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“use database_name” command in PostgreSQL
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When you get a connection to PostgreSQL it is always to a particular database. To access a di...
Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.
...ocessor was doing to also emulate the ARM instruction set.
At Android 4.0.3 (API 15) Intel provided their own x86 based Android system image. This could then be used to create AVDs that did not need to do ARM translation. Combined with the Intel Hardware Accelerated Execution Manager (HAXM) the x86...
Applying function with multiple arguments to create a new pandas column
...gt;>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary function ...
LINQ OrderBy versus ThenBy
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edited Jun 3 at 18:41
ThatShawGuy
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location.host vs location.hostname and cross-browser compatibility?
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answered Jul 8 '12 at 0:35
abernierabernier
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How to use querySelectorAll only for elements that have a specific attribute set?
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How to create our own Listener interface in android?
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edited Jul 31 '18 at 20:53
Abِ
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How to crop an image using PIL?
I want to crop image in the way by removing first 30 rows and last 30 rows from the given image. I have searched but did not get the exact solution. Does somebody have some suggestions?
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Daemon Threads Explanation
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answered Oct 10 '08 at 3:27
Chris Jester-YoungChris Jester-Young
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What are some uses of decltype(auto)?
...ou can also use decltype(auto) in other contexts, e.g. the draft Standard N3936 also states
7.1.6.4 auto specifier [dcl.spec.auto]
1 The auto and decltype(auto) type-specifiers designate a placeholder
type that will be replaced later, either by deduction from an
initializer or by explicit...