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What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
Every time I run this command rails server :
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Remove all the elements that occur in one list from another
Let's say I have two lists, l1 and l2 . I want to perform l1 - l2 , which returns all elements of l1 not in l2 .
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How to fix getImageData() error The canvas has been tainted by cross-origin data?
...com to hoover up images from the remote dropbox image url, into my canvas, and then submit the image data back into my server. All in javascript
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How do I break out of a loop in Scala?
...> sum+=i)
(warning--this depends on details of how the takeWhile test and the foreach are interleaved during evaluation, and probably shouldn't be used in practice!).
(1b) Use tail recursion instead of a for loop, taking advantage of how easy it is to write a new method in Scala:
var sum = 0
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UITapGestureRecognizer - single tap and double tap
...am trying to add 2 UITapGestureRecognizers to a view, one for single tap and one for double tap events. The single tap recognizer is working as expected (on its own). But I don't seem to be able to get the double tap recognizer working.
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Use PHP to create, edit and delete crontab jobs?
Is it possible to use PHP to create, edit and delete crontab jobs?
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NUnit isn't running Visual Studio 2010 code
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I've downloaded the NUnit 2.5 source and opened the VS2008 solution in the VS2010 beta. Once the conversion finished I opened all the projects and changed the target framework setting for all the projects to ".NET Framework 4.0". I then built the solution withou...
How to Find And Replace Text In A File With C#
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@Banshee Touche' I just tried to read 9,000,000 rows and was thrown a System out of memory exception.
– Squ1rr3lz
Aug 6 '15 at 0:22
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Continuously read from STDOUT of external process in Ruby
I want to run blender from the command line through a ruby script, which will then process the output given by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read.
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