I'd like to load an image from a URL in my application, so I first tried with Objective-C and it worked, however, with Swift, I've a compilation error: ...

...racted requirement is an interesting one: How can I do a custom request mapping that does arbitrary evaluations of header values from the request without doing the evaluation in the method body? As described in this SO answer you actually can have the same @RequestMapping and use a different anno...

...ption to force the reboot. Otherwise your session may close and a stubborn app can hang the system. To force an immediate reboot: shutdown -t 0 -r -f. For a more friendly "give them some time" option, you can use this: shutdown -t 30 -r. The -f is implied by the timeout. (from proposed edit by Mateu...

I'm just getting started with my first Ruby on Rails webapp. I've got a bunch of different models, views, controllers, and so on. ...

When a PHP application makes a database connection it of course generally needs to pass a login and password. If I'm using a single, minimum-permission login for my application, then the PHP needs to know that login and password somewhere. What is the best way to secure that password? It seems like ...

... You get this error because you let a .NET exception happen on your server side, and you didn't catch and handle it, and didn't convert it to a SOAP fault, either. Now since the server side "bombed" out, the WCF runtime has "faulted" the channel - e.g. the communication link be...

...ctions a single Mongo instance (it's singleton so you usually have one per application) can establish to a mongod/mongos process. At time of writing the java driver will establish this amount of connections eventually even if the actual query throughput is low (in order words you will see the "conn"...

I'm making a Windows application, which you need to log into first. The account details consist of username and password, and they need to be saved locally. It's just a matter of security, so other people using the same computer can't see everyone's personal data. What is the best/most secur...

...rtant to distinguish between data being pulled from the Redux store vs the app's database vs a third party API. Getting this right will definitely help with readability in the future. The original developer used add for both writes to a database and writes to the Store. Now I'm trying to separate th...

...ctly inside your controllers or any complicated business logic units. By wrapping those low level outside communication services into smaller dedicated services, you make it much easier to "mock them away". What Karma does not do is running your site as it is, which is what End-to-End (E2E) testing...