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How to set default vim colorscheme
...grade of Ubuntu made my vim colorscheme unusable. I know how to set it manually ( :colo evening , for example), but I want to set the default for all vim sessions. I see reference in other places to .vimrc , but the right location and syntax have eluded me thus far.
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count(*) vs count(column-name) - which is more correct? [duplicate]
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COUNT(*) counts all rows
COUNT(column) counts non-NULLs only
COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
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Xcode 'Build and Archive' menu item disabled
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All you need to do is create an Executable File in your project folder... If you start with a fresh project there are NO executable projects, only what you create, be it a .cpp or a .m you need an executable in the folder.
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Meaning of ffmpeg output (tbc, tbn, tbr) [closed]
I am using ffmpeg to tell me video info. Specifically:
1 Answer
1
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bash string equality [duplicate]
...le, I assume). See here, for example.
You could double-check just to be really sure or just for your interest by looking at the bash source code, should be somewhere in the parsing code there, but I couldn't find it straightaway.
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Serialize object to query string in JavaScript/jQuery [duplicate]
...find information on how to serialize an object to query string format, but all my searches are drowning in results on how to go the other way (string/form/whatever to JSON).
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Visual Studio keyboard shortcut to display IntelliSense
...05 and Visual Studio 2008 to display the IntelliSense box if one accidentally hits ESC and wants the box come back again?
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What is $@ in Bash? [duplicate]
I reckon that the handle $@ in a shell script is an array of all arguments given to the script. Is this true?
2 Answers
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What does preceding a string literal with “r” mean? [duplicate]
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The r means that the string is to be treated as a raw string, which means all escape codes will be ignored.
For an example:
'\n' will be treated as a newline character, while r'\n' will be treated as the characters \ followed by n.
When an 'r' or 'R' prefix is present,
a character following...
How to create empty folder in java? [duplicate]
...dia.net/java/beginners/java-create-directory.shtml
// Create a directory; all non-existent ancestor directories are
// automatically created
success = (new File("../potentially/long/pathname/without/all/dirs")).mkdirs();
if (!success) {
// Directory creation failed
}
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