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Please explain the exec() function and its family
What is the exec() function and its family? Why is this function used and how does its work?
7 Answers
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...do this I'm using jQuery's click() function. I have used $().trigger() and window.location also, and I can make it work as intended with all three.
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In a Git repository, how to properly rename a directory?
... to copy the directory to be renamed to a new directory with desired name, and delete the old directory , and git add , git commit and push everything. But is this the best way?
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FFMPEG (libx264) “height not divisible by 2”
...not want to scale the video is:
-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Command:
ffmpeg -r 24 -i frame_%05d.jpg -vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up t...
How to remove unused C/C++ symbols with GCC and ld?
I need to optimize the size of my executable severely ( ARM development) and
I noticed that in my current build scheme ( gcc + ld ) unused symbols are not getting stripped.
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Efficient way to determine number of digits in an integer
...1; if (x < 100) return 2; etc., so that the function will do less tests and exit faster.
– squelart
Sep 28 '09 at 23:44
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Can the Android layout folder contain subfolders?
...ng every XML layout file inside the 'res/layout' folder, so it is feasible and simple to manage small projects, but when there is a case of large and heavy projects, then there should be a hierarchy and sub-folders needed inside the layout folder.
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Could not load type from assembly error
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VS.NET will list the path to the assembly you select and reflector will open the right assembly but when the application executes the .NET runtime will load the GAC'd assembly.
– Eric Schoonover
Sep 24 '08 at 6:13
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What exactly is Apache Camel?
I don't understand what exactly Camel does.
23 Answers
23
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Parsing command-line arguments in C?
... by word, or character by character in C. It has to be able to read in command line options -l -w -i or -- ...
12 Answers
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