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Fetch frame count with ffmpeg
Does anyone know how to fetch the number of total frames from a video file using ffmpeg? The render output of ffmpeg shows the current frame and I need the frame count to calculate the progress in percent.
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sqlite database default time value 'now'
Is it possible in a sqlite database to craete a table that has a timestamp column that default to DATETIME('now') ?
7 Ans...
List Git aliases
How do I print a list of my git aliases, i.e., something analogous to the bash alias command?
16 Answers
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parseInt vs unary plus, when to use which?
What are the differences between this line:
5 Answers
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What does “S3 methods” mean in R?
Since I am fairly new to R, I do not know what the S3 methods and objects are. I found that there are S3 and S4 object systems, and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not...
Standard concise way to copy a file in Java?
It has always bothered me that the only way to copy a file in Java involves opening streams, declaring a buffer, reading in one file, looping through it, and writing it out to the other steam. The web is littered with similar, yet still slightly different implementations of this type of solution.
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Iterate through the fields of a struct in Go
Basically, the only way (that I know of) to iterate through the values of the fields of a struct is like this:
3 Answers
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How to remove the last character from a string?
I want to remove the last character from a string. I've tried doing this:
32 Answers
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
C/C++中的段错误（Segmentation fault）Segment fault 之所以能够流行于世，是与Glibc库中基本上所有的函数都默认形参指针为非空有着密切关系的。目录1。什么是段错误？2。为什 Segment fault 之所以能够流行于世，与Glibc库中基本上所有...
How to create streams from string in Node.Js?
I am using a library, ya-csv , that expects either a file or a stream as input, but I have a string.
11 Answers
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