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Difference between passing array and array pointer into function in C
...lso appears within the [ and ] of the
array type derivation, then for each call to the function, the value of the corresponding
actual argument shall provide access to the first element of an array with at least as many
elements as specified by the size expression.
So, in short, any function param...
Easy idiomatic way to define Ordering for a simple case class
...= Ordering.by(unapply)
}
This has the benefit that it is updated automatically whenever A changes. But, A's fields need to be placed in the order by which the ordering will use them.
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impro...
Clear form field after select for jQuery UI Autocomplete
... it works around line 109 here.
The code in there checks for false specifically:
if ( false !== self._trigger( "select", event, { item: item } ) ) {
self.element.val( item.value );
}
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im...
NSObject +load and +initialize - What do they do?
...rride +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
...
Proper usage of Optional.ifPresent()
...er> user = ...
user.ifPresent(this::doSomethingWithUser);
This is basically the same thing as
Optional<User> user = ...
user.ifPresent(new Consumer<User>() {
@Override
public void accept(User theUser) {
doSomethingWithUser(theUser);
}
});
The idea is that the ...
Android: upgrading DB version and adding new table
...
1. About onCreate() and onUpgrade()
onCreate(..) is called whenever the app is freshly installed. onUpgrade is called whenever the app is upgraded and launched and the database version is not the same.
2. Incrementing the db version
You need a constructor like:
MyOpenHel...
Twitter bootstrap modal-backdrop doesn't disappear
...
Hiding the modal before the AJAX call is a poor solution if you need to evaluate the AJAX response and update the modal accordingly.
– asciimo
Oct 17 '13 at 1:32
...
Common MySQL fields and their appropriate data types
...ase and the data stays very consistent. The extension and country codes I called nullable smallints, but those could be varchar if you wanted to. PhoneType is varchar(20) and is not nullable.
Hope this helps!
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What is context in _.each(list, iterator, [context])?
...
The context lets you provide arguments at call-time, allowing easy customization of generic pre-built helper functions.
some examples:
// stock footage:
function addTo(x){ "use strict"; return x + this; }
function pluck(x){ "use strict"; return x[this]; }
function ...
Android - Writing a custom (compound) component
...our view in XML layouts as normal. If you want to make the view programmatically you have to inflate it yourself:
MyView v = (MyView)inflater.inflate(R.layout.my_view, parent, false);
Unfortunately this doesn't let you do v = new MyView(context) because there doesn't seem to be a way around the n...