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Get ffmpeg information in friendly way
...
Another usage of ffprobe which is nicely parseable:
ffprobe -v error -select_streams v:0 -show_entries stream=width,height,r_frame_rate,bit_rate,codec_name,duration -of csv=p=0:s=x video.mp4
results in:
h264x600x480x25/1x385.680000x542326
-select_streams v:0 selects only the video st...
Table Header Views in StoryBoards
...le view? I tried blindly implementing viewForHeaderInSection: and I got an error saying "Unable to simultaneously satisfy constraints". (See my question here: stackoverflow.com/questions/14554051/…)
– ryanrhee
Jan 28 '13 at 7:40
...
Can git operate in “silent mode”?
... The purpose is to remove informational messages, but still display errors. I haven't studied how well-behaved is git concerning what goes to stdout and what goes to stderr, but redirecting both smells like a very bad idea.
– Johan Boulé
Apr 18 '19 at 1...
Can I run multiple programs in a Docker container?
...un
# more than one service in a container. The container will exit with an error
# if it detects that either of the processes has exited.
# Otherwise it will loop forever, waking up every 60 seconds
while /bin/true; do
ps aux |grep my_first_process |grep -q -v grep
PROCESS_1_STATUS=$?
ps aux ...
In .NET, which loop runs faster, 'for' or 'foreach'?
...dition you need to check, etc. How many times have you seen an off-by-one error in a "foreach" loop?
– tster
Dec 3 '09 at 15:45
35
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Continuously read from STDOUT of external process in Ruby
...out.each { |line| print line }
rescue Errno::EIO
puts "Errno:EIO error, but this probably just means " +
"that the process has finished giving output"
end
end
rescue PTY::ChildExited
puts "The child process exited!"
end
And here's the long answer, with way too many de...
nodejs require inside TypeScript file
...s:
npm install --save-dev @types/node
Not only will it fix the compiler error, it will also add the definitions of the Node API to your IDE.
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Is main() really start of a C++ program?
...control over initialization order, you have no control over initialization errors: you can't catch exceptions at a global scope.
– André Caron
Mar 12 '11 at 20:24
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Unnamed/anonymous namespaces vs. static functions
...ifferent translation units. This might cause "multiple definitions" linker error down the line.
– Alex
Feb 28 '19 at 14:47
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How to use LINQ to select object with minimum or maximum property value
... the class of the instances does not implement IComparable, then a runtime error will be thrown:
At least one object must implement IComparable
Luckily, this can still be fixed rather cleanly. The idea is to associate a distanct "ID" with each entry that serves as the unambiguous tie-breaker. We c...
