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How can I extract a good quality JPEG image from a video file with ffmpeg?
Currently I am using this command to extract the images:
2 Answers
2
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Unpack a list in Python?
I think 'unpack' might be the wrong vocabulary here - apologies because I'm sure this is a duplicate question.
3 Answers
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Passing parameters to a Bash function
I am trying to search how to pass parameters in a Bash function, but what comes up is always how to pass parameter from the command line.
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When to add what indexes in a table in Rails
I have a question about Rails database.
3 Answers
3
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Node.js create folder or use existing
...m install mkdirp
Use it to run function that requires the directory. Callback is called after path is created or if path did already exists. Error err is set if mkdirp failed to create directory path.
var mkdirp = require('mkdirp');
mkdirp('/tmp/some/path/foo', function(err) {
// path exist...
Iterate two Lists or Arrays with one ForEach statement in C#
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This is known as a Zip operation and will be supported in .NET 4.
With that, you would be able to write something like:
var numbers = new [] { 1, 2, 3, 4 };
var words = new [] { "one", "two", "three", "four" };
var numbersAndWords = numbers.Zip(words, (n, w) =>...
In Scala how do I remove duplicates from a list?
... for Seq,
scala> dirty.distinct
res0: List[java.lang.String] = List(a, b, c)
Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element order. You may want to use a Set implementation that explicitly does pres...
Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
Recently I am using Python module os, when I tried to change the permission of a file, I did not get the expected result. For example, I intended to change the permission to rw-rw-r--,
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If I fork someone else's private Github repo into my account, is it going to appear in my account as
Someone gave me access to one of their private repo on Github. What I want to do is to fork that project into my own account, so I could make use of Github's pull request feature.
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How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
...se Ctrl+K, Ctrl+D.
(for OS X: Cmd+K, Cmd+D)
Needs a bit of practice, but gets the job done!
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