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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
... an instance
function ic() { return typeof receiver.foo; } // perform access
ic();
ic();
return o;
eval("o" + o); // ensure no dead code elimination
}
Sans one or two small optimizations - all the below is still valid.
Let's first discuss what it does and why that's faster and ...
What's an object file in C?
...ject file.
If you have an a.c source file, to create its object file with GCC you should run:
gcc a.c -c
The full process would be: preprocessor (cpp) would run over a.c. Its output (still source) will feed into the compiler (cc1). Its output (assembly) will feed into the assembler (as), which will ...
Send string to stdin
... -t UTF-8 | /my/bash/script
0000 79c1 0000 306f 0000 3061 0000 3093 0000 3077 0000 3093 0000 304b 0000 3093 0000 3077 0000 3093 0000 306a 0000 8a71 0000 306b 0000 30ca 0000 30f3 0000 30bb
0000 30f3 0000 30b9 0000 3092 0000 7ffb 0000 8a33 0000 3059 0000 308b 0000 3053 0000 3068 0000 304c 0000 3067 00...
What's the difference between size_t and int in C++?
...n this here Linux /usr/include/stdlib.h gets the definition from /usr/lib/gcc/x86_64-redhat-linux/5.3.1/include/stddef.h and therein it defaults to long unsigned int unless some other header file says otherwise.
– David Tonhofer
Jan 4 '16 at 19:38
...
How do you convert a byte array to a hexadecimal string, and vice versa?
...{StringBuilder}.AppendFormat (using foreach) (via Tomalak)
Text: 672,115.77 (1.1X faster)
Sentence: 36.82 (1.1X faster)
{StringBuilder}.AppendFormat (using {IEnumerable}.Aggregate, requires System.Linq) (derived from Tomalak's answer)
Text: 718,380.63 (1.0X faster)
Sentence: 39.71 (1.0X faster)...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...选择在早上上班时候或者下午4点的时候，那个时候一开电脑大家都会到Q群里打声招呼，下午4点的时候工作基本干完了，都会在群里扯淡，这两个时候群的活跃度比较高，这个发一个图片二维码到群里效果会好点，当然发的时候...
Transitioning from Windows Forms to WPF
... soon as you get a key amount of Converters, your productivity will rocket Sky high. They will take over the role of the crazy amount of control eventhandlers that hide or resize, or what ever about UI,
It makes UI development fun. Especially once you find out how it likes to play along with Asyc ...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...e left, the loop_count is reduced by one each measurement. When it becomes 77 the function is called every 102 ns in both threads. If subsequently loop_count is reduced even further it is no longer possible to synchronize the threads and the mutex starts to be actually locked most of the time, resul...
Why does find -exec mv {} ./target/ + not work?
....
find -exec command {} \;
For each result, command {} is executed. All occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from interpreting it.
find -exec command {} +
Each result is appended to command and executed afterwards. Taking the command leng...
Why not use tables for layout in HTML? [closed]
...
Sorry but this is really "pie int he sky" wishful thinking. Users care? No. Noone cares except a small number of misguided revisionists. HTML (including tables) is far older than the relatively new notion of "semantics vs layout". Oh and source please for "the m...