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How to create a simple map using JavaScript/JQuery [duplicate]
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How can we remove a key value payer from the map ?
– Shikha Dhawan
Jan 29 '13 at 5:37
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How do you use the ? : (conditional) operator in JavaScript?
...ours() > 17)
greeting += " evening.";
else
greeting += " day.";
From MSDN JS documentation.
Basically it's a shorthand conditional statement.
Also see:
Operator precedence with Javascript Ternary operator
Wikipedia
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Fit Image in ImageButton in Android
...s I did. In my case, I needed a widget with a fixed icon size.
Let's start from custom attributes:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="ImageButtonFixedIconSize">
<attr name="imageButton_icon" format="reference" />
&...
Difference between \b and \B in regex
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The confusion stems from your thinking \b matches spaces (probably because "b" suggests "blank").
\b matches the empty string at the beginning or end of a word. \B matches the empty string not at the beginning or end of a word. The key here i...
How to swap two variables in JavaScript
...ast in JavaScript). Anybody maintaining the code (including you six months from now) will know exactly what's going on.
Since these are integers, you can also use any number of clever tricks1 to swap without using a third variable. For instance you can use the bitwise xor operator:
let a = 1, ...
Any way to declare an array in-line?
...tion syntax is very succinct and flexible. I use it a LOT to extract data from my code and place it somewhere more usable.
As an example, I've often created menus like this:
Menu menu=initMenus(menuHandler, new String[]{"File", "+Save", "+Load", "Edit", "+Copy", ...});
This would allow me to wr...
Check with jquery if div has overflowing elements
...t) and if I use F5 to reload a page to check the script, or navigate to it from another page, it always come back as overflow = true, but if I use ctrl-F5 it comes back as overflow = false. This is when testing a situation that is supposed to come back false. When it's supposed to be true it always ...
Is it valid to have a html form inside another html form?
...he data to a PHP script and dividing and sending to their own destinations from there. Although, you did answer the question which is great, it's just a bad and pointless practice because you could do it the right way in less time.
– user1596138
May 16 '13 at 2...
Calculating text width
...t.
Demo: http://jsfiddle.net/philfreo/MqM76/
// Calculate width of text from DOM element or string. By Phil Freo <http://philfreo.com>
$.fn.textWidth = function(text, font) {
if (!$.fn.textWidth.fakeEl) $.fn.textWidth.fakeEl = $('<span>').hide().appendTo(document.body);
$.fn.t...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
... How would I pass in the categories array inside inArray()? (this is data from a JSON feed) Here's an example of how I get links, which works (but it's not an array): var link = post.permalink;. Using post.categories returns this error in console.log: "can't convert null to object".
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