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STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
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struct a
{
char* pName;
int m_a;
};
...
map<a, int> mp;
a a1;
a1.m_a = 100;
a1.pName = "a1";
a a2;
a2.m_a = 200;
a2.pName = "a2";
mp.insert(std::make_pair(a1, 1));
mp.insert(std::make_pair(a2, 1));
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How to download image using requests
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To use the response.raw file-like object will not, by default, decode compressed responses (with GZIP or deflate). You can force it to decompress for you anyway by setting the decode_content attribute to True (requests sets it to False to control decoding itself). You can then use shutil.copyfile...
Rotating videos with FFmpeg
I have been trying to figure out how to rotate videos with FFmpeg. I am working with iPhone videos taken in portrait mode. I know how to determine the current degrees of rotation using MediaInfo (excellent library, btw) but I'm stuck on FFmpeg now.
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
I am looking for a simple way to get a mime type where the file extension is incorrect or not given, something similar to this question only in .Net.
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Data structure: insert, remove, contains, get random element, all at O(1)
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Consider a data structure composed of a hashtable H and an array A. The hashtable keys are the elements in the data structure, and the values are their positions in the array.
insert(value): append the value to array and let i be its index in A. Set H...
Can't Find Theme.AppCompat.Light for New Android ActionBar Support
I am trying to implement the new ActionBar support library that was released by Google a couple days ago. In the past, I have successfully implemented ActionBarSherlock without any issues using the same method listed on Google Developer's Support Library Setup page - using the guide on how to i...
Make HTML5 video poster be same size as video itself
...oster image in combination with a CSS background image to achieve this (example); however, to have a background stretched to the height and the width of a video, you'll have to use an absolutely positioned &lt;img&gt; tag (example).
It is also possible to set background-size to 100% 100% in browsers...
Play audio file from the assets directory
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edited Jan 18 '13 at 19:05
Dheeraj Bhaskar
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Fastest way to extract frames using ffmpeg?
Hi I need to extract frames from videos using ffmpeg.. Is there a faster way to do it than this:
6 Answers
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Play a Sound with Python [duplicate]
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The Snack Sound Toolkit can play wav, au and mp3 files.
s = Sound()
s.read('sound.wav')
s.play()
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