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How to handle code when app is killed by swiping in android?
If my app is running and i press home button, the app goes in background. Now if a long press the home button and kill the app by swiping it from the recent app list, none of the events like onPause() , onStop() or onDestroy() gets called rather the process is terminated. So if i want my servic...
Make function wait until element exists
...on of MutationObserver.
EDIT: All major browsers support MutationObserver now.
Something along the lines of this should do the trick:
// callback executed when canvas was found
function handleCanvas(canvas) { ... }
// set up the mutation observer
var observer = new MutationObserver(function (mut...
Best practice multi language website
I've been struggling with this question for quite some months now, but I haven't been in a situation that I needed to explore all possible options before. Right now, I feel like it's time to get to know the possibilities and create my own personal preference to use in my upcoming projects.
...
What is JSON and why would I use it?
...ipt object you must first parse it, var x = JSON.parse('{"x":"y"}');, x is now an object but this is not JSON anymore.
See Javascript object Vs JSON
When working with JSON and JavaScript, you may be tempted to use the eval function to evaluate the result returned in the callback, but this is not...
Code coverage for Jest
...E: 8/14/2017 - This answer is totally outdated. Just look at the Jest docs now. They have official support and documentation about how to do this.
@hankhsiao has got a forked repo where Istanbul is working with Jest. Add this to your dev dependencies
"devDependencies": {
"jest-cli": "git://...
What is Rack middleware?
... rackspace. The reason the term 'rack middleware' is confusing, as we all know, is because it was Confucius that wrote all the original rack middleware, more than 2000 years ago. In France.
– LpLrich
Mar 10 '15 at 17:59
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DynamoDB vs MongoDB NoSQL [closed]
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I know this is old, but it still comes up when you search for the comparison. We were using Mongo, have moved almost entirely to Dynamo, which is our first choice now. Not because it has more features, it doesn't. Mongo has a be...
Postgresql - unable to drop database because of some auto connections to DB
...tever was trying to auto-connect should no longer be able to do so.
You'll now be able to drop the DB.
This won't work if you're using superuser connections for normal operations, but if you're doing that you need to fix that problem first.
After you're done dropping the database, if you create the...
JUnit: how to avoid “no runnable methods” in test utils classes
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That kind of irritated me.
So I made BaseTixContainerTest abstract, and now JUnit truly ignores it.
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0
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How can I get the current stack trace in Java?
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@MightyE The bug is now reported as closed as fixed in Java 6. Looking at the internals, it looks like it now does (new Exception()).getStackTrace() when the requested stack trace is on the current thread (which will always be the case for Thre...