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Get ffmpeg information in friendly way
...eed to tell ffprobe what information you want it to display (with the -show_format, -show_packets and -show_streams options) or it'll just give you blank output (like you mention in one of your comments).
For example, ffprobe -v quiet -print_format json -show_format -show_streams somefile.asf would...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
...ime it's executed:
var seq = EnumerableEx.Generate(
new Random(),
_ => true,
_ => _,
x => x.Next());
To see that new random samples show up every time, consider the following
seq.Zip(seq, Tuple.Create).Take(3).Dump();
which produces pairs in which the left and right ar...
Get underlying NSData from UIImage
...
NSData *rawData = (__bridge NSData *) CGDataProviderCopyData(CGImageGetDataProvider(image.CGImage));
– ZardozSpeaks
Aug 3 '19 at 19:00
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How to remove the first character of string in PHP?
...
Note that lrtim will remove all :::::. Sometimes this is not desired behavior.
– CoR
Nov 20 '13 at 14:02
5
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Exit codes in Python
...
What you're looking for in the script is calls to sys.exit(). The argument to that method is returned to the environment as the exit code.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code.
...
Website screenshots
...
Sure you can, but you'll need to render the page with something.
If you really want to only use php, I suggest you HTMLTOPS, which renders the page and outputs it in a ps file (ghostscript), then, convert it in a .jpg, .png, .pdf.. can be little slower with complex pages (and don't support all the ...
Path to MSBuild
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@O.R.Mapper Microsoft offers a project on GitHub for determining paths of Visual Studio 2017/msbuild 15.x instances. It is a single executable which can be used by your build software/scripts.
– Roi Danton
...
jQuery: more than one handler for same event
...
Both handlers will run, the jQuery event model allows multiple handlers on one element, therefore a later handler does not override an older handler.
The handlers will execute in the order in which they were bound.
...
HTTP 1.0 vs 1.1
...officially require a Host header, but it doesn't hurt to add one, and many applications (proxies) expect to see the Host header regardless of the protocol version.
Example:
GET / HTTP/1.1
Host: www.blahblahblahblah.com
This header is useful because it allows you to route a message through proxy ...
ZSH iterm2 increase number of lines history
...ration / options / tools / whatever, for the number of lines to remember.
Apparently you know your terminal emulator is iterm2.
Looking for iterm2 on the google will lead you to the official website, then go to 'Documentation', Ctrl+F 'number' and find
Scrollback lines
The number of lines of scro...