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Extract a dplyr tbl column as a vector
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answered Jun 14 '17 at 10:49
Lorenz WalthertLorenz Walthert
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Why isn't String.Empty a constant?
...ll, const fields are static members (not instance members).
Check section 10.4 Constants of the C# language specification.
Even though constants are considered
static members, a constant-declaration
neither requires nor allows a static
modifier.
If public const members are static, one c...
How to handle multiple cookies with the same name?
...an’t be sure which one will be sent back.
Edit: this information from 2010 appears to be outdated, it seems browsers can now send multiple cookies in return, see answer by @Nate below for details
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Advantages of Binary Search Trees over Hash Tables
...han they need to.
For instance, if a hash function has a range R(h) = 0...100, then you need to allocate an array of 100 (pointers-to) elements, even if you are just hashing 20 elements. If you were to use a binary search tree to store the same information, you would only allocate as much space as ...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
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For those who come here for 10.11 you can't symlink to usr/lib anymore but a symlink to usr/local/lib will work: sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/lib/libmysqlclient.18.dylib
– JonathanSimmons
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How to change color of Android ListView separator line?
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answered Mar 3 '10 at 15:45
JeremyFromEarthJeremyFromEarth
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Clustered vs Non-Clustered
... diffrence is the index
INDEXES - clustered vs nonclustered
891 rows
10 sec
NONCLUSTERED
OR
891 rows
14 sec
CLUSTERED
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How to check for an undefined or null variable in JavaScript?
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answered Apr 1 '10 at 9:54
user187291user187291
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How to get a group of toggle buttons to act like radio buttons in WPF?
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answered Mar 2 '10 at 16:41
Bryan AndersonBryan Anderson
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Difference between Repository and Service Layer?
... StepUp
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answered Feb 19 '11 at 7:16
LukLedLukLed
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