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How to select date without time in SQL
When I select date in SQL it is returned as 2011-02-25 21:17:33.933 . But I need only the Date part, that is 2011-02-25 . How can I do this?
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Is HttpClient safe to use concurrently?
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edited Feb 16 '17 at 15:36
Peter Ritchie
32.5k99 gold badges7373 silver badges9393 bronze badges
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What is the reason behind cbegin/cend?
...takes it's parameters as int &, C++ will issue a compiler error.
C++17 has a more elegant solution to this problem: std::as_const. Well, at least it's elegant when using range-based for:
for(auto &item : std::as_const(vec))
This simply returns a const& to the object it is provided....
Copy a variable's value into another
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edited Sep 17 '13 at 15:44
answered Sep 17 '13 at 7:19
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Why use try {} finally {} with an empty try block?
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174
From http://blog.somecreativity.com/2008/04/10/the-empty-try-block-mystery/:
This methodol...
Paste multiple times
...it again.
– Amjith
Aug 23 '11 at 21:17
@SibbsGambling, probably using a version prior to Vim 7? Then either upgrade Vi...
npm windows install globally results in npm ERR! extraneous
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– Kyle Robinson Young
Mar 28 '14 at 17:38
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If you have extraneous libraries saved locally (not g...
How to get arguments with flags in Bash
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Flexo♦Flexo
79.5k2222 gold badges173173 silver badges253253 bronze badges
4
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Subclassing a Java Builder class
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170
You can solve it using generics. I think this is called the "Curiously recurring generic patte...
Normalize data in pandas
...4926 -0.650963 0.256714
C -0.158129 0.605652 -0.035090 -0.573389
D 0.536170 -0.376229 0.349037 0.426611
In [95]: df_norm.mean()
Out[95]:
a -2.081668e-17
b 4.857226e-17
c 1.734723e-17
d -1.040834e-17
In [96]: df_norm.max() - df_norm.min()
Out[96]:
a 1
b 1
c 1
d 1
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