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Check image width and height before upload with Javascript
...tiate the JavaScript Image object.
var image = new Image();
//Set the Base64 string return from FileReader as source.
image.src = e.target.result;
//Validate the File Height and Width.
image.onload = function () {
var height = this.height;
var width = this.width;
if (height > 100 || width...
Breaking out of a nested loop
...1
BCSBCS
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How to take all but the last element in a sequence using LINQ?
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I don't know a Linq solution - But you can easily code the algorithm by yourself using generato...
Why do you need to put #!/bin/bash at the beginning of a script file?
...ynkevitch
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How to keep the console window open in Visual C++?
...entleyJBentley
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How does a debugger work?
...Rosenfield
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Render HTML to an image
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@Subho it's a String containing the URL with base64-encoded data
– tsayen
Feb 14 '17 at 16:00
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show 14 more comme...
How to avoid warning when introducing NAs by coercion
...drieAndrie
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Changing Locale within the app itself
... was causing the activity to flash endlessly).
– imgx64
Jun 25 '14 at 7:12
1
This technique has g...
How to install a gem or update RubyGems if it fails with a permissions error
...ermissionError)
$ ruby -v
ruby 1.9.3p448 (2013-06-27 revision 41675) [x86_64-darwin12.4.0]
You typically should not need to preface a gem command with sudo. If you feel the need to do so, something is probably misconfigured.
For details about rbenv see the following:
https://github.com/sstephe...