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how to implement a pop up dialog box in iOS
...ne of the Modal Presentation Styles.
See also
Presenting View Controllers from Other View Controllers
Modal Contexts
Popover (show me an example)
A Popover is a view that appears when a user taps on something and disappears when tapping off it. It has an arrow showing the control or location from...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...
(Here's the script if anyone's interested or wants to raise any issues:)
from copy import deepcopy
class old_class:
def __init__(self):
self.blah = 'blah'
class new_class(object):
def __init__(self):
self.blah = 'blah'
dignore = {str: None, unicode: None, int: None, type...
structure vs class in swift language
From Apple book
"One of the most important differences between structures and classes is that structures are always copied when they are passed around in your code, but classes are passed by reference."
...
What is the difference between require_relative and require in Ruby?
...
From Ruby API:
require_relative complements the
builtin method require by allowing you
to load a file that is relative to the
file containing the require_relative
statement.
When you use require to load a fil...
How to asynchronously call a method in Java
...nied by SecurityManager.
FutureTask is a good option as the other options from the java.util.concurrent package.
My favorite for simple tasks:
Executors.newSingleThreadExecutor().submit(task);
little bit shorter than creating a Thread (task is a Callable or a Runnable)
...
How to get current moment in ISO 8601 format with date, hour, and minute?
...ch also has an Android port.
Both are lighter than Joda, and has learned from Joda's experience - esp. considering that java.time is designed by Joda's author.
share
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improve this answer
...
What's the difference between a continuation and a callback?
...callcc logically converts the entire function body back to what we started from (and gives those anonymous functions the name cc). The pythagoras function using this implementation of callcc becomes then:
function pythagoras(x, y, cont) {
callcc(function(cc) {
square(x, function (x_squa...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...ommand line:
perl -Mlib=/dir1,/dir2
You can also remove the directories from @INC via no lib.
You can directly manipulate @INC as a regular Perl array.
Note: Since @INC is used during the compilation phase, this must be done inside of a BEGIN {} block, which precedes the use MyModule statement.
...
How to get the list of files in a directory in a shell script?
...lain me a bit? In particular what is the -i echo "{}" part do? Also I read from the man page that -i is deprecated now and we should use -I insted.
– drkg4b
Oct 5 '15 at 17:27
1
...
What are attributes in .NET?
..., args);
}
}
Declaring them is easy, just make a class that inherits from Attribute.
public class DisplayOrderAttribute : Attribute
{
private int order;
public DisplayOrderAttribute(int order)
{
this.order = order;
}
public int Order
{
get { return o...