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How to format a duration in java? (e.g format H:MM:SS)
...nds = Math.abs(seconds);
String positive = String.format(
"%d:%02d:%02d",
absSeconds / 3600,
(absSeconds % 3600) / 60,
absSeconds % 60);
return seconds < 0 ? "-" + positive : positive;
}
Formatting this way is reasonably simple, if annoyingly manual. For ...
Can table columns with a Foreign Key be NULL?
... INTO child (id, parent_id) VALUES (1, NULL);
-- Query OK, 1 row affected (0.01 sec)
INSERT INTO child (id, parent_id) VALUES (2, 1);
-- ERROR 1452 (23000): Cannot add or update a child row: a foreign key
-- constraint fails (`t/child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY
-- (`parent_id`) REFE...
invalid context 0x0 under iOS 7.0 and system degradation
...core graphics context, but I doubt that's the issue. These invalid context 0x0 error messages are common and easy to reproduce in iOS 7. In fact, I can reproduce the error using storyboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field. ...
How Do You Clear The IRB Console?
...|
edited Mar 25 '13 at 14:07
answered Sep 22 '08 at 18:24
J...
Working with Enums in android
...u can add values to them like this.
public enum Gender {
MALE("Male", 0),
FEMALE("Female", 1);
private String stringValue;
private int intValue;
private Gender(String toString, int value) {
stringValue = toString;
intValue = value;
}
@Override
publi...
Find text string using jQuery?
... edited Oct 17 '19 at 4:38
user202729
1,42433 gold badges1010 silver badges2323 bronze badges
answered May 29 '09 at 15:34
...
How do I center align horizontal menu?
...
130
From http://pmob.co.uk/pob/centred-float.htm:
The premise is simple and basically just involves...
How does C compute sin() and other math functions?
...
220
In GNU libm, the implementation of sin is system-dependent. Therefore you can find the implement...
Regex to get string between curly braces
... |
edited Feb 26 at 10:44
answered Jan 5 '09 at 13:25
...
How do I do a bulk insert in mySQL using node.js
... |
edited Apr 27 at 19:04
Agnel Vishal
37033 silver badges1010 bronze badges
answered Jan 10 '13 at 1...