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Send POST data using XMLHttpRequest
...adystatechange = function() {//Call a function when the state changes.
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(params);
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How do I exchange keys with values in a dictionary?
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What if values are not unique? Then the keys should be a list... for example: d = {'a':3, 'b': 2, 'c': 2} {v:k for k,v in d.iteritems()} {2: 'b', 3: 'a'} should be {2: ['b','c'], 3: 'a'}
– Hanan Shteingart
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Is well formed without a ?
... do you think this is odd or pointless? Why would I want to create a form if the control is not communicating with a server?
– adam-beck
Mar 25 '15 at 18:00
18
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Float right and position absolute doesn't work together
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if a want div at center of parent element, how can I do that?
– trbaphong
Jul 4 '12 at 18:37
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Array initializing in Scala
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Additional to Vasil's answer: If you have the values given as a Scala collection, you can write
val list = List(1,2,3,4,5)
val arr = Array[Int](list:_*)
println(arr.mkString)
But usually the toArray method is more handy:
val list = List(1,2,3,4,5)
val...
Handling Touch Event in UILabel and hooking it up to an IBAction
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What if I have multiple labels? how might I differentiate which one was tapped?
– learner
Jul 25 '14 at 22:47
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Locate the nginx.conf file my nginx is actually using
Working on a client's server where there are two different versions of nginx installed. I think one of them was installed with the brew package manager (its an osx box) and the other seems to have been compiled and installed with the nginx packaged Makefile. I searched for all of the nginx.conf file...
Integer to hex string in C++
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Use <iomanip>'s std::hex. If you print, just send it to std::cout, if not, then use std::stringstream
std::stringstream stream;
stream << std::hex << your_int;
std::string result( stream.str() );
You can prepend the first << with ...
Removing viewcontrollers from navigation stack
...he click of a button in the 5th viewcontroller. Is it possible to do this? If so how?
14 Answers
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...fter {
content: attr(data-content) ' any other text you may want';
}
If you want to prevent the 'other text' from showing up, you could combine this with seucolega's solution like this:
In HTML:
<span>foo</span>
In jQuery:
$('span').hover(function(){
$(this).addClass('chan...