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How to read from a file or STDIN in Bash?
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15 Answers
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Commenting multiple lines in DOS batch file
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You can use a goto to skip over code.
goto comment
...skip this...
:comment
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Automatically update version number
... Visual Studio (2005/2008). I have tried to specify the AssemblyVersion as 1.0.* but it doesn't get me exactly what I want.
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
Is it guaranteed that False == 0 and True == 1 , in Python (assuming that they are not reassigned by the user)? For instance, is it in any way guaranteed that the following code will always produce the same results, whatever the version of Python (both existing and, likely, future ones)?
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...unt. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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How to get first character of string?
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16 Answers
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How can I get query string values in JavaScript?
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How to add new item to hash
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Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
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Asterisk in function call
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* is the "splat" operator: It takes a list as input, and expands it into actual positional arg...
Validate that a string is a positive integer
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13 Answers
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