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What is the best way to deal with the NSDateFormatter locale “feechur”?
...teStyle properties - this way you're not having an explicit dateFormat set by yourself, thus falsely assuming that format will be used.
This means UI is driven by user preferences (am/pm vs 24 hour, and date strings formatted correctly to user choice - from iOS settings), whereas dates that are "c...
Difference between a clickable ImageView and ImageButton
...o differences, except default style. ImageButton has a non-null background by default.
EDIT: Also, ImageButton.onSetAlpha() method always returns false, scaleType is set to center and it's always inflated as focusable.
Here's ImageButton's default style:
<style name="Widget.ImageButton">
...
How does '20 seconds' work in Scala?
...rns something that does have a seconds method, with the search constrained by the scope of your method call.
You have imported DurationInt into your scope. Since DurationInt is an implicit class with an Int parameter, its constructor defines an implicit Int => DurationInt conversion. DurationInt...
Why would one omit the close tag?
...gateway, and redirect user to a specific URL after successful confirmation by the payment processor. If some kind of PHP error, even a warning, or an excess line ending happens, the payment may remain unprocessed and the user may still seem unbilled. This is also one of the reasons why needless redi...
What's the difference between “Layers” and “Tiers”?
...
is discussing a way of organizing a
code into a set of layers defined by
specific function.
Physical tiers however, are only about
where the code runs. Specifically,
tiers are places where layers are
deployed and where layers run. In
other words, tiers are the physical
deployme...
How to call a parent class function from derived class function?
...ction with the same signature in the derived class you can disambiguate it by adding the base class's name followed by two colons base_class::foo(...). You should note that unlike Java and C#, C++ does not have a keyword for "the base class" (super or base) since C++ supports multiple inheritance wh...
How to make exe files from a node.js app?
...ption to port it to JSDB, which supports an easy way to create executables by simply appending resources to it.
A third quasi-solution is to keep node somewhere like C:\utils and add this folder to your PATH environment variable. Then you can create .bat files in that dir that run node + your prefe...
How to make a class conform to a protocol in Swift?
...ion, you can separate the protocol conforming code out from the main class by using extension, and you do not need to add override keyword in the extension. So the equivalent of the code above will be
class CustomDataSource : NSObject{
// Configure the object...
}
extension CustomDataSource: U...
MySQL foreign key constraints, cascade delete
...
I got confused by the answer to this question, so I created a test case in MySQL, hope this helps
-- Schema
CREATE TABLE T1 (
`ID` int not null auto_increment,
`Label` varchar(50),
primary key (`ID`)
);
CREATE TABLE T2 (
`...
Is it better to return null or empty collection?
... prevents the aforementioned nonsense, and prevents your car getting egged by co-workers and users of your classes.
When talking about properties, always set your property once and forget it
public List<Foo> Foos {public get; private set;}
public Bar() { Foos = new List<Foo>(); }
In...