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Android: How can I validate EditText input?
...e sure you're calling addTextChangedListener after resolving your edittext from the view
– Ghostli
May 14 '15 at 11:56
1
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Should I use SVN or Git? [closed]
...tion since then deleted about Git vs. SVN (September 2009).
Better? Aside from the usual link WhyGitIsBetterThanX, they are different:
one is a Central VCS based on cheap copy for branches and tags
the other (Git) is a distributed VCS based on a graph of revisions.
See also Core concepts of VCS.
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Why use Ruby instead of Smalltalk? [closed]
Ruby is becoming popular , largely from the influence Ruby on Rails, but it feels like it is currently struggling through its adolescence. There are a lot of similarities between Ruby and Smalltalk -- maglev is a testament to that. Despite having a more unusual syntax, Smalltalk has all (if not m...
Redefining NULL
...for equality to the magic value instead of checking for zero. This follows from the equality testing semantics, but the compiler may implement it differently internally. See §6.5.13/3, §6.5.14/3, §6.5.15/4, §6.5.3.3/5, §6.8.4.1/2, §6.8.5/4
As caf pointed out, update the semantics for initializ...
Does Internet Explorer 8 support HTML 5?
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IE8 beta 2 supports two APIs from HTML5: cross-document messaging and non-SQL storage.
IE8 beta 2 doesn’t implement the HTML5 parsing algorithm or the new elements (no <canvas> or <video> support).
There are also bug fixes that align IE8 ...
Why can I access TypeScript private members when I shouldn't be able to?
...nside the constructor, a local variable in the constructor isn't reachable from the methods. It might be possible to make a local variable inside the function wrapper for the class, but I haven't yet found a way to do that. However, that would still be a local variable, and not a private member.
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Dismissing a Presented View Controller
...ontroller
When a View Controller is presented modally, you can dismiss it (from the second view controller) by calling
// Swift
self.dismiss(animated: true, completion: nil)
// Objective-C
[self dismissViewControllerAnimated:YES completion:nil];
The documentation says,
The presenting view control...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...e reasons that 16-bit instructions are avoided now. x86-64 inherited this from 8086 for 8-bit and 386 for 16-bit, and decided to have 8 and 16-bit registers work the same way in 64-bit mode as they do in 32-bit mode.
See also Why doesn't GCC use partial registers? for practical details of how wr...
Java generics type erasure: when and what happens?
...u can't know that it's a List<String>. But objects don't just appear from nowhere. They are created locally, passed in as a method invocation argument, returned as the return value from a method call, or read from a field of some object... In all these cases you CAN know at runtime what the g...
How do I get a plist as a Dictionary in Swift?
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In swift 3.0 Reading from Plist.
func readPropertyList() {
var propertyListFormat = PropertyListSerialization.PropertyListFormat.xml //Format of the Property List.
var plistData: [String: AnyObject] = [:] //Our data
let ...