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What is a columnar database?
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49
How do Columnar Databases work?
Columnar database is a concept rather a particular architecture...
I do not want to inherit the child opacity from the parent in CSS
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14 Answers
14
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Link to “pin it” on pinterest without generating a button
...ugene Manuilov
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answered Jun 26 '12 at 16:52
Mike KibbelMike Kibbel
1,91611...
Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g flag for the ex...
Check play state of AVPlayer
...Apple:
// Assume a property: @property (retain) id playerObserver;
Float64 durationSeconds = CMTimeGetSeconds([<#An asset#> duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1);
NSArray *times = ...
Modelling an elevator using Object-Oriented Analysis and Design [closed]
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answered Jan 29 '09 at 20:48
Toon KrijtheToon Krijthe
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Best approach to remove time part of datetime in SQL Server
... Sep 2018, for datetime2
DECLARE @datetime2value datetime2 = '02180912 11:45' --this is deliberately within datetime2, year 0218
DECLARE @datetime2epoch datetime2 = '19000101'
select DATEADD(dd, DATEDIFF(dd, @datetime2epoch, @datetime2value), @datetime2epoch)
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How do I create multiple submit buttons for the same form in Rails?
... buttons.
– Anurag
Jun 12 '10 at 16:42
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Does JavaScript have a built in stringbuilder class?
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answered Jan 18 '10 at 16:42
Fabian JakobsFabian Jakobs
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Highlight the difference between two strings in PHP
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You were able to use the PHP Horde_Text_Diff package.
However this package is no longer availab...