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Why is MATLAB so fast in matrix multiplication?
...uple of times, and then:
>> tic, C = A * A; toc
Elapsed time is 0.075396 seconds.
>> tic, gC = gA * gA; toc
Elapsed time is 0.008621 seconds.
MATLAB uses highly optimized libraries for matrix multiplication which is why the plain MATLAB matrix multiplication is so fast. The gpuArray ve...
How can I update my ADT in Eclipse?
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329
You have updated the android sdk but not updated the adt to match with it.
You can update th...
fatal: git-write-tree: error building trees
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edited Oct 3 '17 at 13:50
answered Apr 17 '13 at 9:19
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FFmpeg: How to split video efficiently?
...fmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One command"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:...
Mark error in form using Bootstrap
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(UPDATED with examples for Bootstrap v4, v3 and v3)
Examples of forms with validation classes for the past few major versions of Bootstrap.
Bootstrap v4
See the live version on codepen
<div class="container">
<form>
<div class="form-group r...
Intellij IDEA crashed, and now throws an error
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edited Dec 16 '15 at 19:37
CJBS
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answered Nov...
How to change the remote a branch is tracking?
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CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...2A2E call _CoInitializeEx@8 ; CoInitializeEx(x,x)
769B2A33 pop ebp
769B2A34 retn 4
可以看到，其中的实现还是比较简单的，它只是简单地调用了CoInitializeEx，将第二个参数设置为2，即COINIT_APARTMENTTHREADED...
Is it possible to set a custom font for entire of application?
...et2.ttf");
FontsOverride.setDefaultFont(this, "SERIF", "MyFontAsset3.ttf");
FontsOverride.setDefaultFont(this, "SANS_SERIF", "MyFontAsset4.ttf");
}
}
Or course if you are using the same font file, you can improve on this to load it just once.
However I tend to just override on...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
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edited Aug 23 '10 at 17:56
answered Aug 23 '10 at 17:51
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