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How to check for an undefined or null variable in JavaScript?
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346
You have to differentiate between cases:
Variables can be undefined or undeclared. You'll ge...
How to add items to a spinner in Android?
...n);
String[] arraySpinner = new String[] {
"1", "2", "3", "4", "5", "6", "7"
};
Spinner s = (Spinner) findViewById(R.id.Spinner01);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_i...
How to delete or add column in SQLITE?
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360
ALTER TABLE SQLite
SQLite supports a limited subset of ALTER TABLE. The ALTER TABLE comman...
How can you make a custom keyboard in Android?
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83
First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if th...
A Java API to generate Java source files [closed]
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answered Sep 23 '08 at 16:41
skaffmanskaffman
374k9292 gold badges779779 silver badges744744 bronze badges
...
How to detect the screen resolution with JavaScript?
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308
original answer
Yes.
window.screen.availHeight
window.screen.availWidth
update 2017-11-10
Fro...
C++ map access discards qualifiers (const)
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153
std::map's operator [] is not declared as const, and cannot be due to its behavior:
T& o...
php is null or empty?
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353
What you're looking for is:
if($variable === NULL) {...}
Note the ===.
When use ==, as you ...
Does return stop a loop?
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answered Jul 30 '12 at 1:41
Michael BerkowskiMichael Berkowski
246k3636 gold badges408408 silver badges359359 bronze badges
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Remove Object from Array using JavaScript
...ent removed
//2
someArray = someArray.slice(1); // first element removed
//3
someArray.splice(0, 1); // first element removed
//4
someArray.pop(); // last element removed
//5
someArray = someArray.slice(0, a.length - 1); // last element removed
//6
someArray.length = someArray.length - 1; // last el...