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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...
Using .text() to retrieve only text not nested in child tags
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How to find/remove unused dependencies in Gradle
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+50
UPDATE: 28-06-2016: Android support to unused-dependency
In June, 2017, they have released the 4.0.0 version
and renamed the roo...
string sanitizer for filename
... you are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe.
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Using build types in Gradle to run same app that uses ContentProvider on one device
...ing it.
First of all at the moment I am working with:
Android Studio Beta 0.8.2
Gradle plugin 0.12.+
Gradle 1.12
My goal is to run Debug version along with Release version on the same device using the same ContentProvider.
In build.gradle of your app set suffix for Debug build:
buildTypes {
d...
IE9 border-radius and background gradient bleeding
...d does not require wrapping with additional elements.
I grabbed a random 20x20 gradient PNG via a web search, and converted it into a data URI using an online tool. The resulting data URI is smaller than the CSS code for all that SVG mess, much less the SVG itself! (You could apply this condition...
How to pull a random record using Django's ORM?
... self.aggregate(count=Count('id'))['count']
random_index = randint(0, count - 1)
return self.all()[random_index]
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Updating version numbers of modules in a multi-module Maven project
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Why is string concatenation faster than array join?
...e first browser to optimize string concatenation. Beginning with version 1.0, the array technique is actually slower than using the plus operator in all cases. Other browsers have also optimized string concatenation, so Safari, Opera, Chrome, and Internet Explorer 8 also show better performance usin...
Format bytes to kilobytes, megabytes, gigabytes
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function formatBytes($bytes, $precision = 2) {
$units = array('B', 'KB', 'MB', 'GB', 'TB');...