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String concatenation in MySQL
...ators.
– DonBecker
Mar 21 '13 at 18:06
28
Beware this is not entirely true: MySQL does support ||...
How do I make Git treat a file as binary?
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answered Jun 22 '12 at 18:50
Michael WildMichael Wild
20.4k33 gold badges3636 silver badges3939 bronze badges
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Is inject the same thing as reduce in ruby?
... |
edited May 9 '14 at 7:03
answered Dec 11 '12 at 3:44
Za...
json.dumps vs flask.jsonify
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answered Nov 1 '12 at 7:20
Kenneth WilkeKenneth Wilke
3,96111 gold badge1212 silver badges77 bronze badges
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Does a finally block run even if you throw a new Exception?
... the try-catch-finally block is killed or interrupted
You use System.exit(0);
The underlying VM is destroyed in some other way
The underlying hardware is unusable in some way
Additionally, if a method in your finally block throws an uncaught exception, then nothing after that will be executed (i....
Unique combination of all elements from two (or more) vectors
...aybe what you are after
> expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 AB...
What is the !! (not not) operator in JavaScript?
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Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
Real W...
How to use chrome web inspector to view hover code
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answered Jul 21 '11 at 15:30
Travis NorthcuttTravis Northcutt
22.5k88 gold badges3636 silver badges5050 bronze badges
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compilation warning: no rule to process file for architecture i386
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30
Because this is the list of source files that will be compiled, and normally you have already included <file>.h inside your <file&g...
Get file size, image width and height before upload
... sources will be a URL representing the Blob object
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif...