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How will I know when to create an interface?
..."duck typing", so just because A has Process() and B has Process() doesn't mean there is any generic way to call either. You need an Interface for that.
– user7116
Jan 14 '09 at 19:12
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
...a). Basically my motto is, use a little code as you can because more code means more chances for bugs.
– Kendall Helmstetter Gelner
May 21 '10 at 1:36
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How to get Spinner value?
In Android, I am trying to get the selected Spinner value with a listener.
7 Answers
7...
How to parse JSON in Java
...text. How can I parse it to get the values of pageName , pagePic , post_id , etc.?
34 Answers
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Vim delete blank lines
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Could someone explain what the tokens mean? (So, how does it work?) Thanks.
– PAStheLoD
Apr 19 '14 at 14:18
5
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Multiple commands on same line
... It's more conventional to use :call Func() because :execute Func() means something more. It means to perform the return value of the function as a command. The function described here will not usually have a command that starts with :return, so its return value will be the number zero. Perfo...
Set element focus in angular way
...vice
.factory('focus', function($timeout, $window) {
return function(id) {
// timeout makes sure that it is invoked after any other event has been triggered.
// e.g. click events that need to run before the focus or
// inputs elements that are in a disabled state but are enab...
Safest way to convert float to integer in python?
...mit to the size of an "int, stackoverflow.com/questions/13795758/…. The meaning of "int" is also dependent on the operating system and underlying hardware. See en.wikipedia.org/wiki/64-bit_computing#64-bit_data_models. If you are programming with the C-API, python 3 you have to be very careful ...
Rank function in MySQL
...ithout requiring a separate SET command.
Test case:
CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1));
INSERT INTO person VALUES (1, 'Bob', 25, 'M');
INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALU...
How to center the content inside a linear layout?
I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it.
The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also respon...