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Is there an easy way to return a string repeated X number of times?
...t a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example:
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Running multiple commands with xargs
In the example above, xargs takes echo % as the command argument. But in some cases, I need multiple commands to process the argument instead of one. For example:
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Textarea onchange detection
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You will need to use onkeyup and onchange for this. The onchange will prevent context-menu pasting, and the onkeyup will fire for every keystroke.
See my answer on How to impose maxlength on textArea for a code sample.
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difference between foldLeft and reduceLeft in Scala
I have learned the basic difference between foldLeft and reduceLeft
7 Answers
7
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Visual Studio debugger - Displaying integer values in Hex
I'm using Visual Studio 2008 and I have just noticed that the debugger is displaying integer values as Hex when I hover over variables and also in the immediate window. I guess I must have hit a shortcut key accidently or something.
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What are the security risks of setting Access-Control-Allow-Origin?
...n. This basically means that any site can send an XHR request to your site and access the server’s response which would not be the case if you hadn’t implemented this CORS response.
So any site can make a request to your site on behalf of their visitors and process its response. If you have som...
IE7 Z-Index Layering Issues
...'re specifying it relative to other elements in the same stacking context, and although the CSS spec's paragraph on Z-index says a new stacking context is only created for positioned content with a z-index other than auto (meaning your entire document should be a single stacking context), you did co...
Java integer to byte array
...see your point, but for this particular task 'my' code is more declarative and clear than some 'magic' ByteBuffer, which one has to check to see what it does.
– Grzegorz Oledzki
Feb 2 '10 at 20:50
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How can I find out the current route in Rails?
...ent_uri as "/my/test/path"
To find out the route i.e. controller, action and params:
path = ActionController::Routing::Routes.recognize_path "/your/path/here/"
# ...or newer Rails versions:
#
path = Rails.application.routes.recognize_path('/your/path/here')
controller = path[:controller]
action...
What is the best way to remove a table row with jQuery?
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Yeah, I was assuming the row has an ID and you have the ID :)
– Darryl Hein
Oct 4 '08 at 21:14
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