStorm etc. Use the following settings in Settings > File Watchers.
Convert style.scss to style.css set the arguments
--no-cache --update $FileName$:$FileNameWithoutExtension$.css
and output paths t...
Generic method multiple (OR) type constraint
... concrete.
The problem is that when you get into the method you have no idea if they've given you an IJumpRope or a PiFactory. Furthermore, when you go ahead and use the method (assuming that you've gotten it to magically compile) you're not really sure if you have a Fisher or an AbstractConcret...
How do function pointers in C work?
... Working OO with a language that is not intended to be OO is always a bad idea. If you want OO and still have C just work with C++.
– rbaleksandar
Jul 4 '13 at 15:21
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How to locate the git config file in Mac [duplicate]
...e system config which was in /usr/local/etc/gitconfig in my case. I had no Idea to look there. (opens the file in vim then 1 followed by control + g shows the path of the file)
– Touten
Aug 3 at 2:54
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Is proprietary code legally safe on bitbucket or github? [closed]
...happen if your direct competitor would say "these guys violate our patents/ideas/whatever" and an American judge would give them right to view the code in search for violations - they easily get hands on our solutions... And I think it is easily doable under American IP law.
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C: Run a System Command and Get Output? [duplicate]
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Redirecting stderr to stdout may be a good idea, so you catch errors.
– user25148
Mar 14 '09 at 17:12
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