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Python function as a function argument?
...x(a,b):
... print "param 1 %s param 2 %s"%(a,b)
...
>>> def y(z,t):
... z(*t)
...
>>> y(x,("hello","manuel"))
param 1 hello param 2 manuel
>>>
share
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improve thi...
Getting DOM elements by classname
...response to hakre's comment, I got curious and looked into the code behind Zend_Dom_Query. It looks like the above selector is compiled to the following xpath (untested):
[contains(concat(' ', normalize-space(@class), ' '), ' my-class ')]
So the PHP would be:
$dom = new DomDocument();
$dom->load(...
How can I make a div stick to the top of the screen once it's been scrolled to?
...kground-color: #c0c0c0;
position:fixed;
top:0;
width:100%;
z-index:100;
}
Edit: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can detect the top scr...
What does (function($) {})(jQuery); mean?
...cda01
1,26533 gold badges1313 silver badges2525 bronze badges
answered May 30 '10 at 1:53
RobertPittRobertPitt
53.3k1818 gold badg...
Using fonts with Rails asset pipeline
... configuration:
config.assets.precompile << /\.(?:svg|eot|woff|ttf)\z/
For Rails versions > 4.2, it is recommended to add this configuration to config/initializers/assets.rb.
However, you can also add it to either config/application.rb , or to config/production.rb
Declare your font in y...
Callback when CSS3 transition finishes
...bkitTransitionEnd oTransitionEnd MSTransitionEnd", function(){ ... });
Mozilla has an excellent reference:
https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Transitions/Using_CSS_transitions#Detecting_the_start_and_completion_of_a_transition
For animations it's very similar:
$("#someSelector...
How to find duplicates in 2 columns not 1
...Coder
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...
Iterator invalidation rules
...s insert, emplace_back, emplace, push_back cause reallocation if the new size is greater than the old capacity. Reallocation invalidates all the references, pointers, and iterators referring to the elements in the sequence. If no reallocation
happens, all the iterators and references before the inse...
Regular expression for letters, numbers and - _
...
The pattern you want is something like (see it on rubular.com):
^[a-zA-Z0-9_.-]*$
Explanation:
^ is the beginning of the line anchor
$ is the end of the line anchor
[...] is a character class definition
* is "zero-or-more" repetition
Note that the literal dash - is the last character in...
How to prune local tracking branches that do not exist on remote anymore
...ot in the list of remotes.
This line should do the trick (requires bash or zsh, won't work with standard Bourne shell):
git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}' | xargs git branch -d
This string gets the list of remote branches a...