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Why start a shell command with a backslash?
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answered Mar 28 '13 at 20:59
John KugelmanJohn Kugelman
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How to change a command line argument in Bash?
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You have to reset all arguments. To change e.g. $3:
$ set -- "${@:1:2}" "new" "${@:4}"
Basically you set all arguments to their current values, except for the one(s) that you want to change. set -- is also specified by POSIX 7.
The "${@:1:2}" notation is expanded to the...
Ruby Metaprogramming: dynamic instance variable names
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edited Feb 6 '13 at 4:22
amacy
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answered Jul 19 '11 at 2...
What is the difference between svg's x and dx attribute?
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answered Oct 1 '13 at 22:52
Scott CameronScott Cameron
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JUnit 4 Test Suites
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edited Sep 13 '12 at 14:08
Anton Holmberg
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How do you create optional arguments in php?
...your definition of the parameters:
function dosomething($var1, $var2, $var3 = 'somevalue'){
// Rest of function here...
}
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Rails 4: before_filter vs. before_action
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523
As we can see in ActionController::Base, before_action is just a new syntax for before_filter.
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Xcode variables
... Ben Flynn
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answered May 21 '09 at 17:17
smorgansmorgan
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Initialize a long in Java
...imitive Data Types - oracle doc says the range of long in Java is -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 .
But when I do something like this in my eclipse
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CSS selector with period in ID
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edited Nov 13 '13 at 20:35
answered Sep 7 '12 at 0:12
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