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Validate that a string is a positive integer
...se
" " : false
"" : false
DEMO: http://jsfiddle.net/5UCy4/37/
Solution 2
Another way is good for all numeric values which are valid up to Number.MAX_VALUE, i.e. to about 1.7976931348623157e+308:
function isPositiveInteger(n) {
return 0 === n % (!is...
How to pass in password to pg_dump?
I'm trying to create a cronjob to back up my database every night before something catastrophic happens. It looks like this command should meet my needs:
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How to install an APK file on an Android phone?
I have a simple "Hello Android" application on my computer ( Eclipse environment), and I have built an APK file. How do I transfer the APK file to my Android phone for testing?
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How can I tell how many objects I've stored in an S3 bucket?
Unless I'm missing something, it seems that none of the APIs I've looked at will tell you how many objects are in an S3 bucket / folder(prefix). Is there any way to get a count?
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Generate a heatmap in MatPlotLib using a scatter data set
I have a set of X,Y data points (about 10k) that are easy to plot as a scatter plot but that I would like to represent as a heatmap.
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Can I have onScrollListener for a ScrollView?
I am using a HorizontalScrollView in a layout and I need to identify the user have reached the start and end point of the scroll.
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How to include *.so library in Android Studio?
...code requires just sync your project and run your application.
Reference
https://github.com/commonsguy/sqlcipher-gradle/tree/master/src/main
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Binding arrow keys in JS/jQuery
...', function() { console.log('left'); });
Checkout the library here => http://robertwhurst.github.com/KeyboardJ
Default value in Doctrine
...put field values are blank, then it will set the Entity property to null.
http://symfony.com/doc/current/book/forms.html#handling-form-submissions
My Workaround
Set the default value on your controller after form->handleRequest() inside your form->isValid() method:
...
if ($myEntity->ge...
Modify UIImage renderingMode from a storyboard/xib file
...ix .xib issues with an extension:
import UIKit
// fixing Bug in XCode
// http://openradar.appspot.com/18448072
extension UIImageView {
override open func awakeFromNib() {
super.awakeFromNib()
self.tintColorDidChange()
}
}
Source: https://gist.github.com/buechner/3b97000a6...