..., you might have a playbook something like this: - hosts: all vars_files: - secret tasks: - name: Do something as sudo service: name=nginx state=restarted sudo: yes Here we are including a file called secret which will contain our sudo password. We will use ansible...

...rce of input or target of output has a number associated with it called a "file descriptor", or "fd" for short. Every running program ("process") has its own set of these, and when a new process starts up it has three of them already open: "standard input", which is fd 0, is open for the process to ...

Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)? 11 Answ...

Is there a function to extract the extension from a filename? 24 Answers 24 ...

...t's improved, however, is still a matter of debate. #import ensures that a file is only ever included once so that you never have a problem with recursive includes. However, most decent header files protect themselves against this anyway, so it's not really that much of a benefit. Basically, it's u...

...nce and readability). I based both on a UIView. In the XIB, I changed the "File's Owner" class to SomeView (in the identity inspector). I created a UIView outlet in SomeView.swift, linking it to the top level view in the XIB file (named it "view" for convenience). I then added other outlets to other...

... You should not do that for JavaScript files if you care about performance or IE9 compatibility. GitHub doesn't serve its "raw" files with a far-future expires header. Without the possibility of cross-site caching, you lose the biggest benefit of using a public ...

... cost of a select call goes roughly with the value of the highest numbered file descriptor you pass it. If you select on a single fd, 100, then that's roughly twice as expensive as selecting on a single fd, 50. Adding more fds below the highest isn't quite free, so it's a little more complicated t...

I have a bunch of .keystore files and need to find one with specific CN and alias. Is there a way to do it with keytool, jarsigner or some other tool? I found a way to check if specific keystore was used to sign a specific apk, but I also need to get the alias and certificate name in each of the fil...

I have already created an SQLite database. I want to use this database file with my Android project. I want to bundle this database with my application. ...