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How to create a video from images with FFmpeg?
...f you encounter problems, such as the first image is skipped or only shows for one frame, then use the fps video filter instead of -r for the output framerate
ffmpeg -r 1/5 -i img%03d.png -c:v libx264 -vf fps=25 -pix_fmt yuv420p out.mp4
Alternatively the format video filter can be added to th...
How do I get list of methods in a Python class?
...utine might be a more appropriate predicate; inspect.ismethod doesn't work for all objects' methods.
– Gavin S. Yancey
Jul 14 '17 at 22:40
2
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Eclipse returns error message “Java was started but returned exit code = 1”
...ing (noting the new line):
/!\ make sure, that the -vm option occurs before the -vmargs command.
Everything after -vmargs is passed directly to the JVM.
-vm
c:/wherever/java/jdk1.6.0_21/jre/bin/server/jvm.dll
-vmargs...
...to your eclipse.ini file, pointing to the JDK you want to use, a...
Getting MAC Address
I need a cross platform method of determining the MAC address of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing ...
What is the instanceof operator in JavaScript?
...xplanation.
When you declare a variable you give it a specific type.
For instance:
int i;
float f;
Customer c;
The above show you some variables, namely i, f, and c. The types are integer, float and a user defined Customer data type. Types such as the above could be for any language, not ju...
How to convert an enum type variable to a string?
... to make printf to show the values of variables which are of an enum type? For instance:
33 Answers
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How do you round to 1 decimal place in Javascript?
...1 d.p.
// NOTE: .toFixed() returns a string!
// To convert back to number format
parseFloat(number.toFixed(2))
// 12.34
// but that will not retain any trailing zeros
// So, just make sure it is the last step before output,
// and use a number format during calculations!
EDIT: Add round with pre...
What is the _references.js used for?
What is the _references.js file used for in a new ASP.NET MVC 4 project?
2 Answers
2
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Using module 'subprocess' with timeout
...rocess timeout support exists in the subprocess32 backport that I maintain for use on Python 2. pypi.python.org/pypi/subprocess32
– gps
Dec 9 '12 at 4:07
...
Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
...
The regular expression for this is really simple. Just use a character class. The hyphen is a special character in character classes, so it needs to be first:
/[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/
You also need to escape the other reg...