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Inspect hovered element in Chrome?
... P.S. this does not work for tooltips which are generated via Javascript from the element's own title attribute, as for example happens on SO. Those tooltips use a default styling.
– pgblu
Jun 10 '15 at 21:03
...
How do I declare a namespace in JavaScript?
How do I create a namespace in JavaScript so that my objects and functions aren't overwritten by other same-named objects and functions? I've used the following:
...
How to check if array element exists or not in javascript?
... you can use some function:
// search object
var element = { item:'book', title:'javasrcipt'};
[{ item:'handbook', title:'c++'}, { item:'book', title:'javasrcipt'}].some(function(el){
if( el.item === element.item && el.title === element.title ){
return true;
}
});
[['ha...
Best practice for Python assert
... when x become less than zero throughout the function. You can use class descriptors. Here is an example:
class LessThanZeroException(Exception):
pass
class variable(object):
def __init__(self, value=0):
self.__x = value
def __set__(self, obj, value):
if value < 0:
...
difference between iframe, embed and object elements
...VG use <embed> (if I remember correctly <object> won't let you script†). Honestly I don't know why you would use <object> unless for older browsers or flash (that I don't work with).
† As pointed out in the comments below; scripts in <object> will run but the parent and c...
Really Cheap Command-Line Option Parsing in Ruby
...but it's still falsey, so it works just fine for throwaway tools and quick scripts.
One caveat pointed out by FelipeC in the comments in "How to do really cheap command-line option parsing in Ruby", is that your shell might not support the 3-token shebang; you may need to replace /usr/bin/env ruby ...
Setting element of array from Twig
...op.index0) : {'url': item.content['#url'].getUri(), 'text': item.content['#title']} }) %}
{% endfor %}
{%
set linkList = {
'title': label,
'links': links
}
%}
{% include '<to twig file>/link-list.twig'%}
Thanks for this thread -- I was also able to create an array with (loop.index0) an...
How to use FormData for AJAX file upload?
...) for processing
var form = $('form')[0]; // You need to use standard javascript object here
var formData = new FormData(form);
or specify exact data for FormData()
var formData = new FormData();
formData.append('section', 'general');
formData.append('action', 'previewImg');
// Attach file
formD...
MySQL, better to insert NULL or empty string?
...abase adapters / ORMs map NULL to None.
So things like:
print "Hello, %(title)s %(firstname) %(lastname)!" % databaserow
might result in "Hello, None Joe Doe!" To avoid it you need something like this code:
if databaserow.title:
print "Hello, %(title)s %(firstname) %(lastname)!" % database...
How do I find files with a path length greater than 260 characters in Windows?
I'm using a xcopy in an XP windows script to recursively copy a directory. I keep getting an 'Insufficient Memory' error, which I understand is because a file I'm trying to copy has too long a path. I can easily reduce the path length, but unfortunately I can't work out which files are violating t...