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How to perform Unwind segue programmatically?
...terface of the IBAction which takes a UIStoryboardSegue argument; the WWDC 2012 session 407 talk didn't mention that and didn't paste that code in. Without it, my Exit icon wouldn't go active when control-dragging to it. 3) It's pretty cool that at the end of your big red arrow, in the Action field...
Fit Image in ImageButton in Android
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I want them to cover 75% of the button area.
Use android:padding="20dp" (adjust the padding as needed) to control how much the image takes up on the button.
but where as some images cover less area, some are too big to fit into the imageButton. How to programatically resize and show the...
Android accelerometer accuracy (Inertial navigation)
... useless in practice.
Here is an explanation why (Google Tech Talk) at 23:20. I highly recommend this video.
It is not the accelerometer noise that causes the problem but the gyro white noise, see subsection 6.2.3 Propagation of Errors. (By the way, you will need the gyroscopes too.)
As for indoo...
How do I check if an element is hidden in jQuery?
...this.
– Etienne Dupuis
Jul 4 '12 at 20:12
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How to swap two variables in JavaScript
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answered Apr 24 '13 at 20:39
showdevshowdev
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What is the maximum length of a valid email address?
...n address is available online. The original version of RFC 3696 described 320 as the maximum length, but John Klensin subsequently accepted an incorrect value, since a Path is defined as
Path = "<" [ A-d-l ":" ] Mailbox ">"
So the Mailbox element (i.e., the email address) has angle brackets...
Check with jquery if div has overflowing elements
...ct me if I'm wrong but this doesn't appear to be working any more Chrome V.20.0.1132.57 . If you change the text inside the div, the background colour stays yellow, jsbin.com/ujiwah/25/edit#javascript,html,live
– Robbie
Jul 16 '12 at 14:40
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How can I unit test a GUI?
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edited Feb 20 '19 at 10:56
c24w
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a...
Visual Studio “Could not copy” … during build
I keep getting this error during the build of my VS2012 C# project
60 Answers
60
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Are Swift variables atomic?
...ional keywords (similar to @lazy) might be introduced later on.
Update 07/20/15: according to this blogpost on singletons swift environment can make certain cases thread safe for you, i.e.:
class Car {
static let sharedCar: Car = Car() // will be called inside of dispatch_once
}
private let s...