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Truncate a list to a given number of elements
What method truncates a list--for example to the first 100 elements--discarding the others (without iterating through individual elements)?
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Get protocol + host name from URL
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306
You should be able to do it with urlparse (docs: python2, python3):
from urllib.parse import u...
How can I make a div stick to the top of the screen once it's been scrolled to?
...ositioning your element as fixed:
.fixedElement {
background-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 p...
How can I delete a query string parameter in JavaScript?
...iteration as may be destructive
for (var i = pars.length; i-- > 0;) {
//idiom for string.startsWith
if (pars[i].lastIndexOf(prefix, 0) !== -1) {
pars.splice(i, 1);
}
}
return urlparts[0] + (pars.length > 0 ? '?'...
Scrolling child div scrolls the window, how do I stop that?
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TeemuTeemu
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When should Flask.g be used?
...w that g will move from the request context to the app context in Flask 0.10, which made me confused about the intended use of g .
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How to find a parent with a known class in jQuery?
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501
Assuming that this is .d, you can write
$(this).closest('.a');
The closest method returns th...
Create an array with random values
How can I create an array with 40 elements, with random values from 0 to 39 ?
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21 Answers
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Multiple queries executed in java in single statement
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140
I was wondering if it is possible to execute something like this using JDBC.
"SELECT FROM * TAB...
How to navigate through a vector using iterators? (C++)
...tor to a vector of strings
int n = 3; // nth element to be found.
int i = 0; // counter.
// now start at from the beginning
// and keep iterating over the element till you find
// nth element...or reach the end of vector.
for(it = myvector.begin(); it != myvector.end(); it++,i++ ) {
// fou...