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. ...

... 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 ...

...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...

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...

...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...

...E: 8/14/2017 - This answer is totally outdated.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://...

...een there and done that. It was a lot easier about 10 years ago than it is now, but if you have a phenomenal amount of time, money and patience available, it is still possible. You will need to contact an acquiring bank. You didnt say what region of the world you are in, but by this I dont mean a ...

I am just now learning about function pointers and, as I was reading the K&R chapter on the subject, the first thing that hit me was, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this compari...

...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...

... 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...