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MongoDB/Mongoose querying at a specific date?
...osts.find( //query today up to tonight
{"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}})
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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
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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...
What is http multipart request?
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IggyIggy
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Difference between CSS3 transitions' ease-in and ease-out
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edited Feb 12 '14 at 2:40
answered Mar 9 '12 at 15:03
Ry-...
How to allow keyboard focus of links in Firefox?
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+100
Ok, somebody explained this to me. It's a Mac problem. Mozilla is being true to operating system settings in Mac OS.
There are two d...
Is unsigned integer subtraction defined behavior?
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107
The result of a subtraction generating a negative number in an unsigned type is well-defined:
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Android webview & localStorage
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530
The following was missing:
settings.setDomStorageEnabled(true);
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