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What are the differences and similarities between ffmpeg, libav, and avconv?
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Confusing messages
These messages are rather misleading and understandably a source of confusion. Older Ubuntu versions used Libav which is a fork of the FFmpeg project. FFmpeg returned in Ubuntu 15.04 "Vivid Vervet".
The fork was basically a non-amicable result of conflicting pe...
Is JavaScript supported in an email message?
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Old clients, such as Lotus Notes, Mozilla Thunderbird, Outlook Express, and Windows Live Mail all seem to have supported some sort of JavaScript execution. Nothing else does.
It seems like a bad idea security-wise, so I would expect this to be a feature that won't always be around, even in thes...
What exactly are “spin-locks”?
...ritical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel ob...
How to ignore SVN folders in WinMerge?
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Try making a Filefilter
WinMerge handles this just fine. You want to create and use a Filter. Under Tools | Filters... | Filefilters, create a new filter or modify an existing one.
It will look like this:
## Ignore Java class and jar files
f: \.class$
f: \....
C# delete a folder and all files and folders within that folder
I'm trying to delete a folder and all files and folders within that folder, I'm using the code below and I get the error Folder is not empty , any suggestions on what I can do?
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R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
...ce between R.exe (with or without CMD BATCH option), Rcmd.exe, Rscript.exe and Rterm.exe when running command line in a batch file?
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Why do Chrome and IE put “Mozilla 5.0” in the User-Agent they send to the server? [duplicate]
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See: user-agent-string-history
It all goes back to browser sniffing and making sure that the browsers are not blocked from getting content they can support. From the above article:
And Internet Explorer supported frames, and yet was not Mozilla, and so was not given frames. And Microsoft ...
NSIS内置路径命令详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...$STARTMENU=相对应用户名称的「开始」菜单；如：C:\Documents and Settings\Administrator\「开始」菜单!
$SMPROGRAMS=相对应用户名称的「开始」菜单\程序；如：C:\Documents and Settings\Administrator\「开始」菜单\程序
$QUICKLAUNCH=相对应用户名称...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
I was going through the exercises in Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable:
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Structs versus classes
...e small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b .
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