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How to convert Set to Array?
....forEach(v => array.push(v));
Previously, using the non-standard, and now deprecated array comprehension syntax:
let array = [v for (v of mySet)];
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Using an SSH keyfile with Fabric
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Another cool feature available as of Fabric 1.4 - Fabric now supports SSH configs.
If you already have all the SSH connection parameters in your ~/.ssh/config file, Fabric will natively support it, all you need to do is add:
env.use_ssh_config = True
at the beginning of your fa...
Can't update Macports (with Mac OS X Mavericks)
...s installed previously. Just launch XCODE and let it finish configuration. Now rerun port command and it should work properly.
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How to put a delay on AngularJS instant search?
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UPDATE
Now it's easier than ever (Angular 1.3), just add a debounce option on the model.
<input type="text" ng-model="searchStr" ng-model-options="{debounce: 1000}">
Updated plunker:
http://plnkr.co/edit/4V13gK
Documentatio...
How to print to console using swift playground?
...ln in Swift 2 beta) shows up there.
In earlier Xcode 6 versions (which by now you probably should be upgrading from anyway), show the Assistant editor (e.g. by clicking the little circle next to a bit in the output area). Console output appears there.
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“Application tried to present modally an active controller”?
...oller setViewControllers:[NSArray arrayWithObjects:vc1, vc2, vc3, nil]];
Now you are trying to do something like this:
[tabBarController presentModalViewController:vc3];
This will give you an error because that Tab Bar Controller has a death grip on the view controller that you gave it. You ca...
How to hide the keyboard when I press return key in a UITextField?
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class MyViewController: UIViewController, UITextFieldDelegate {
....
}
Now add a delegate to a TextField in which you want to dismiss the keyboard when return is tapped either in viewDidLoad method like below or where you are initializing it.
For eg.
override func viewDidLoad() {
super.vie...
Reusing output from last command in Bash
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f() { bash -c "$BASH_COMMAND" >& /tmp/out.log; }
trap 'f' DEBUG
Now most recently executed command's stdout and stderr will be available in /tmp/out.log
Only downside is that it will execute a command twice: once to redirect output and error to /tmp/out.log and once normally. Probably th...
Is there a good charting library for iPhone? [closed]
I have a need to render and display charts (bar charts for now, but more types may be needed later) in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good, mature charting libraries for iPhone yet. I've also looked for something written for ...
How to format strings using printf() to get equal length in the output?
... of whatever length the two strings header1 and header2 may have.
I don't know if all implementations have the %n but Solaris and Linux do.
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