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performSelector may cause a leak because its selector is unknown
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Handling specific errors in JavaScript (think exceptions)
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163
To create custom exceptions, you can inherit from the Error object:
function SpecificError ()...
Rails migration for has_and_belongs_to_many join table
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edited Jun 19 '14 at 10:20
answered May 6 '11 at 22:18
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How to copy file from HDFS to the local file system
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edited Jan 14 '16 at 19:09
VeLKerr
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How to check if a file is a valid image file?
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CSS transition effect makes image blurry / moves image 1px, in Chrome?
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Does SQLAlchemy have an equivalent of Django's get_or_create?
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100
That's basically the way to do it, there is no shortcut readily available AFAIK.
You could ge...
View's getWidth() and getHeight() returns 0
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What's the best way to learn LISP? [closed]
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114
Try reading Practical Common Lisp, by Peter Seibel.
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mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
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answered Jan 24 '12 at 16:30
dcrostadcrosta
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