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FFmpeg: How to split video efficiently?

I wish to split a large avi video into two smaller consecutive videos. I am using ffmpeg. 9 Answers ...
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Editing legend (text) labels in ggplot

... @Sathish As you can see, the title of the y-axis is smaller than the title in the x-axis. The different sizes are used to illustrate the possibilities and its consequences. Thus the code used in the answer is correct imo. – Jaap Oct 14 '16 ...
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MFC Dialog中嵌入View、动态创建View的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...的需要手动调一下。代码如下,亲测有效: //.h CView *m_pDemoView; //.cpp 构造函数或OnInitDialog函数 CMainContainer::OnInitDialog() //CDialog才有,像CWnd等没有OnInitDialog可以放在构造函数中,然后OnPaint()函数中改变大小并显示。 { m_pDem...
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TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...产数据2亿多条导入测试 先建集合,创建3个索引,包括_id共4个索引。 TokuMX 5个多小时导完数据,官方MongoDB 2.2.4版本竟然花了2天2夜多,近58个小时 使用mongostat统计,每分钟取值一个,纵坐标为inserts/s,横坐标为分钟。 ...
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Use Mockito to mock some methods but not others

... question, yes, you can mock some methods without mocking others. This is called a partial mock. See the Mockito documentation on partial mocks for more information. For your example, you can do something like the following, in your test: Stock stock = mock(Stock.class); when(stock.getPrice()).the...
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What are the -Xms and -Xmx parameters when starting JVM?

... The flag Xmx specifies the maximum memory allocation pool for a Java virtual machine (JVM), while Xms specifies the initial memory allocation pool. This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of ...
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Finding index of character in Swift String

... 1.x) to get the number of characters. That also applies to positions. The _position is probably an index into the raw array of bytes and they don't want to expose that. The String.Index is meant to protect us from accessing bytes in the middle of characters. That means that any index you get must ...
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C/C++ NaN constant (literal)?

... Indeed, it's an option if you need obfuscation but not portability. Personally, I prefer portability without obfuscation, so I won't suggest it myself. – Mike Seymour May 22 '13 at 12:26 ...
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What is difference between Collection.stream().forEach() and Collection.forEach()?

...at with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)? ...
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How do I make a Git commit in the past?

... The advice you were given is flawed. Unconditionally setting GIT_AUTHOR_DATE in an --env-filter would rewrite the date of every commit. Also, it would be unusual to use git commit inside --index-filter. You are dealing with multiple, independent problems here. Specifying...