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Structure padding and packing
...boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char c;
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马云、王健林为什么都看中了上海？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...：1990年4月，中共中央、国务院宣布开发开放浦东；1992年3月，《政府工作报告》提出上海要“逐步发展成为远东地区经济、金融、贸易中心之一”；10月，中共十四大报告提出“尽快把上海建成国际经济、金融、贸易中心之一。...
CSS endless rotation animation
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transform: rotate(0deg);
}
to {
-webkit-transform: rotate(360deg);
-o-transform: rotate(360deg);
transform: rotate(360deg);
}
}
@keyframes rotating {
from {
-ms-transform: rotate(0deg);
-moz-transform: rotate(0deg);
-webkit-transform: rotate(0deg);
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Can I force pip to reinstall the current version?
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793
pip install --upgrade --force-reinstall <package>
When upgrading, reinstall all packages...
Performance of Java matrix math libraries? [closed]
...s. I've compared some of these libraries. I attempted to matrix multiply a 3000 by 3000 matrix of doubles with itself. The results are as follows.
Using multithreaded ATLAS with C/C++, Octave, Python and R, the time taken was around 4 seconds.
Using Jama with Java, the time taken was 50 seconds.
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Comma in C/C++ macro
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edited Sep 23 '16 at 14:57
answered Dec 12 '12 at 15:16
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Java Array Sort descending?
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340
You could use this to sort all kind of Objects
sort(T[] a, Comparator<? super T> c)
A...
Remove new lines from string and replace with one empty space
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edited Jan 21 '13 at 19:49
answered Sep 21 '10 at 13:36
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read complete file without using loop in java
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130
If the file is small, you can read the whole data once:
File file = new File("a.txt");
FileInp...