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How to check if a string is a valid hex color representation?
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287
/^#[0-9A-F]{6}$/i.test('#AABBCC')
To elaborate:
^ -> match beginning
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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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How to save all the variables in the current python session?
...option is to use the 'pickle' module. However, I don't want to do this for 2 reasons:
7 Answers
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Check if object is file-like in Python
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edited Aug 10 '10 at 20:34
answered Nov 2 '09 at 13:29
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How to efficiently build a tree from a flat structure?
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123
Store IDs of the objects in a hash table mapping to the specific object. Enumerate through all ...
Why do most fields (class members) in Android tutorial start with `m`?
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answered Aug 16 '11 at 2:09
xiaobing.zhaoxiaobing.zhao
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Automatically remove Subversion unversioned files
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32 Answers
32
Active
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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...
Check if URL has certain string with PHP
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228
Try something like this. The first row builds your URL and the rest check if it contains the w...