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MySQL get row position in ORDER BY
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120
Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
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Coalesce function for PHP?
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194
There is a new operator in php 5.3 which does this: ?:
// A
echo 'A' ?: 'B';
// B
echo '' ?...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
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153
I think when the type is very well-known amongst the co-programmers who work (or would work) i...
Where does Visual Studio look for C++ header files?
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114
Visual Studio looks for headers in this order:
In the current source directory.
In the Addit...
Summarizing multiple columns with dplyr? [duplicate]
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#> <int> <dbl> <dbl> <dbl> <dbl>
#> 1 1 3.08 2.98 2.98 2.91
#> 2 2 3.03 3.04 2.97 2.87
#> 3 3 2.85 2.95 2.95 3.06
If you want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrl...
How to Customize a Progress Bar In Android
...t;shape>
<gradient
android:startColor="#000001"
android:centerColor="#0b131e"
android:centerY="1.0"
android:endColor="#0d1522"
android:angle="270"
/>
</shape>
</item>
<!-...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
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14 Answers
14
Active
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How to set up a cron job to run an executable every hour?
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159
0 * * * * cd folder_containing_exe && ./exe_name
should work unless there is somethi...
JavaScript, Node.js: is Array.forEach asynchronous?
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10 Answers
10
Active
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
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edited Mar 5 '18 at 18:03
Brian Burns
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