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Meaning of $? (dollar question mark) in shell scripts
...executed command.
For example the command true always returns a status of 0 and false always returns a status of 1:
true
echo $? # echoes 0
false
echo $? # echoes 1
From the manual: (acessible by calling man bash in your shell)
$? Expands to the exit status of the most recen...
How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
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Is \d not supported by grep's basic expressions?
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rogerdpack
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answered Aug 1 '11 at 16:08
DaenythDaenyth
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.NET JIT potential error?
...o, and running the release outside Visual Studio. I'm using Visual Studio 2008 and targeting .NET 3.5. I've also tried .NET 3.5 SP1.
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Cross browser JavaScript (not jQuery…) scroll to top animation
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Reload Flask app when template file changes
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10 Answers
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Angularjs Template Default Value if Binding Null / Undefined (With Filter)
... edited Mar 11 '14 at 21:41
0xcaff
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answered May 13 '13 at 13:27
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Why use softmax as opposed to standard normalization?
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170
There is one nice attribute of Softmax as compared with standard normalisation.
It react to lo...
Creating range in JavaScript - strange syntax
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+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.app...
Setting Short Value Java
...a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable?
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