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Determine if a function exists in bash
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gaRex
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answered Sep 17 '08 at 18:00
JBBJBB
3,857...
Difference between Dictionary and Hashtable [duplicate]
...yping (and compile-time verification)
use without boxing
If you are .NET 2.0 or above, you should prefer Dictionary<TKey,TValue> (and the other generic collections)
A subtle but important difference is that Hashtable supports multiple reader threads with a single writer thread, while Dictio...
How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
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Update May 28th, 2017: This method is no longer supported by me and doesn't work anymore as far ...
Renaming projects in Xcode 4
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edited May 29 '11 at 6:28
answered Mar 24 '11 at 8:46
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Why does the expression 0 < 0 == 0 return False in Python?
Looking into Queue.py in Python 2.6, I found this construct that I found a bit strange:
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Automatically remove Subversion unversioned files
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32 Answers
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How to convert float to varchar in SQL Server
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251
Try using the STR() function.
SELECT STR(float_field, 25, 5)
STR() Function
Another note...
Include all existing fields and add new fields to document
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In 4.2+, you can use the $set aggregation pipeline operator which is nothing other than an alias to $addFieldsadded in 3.4
The $addFields stage is equivalent to a $project stage that explicitly specifies all existing fields i...
what exactly is device pixel ratio?
...s. For instance, the iPhone 4 and iPhone 4S report a device pixel ratio of 2, because the physical linear resolution is double the logical linear resolution.
Physical resolution: 960 x 640
Logical resolution: 480 x 320
The formula is:
Where:
is the physical linear resolution
and:
is the...