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What are all codecs and formats supported by FFmpeg?
...build of ffmpeg can vary due the version, how it was compiled, and if any external libraries, such as libx264, were supported during compilation.
Formats (muxers and demuxers):
List all formats:
ffmpeg -formats
Display options specific to, and information about, a particular muxer:
ffmpeg -h m...
How do you generate dynamic (parameterized) unit tests in python?
... parameterized
class TestSequence(unittest.TestCase):
@parameterized.expand([
["foo", "a", "a",],
["bar", "a", "b"],
["lee", "b", "b"],
])
def test_sequence(self, name, a, b):
self.assertEqual(a,b)
Which will generate the tests:
test_sequence_0_foo (__...
How would you make two s overlap?
...might approach it like so (CSS and HTML):
html,
body {
margin: 0px;
}
#logo {
position: absolute; /* Reposition logo from the natural layout */
left: 75px;
top: 0px;
width: 300px;
height: 200px;
z-index: 2;
}
#content {
margin-top: 100px; /* Provide buffer for logo...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...ite.com) in addition to all its subdomains can simply replace the regular expression in the first line with this one:
^(https?://(?:.+\.)?mywebsite\.com(?::\d{1,5})?)$.
Note: For spec compliance and correct caching behavior, ALWAYS add the Vary: Origin response header for CORS-enabled resources, e...
Viewing all `git diffs` with vimdiff
... vimdiff, using " Git Diff with Vimdiff " as a guide, and it's working as expected unless there are many files with changes.
...
Android Studio needs JDK 7 for Android-L mac
...m is, that it's giving me this error within my gradle file and I need to fix that.
6 Answers
...
invalid target release: 1.7
...
You need to set JAVA_HOME to your jdk7 home directory, for example on Microsoft Windows:
"C:\Program Files\Java\jdk1.7.0_40"
or on OS X:
/Library/Java/JavaVirtualMachines/jdk1.7.0_40.jdk/Contents/Home
...
What is `git diff --patience` for?
...t lines which serve as markers or signatures of important content in the text. It is still an LCS-based diff at its core, but with an important difference, as it only considers the longest common subsequence of the signature lines:
Find all lines which occur exactly once on both sides, then do long...
Sorting data based on second column of a file
...ile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
share
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imp...
What is the purpose of using -pedantic in GCC/G++ compiler?
...ble. However, in some
cases, the C and C++ standards specify that certain extensions are forbidden. Conforming compilers
such as gcc or g++ must issue a diagnostic when these extensions are encountered. For example,
the gcc compiler’s -pedantic option causes gcc to issue warnings in such cases. Us...