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getting the last item in a javascript object
...f you create an associative array in JS using the array markers [] it is really an object. JS does not have associative arrays as such, arrays have indexed access and sequence; objects have associative property access, non-sequential.
– Orbling
Nov 30 '10 at 19...
jQuery’s .bind() vs. .on()
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Internally, .bind maps directly to .on in the current version of jQuery. (The same goes for .live.) So there is a tiny but practically insignificant performance hit if you use .bind instead.
However, .bind may be removed from futu...
Efficient way to remove keys with empty strings from a dict
I have a dict and would like to remove all the keys for which there are empty value strings.
17 Answers
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Is it .yaml or .yml?
...ruling as you can get, but the habit of 8.3 is hard to get out of (and, appallingly, still occasionally relevant in 2013).
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$(document).ready equivalent without jQuery
...ent
if ( document.addEventListener ) {
// Use the handy event callback
document.addEventListener( "DOMContentLoaded", function(){
document.removeEventListener( "DOMContentLoaded", arguments.callee, false );
jQuery.ready();
}, false );
// If IE...
Display a tooltip over a button using Windows Forms
...ying tool tips for multiple elements on a single form.
Say your button is called MyButton.
Add a ToolTip control (under Common
Controls in the Windows Forms
toolbox) to your form.
Give it a
name - say MyToolTip
Set the "Tooltip on MyToolTip" property of MyButton (under Misc in
the button property ...
What is a Python equivalent of PHP's var_dump()? [duplicate]
...lay a value nicely, you can use the pprint module. The easiest way to dump all variables with it is to do
from pprint import pprint
pprint(globals())
pprint(locals())
If you are running in CGI, a useful debugging feature is the cgitb module, which displays the value of local variables as part of...
remove objects from array by object property
...e.indexOf(obj.id) !== -1) {
arrayOfObjects.splice(i, 1);
}
}
All you need to do to fix the bug is decrement i for the next time around, then (and looping backwards is also an option):
for (var i = 0; i < arrayOfObjects.length; i++) {
var obj = arrayOfObjects[i];
if (listTo...
Pretty printing JSON from Jackson 2.2's ObjectMapper
....databind.ObjectMapper and would like to get a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. Even though I don't believe that code is absolutely nec...
What is the _snowman param in Ruby on Rails 3 forms for?
...net Explorer (5, 6, 7 and 8) to encode its parameters as unicode.
Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To understand why a user would decide to do something seemingly so crazy, check out this google search. Once the user has put the web-sit...