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How to add lines to end of file on Linux
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This does not work when in a sudo environment writing to a system file. You cannot sudo >>. Otherwise, it works fine.
– Dennis
Mar 29 '15 at 21:50
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Serializing an object to JSON
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You're looking for JSON.stringify().
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How to Decrease Image Brightness in CSS
...all I've got is about how to change the opacity, but that makes the image more bright.
can anyone help me ?
11 Answers
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How does Rails keep track of which migrations have run for a database?
According to Rails doc: http://guides.rubyonrails.org/migrations.html
1 Answer
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How can I put a database under git (version control)?
I'm doing a web app, and I need to make a branch for some major changes, the thing is, these changes require changes to the database schema, so I'd like to put the entire database under git as well.
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pdftk compression option
...I had the same problem and found two different solutions (see this thread for more details). Both reduced the size of my uncompressed PDF dramatically.
Pixelated (lossy):
convert input.pdf -compress Zip output.pdf
Unpixelated (lossless, but may display slightly differently):
gs -sDEVICE=pdfwri...
Restart/undo conflict resolution in a single file
In a larger git merge with several conflicting files, I incorrectly marked a file as resolved (using git add FILE after some editing)
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How to concatenate two MP4 files using FFmpeg?
...files are h264 and aac encoded and I'm hoping to keep the quality the same or as close to original as possible.
21 Answers
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How to convert from System.Enum to base integer?
I'd like to create a generic method for converting any System.Enum derived type to its corresponding integer value, without casting and preferably without parsing a string.
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Are typedef and #define the same in c?
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No.
#define is a preprocessor token: the compiler itself will never see it.
typedef is a compiler token: the preprocessor does not care about it.
You can use one or the other to achieve the same effect, but it's better to use the proper one for your n...