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How to programmatically set style attribute in a view
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There is also such a thing as a StateListDrawable which lets you define different drawables for each state the your Button can be in, whether focused, selected, pressed, disabled and so on.
For example, to get your button to change colour when it's pressed, you could define an XML file called res...
Can an interface extend multiple interfaces in Java?
...// methods
}
A single class can also implement multiple interfaces. What if two interfaces have a method defining the same name and signature?
There is a tricky point:
interface A {
void test();
}
interface B {
void test();
}
class C implements A, B {
@Override
public void tes...
Why is Java Vector (and Stack) class considered obsolete or deprecated?
...ence of operations. Synchronizing individual operations is both less safe (if you iterate over a Vector, for instance, you still need to take out a lock to avoid anyone else changing the collection at the same time, which would cause a ConcurrentModificationException in the iterating thread) but als...
Crash logs generated by iPhone Simulator?
...h
Something I haven't yet figured out is how to get them to generate even if the debugger grabs the EXC_BAD_ACCESS signal.
Update
Currently, (OSX 10.11.6), the .crash logs in ~/Library/Logs/DiagnosticReports, are when the emulator itself crashes. Logs for an app crashing (but the emulator devi...
Parsing domain from a URL
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parse_url doesn't handle really badly mangled urls very well, but is fine if you generally expect decent urls.
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How to set cornerRadius for only top-left and top-right corner of a UIView?
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Pay attention to the fact that if you have layout constraints attached to it, you must refresh this as follows in your UIView subclass:
override func layoutSubviews() {
super.layoutSubviews()
roundCorners(corners: [.topLeft, .topRight], radius: 3....
How can I convert string date to NSDate?
...convert "2014-07-15 06:55:14.198000+00:00" this string date to NSDate in Swift.
18 Answers
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How to use the 'main' parameter in package.json?
...is a module ID that is the primary entry point to your
program. That is, if your package is named foo, and a user installs
it, and then does require("foo"), then your main module's exports
object will be returned.
This should be a module ID relative to the root of your package
folder.
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How to make ng-repeat filter out duplicate results
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If you don't want to include AngularUI and its entirety, but want to use the unique filter, you can just copy paste the unique.js source into your app, then change angular.module('ui.filters') to your app name.
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How to convert string representation of list to a list?
... this is dangerous as it simply runs whatever python is in the string. So if someone puts a call to delete everything in there, it happily will.
– Paul Kenjora
Nov 18 '17 at 21:15
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