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Python group by
...Do it in 2 steps. First, create a dictionary.
>>> input = [('11013331', 'KAT'), ('9085267', 'NOT'), ('5238761', 'ETH'), ('5349618', 'ETH'), ('11788544', 'NOT'), ('962142', 'ETH'), ('7795297', 'ETH'), ('7341464', 'ETH'), ('9843236', 'KAT'), ('5594916', 'ETH'), ('1550003', 'ETH')]
>>&g...
How does C compute sin() and other math functions?
...ion or branching is rather clever. But there's no comment at all!
Older 32-bit versions of GCC/glibc used the fsin instruction, which is surprisingly inaccurate for some inputs. There's a fascinating blog post illustrating this with just 2 lines of code.
fdlibm's implementation of sin in pure C ...
Display a tooltip over a button using Windows Forms
...
Ian Kemp
21.9k1414 gold badges9393 silver badges116116 bronze badges
answered Oct 3 '08 at 19:50
Dylan BeattieDylan Beattie
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Convert Array to Object
...6
itamar
3,35133 gold badges3131 silver badges5050 bronze badges
answered Apr 3 '16 at 17:03
OriolOriol
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XMLHttpRequest status 0 (responseText is empty)
...4.0.5).
– Daniel Roethlisberger
Dec 31 '14 at 21:20
3
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
... API 并以不同方式输出时间。
对于 libevent，使用版本 1.4.3，而对于 libev，使用版本 3.31。库和测试程序均由带有优化选项的 gcc 4.2.3 版编译，-O3 -fno-guess-branch-probability -g并在带有 Debian GNU/Linux（Linux 版本 2.6.24-1）的 3.6GHz Core2 Quad ...
Google Maps API 3 - Custom marker color for default (dot) marker
...
535
You can dynamically request icon images from the Google charts api with the urls:
http://chart...
How do you read from stdin?
...munity wiki
7 revs, 7 users 54%u0b34a0f6ae
2
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How to make Twitter bootstrap modal full screen
...
I achieved this in Bootstrap 3 with the following code:
.modal-dialog {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.modal-content {
height: auto;
min-height: 100%;
border-radius: 0;
}
In general, when you have questions about ...