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Appending a line to a file only if it does not already exist
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298
Just keep it simple :)
grep + echo should suffice:
grep -qxF 'include "/configs/projectnam...
Composer killed while updating
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answered Dec 20 '13 at 8:29
AndreasAndreas
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System.currentTimeMillis vs System.nanoTime
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324
If you're just looking for extremely precise measurements of elapsed time, use System.nanoTime(...
What's the $unwind operator in MongoDB?
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242
First off, welcome to MongoDB!
The thing to remember is that MongoDB employs an "NoSQL" appr...
Class does not implement its superclass's required members
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127
From an Apple employee on the Developer Forums:
"A way to declare to the compiler and the b...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
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waterproof
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answered Sep 29 '12 at 17:46
Ned BatchelderNed Bat...
schema builder laravel migrations unique on two columns
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288
The second param is to manually set the name of the unique index. Use an array as the first pa...
Get Element value with minidom with Python
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edited Jun 16 '12 at 2:19
newbie
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Handling exceptions from Java ExecutorService tasks
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Change bundle identifier in Xcode when submitting my first app in IOS
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answered Sep 22 '12 at 18:40
neilvillarealneilvillareal
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