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jQuery: Difference between position() and offset()
...or example, with this document:
<div style="position: absolute; top: 200; left: 200;">
<div id="sub"></div>
</div>
Then the $('#sub').offset() will be {left: 200, top: 200}, but its .position() will be {left: 0, top: 0}.
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What is `git diff --patience` for?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Oct 28 '10 at 16:34
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Format date and time in a Windows batch script
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150
I ended up with this script:
set hour=%time:~0,2%
if "%hour:~0,1%" == " " set hour=0%hour:~1,1%...
How to get current time in milliseconds in PHP?
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The short answer is:
$milliseconds = round(microtime(true) * 1000);
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What is IP address '::1'?
...1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1.
See http://en.wikipedia.org/wiki/Localhost
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Set operations (union, intersection) on Swift array?
...tring> = Set(array1)
let set2:Set<String> = Set(array2)
Swift 3.0+ can do operations on sets as:
firstSet.union(secondSet)// Union of two sets
firstSet.intersection(secondSet)// Intersection of two sets
firstSet.symmetricDifference(secondSet)// exclusiveOr
Swift 2.0 can calculate on ar...
Checking if a string can be converted to float in Python
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Richard Simões
10.6k44 gold badges3737 silver badges4949 bronze badges
answered Apr 9 '09 at 21:55
dbrdbr
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How do you read CSS rule values with JavaScript?
...(className) {
var cssText = "";
var classes = document.styleSheets[0].rules || document.styleSheets[0].cssRules;
for (var x = 0; x < classes.length; x++) {
if (classes[x].selectorText == className) {
cssText += classes[x].cssText || classes[x].style.cssText...
How do I close an open port from the terminal on the Mac?
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408
Find out the process ID (PID) which is occupying the port number (e.g., 5955) you would like t...
Pandas dataframe get first row of each group
...column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can use head():
>>> df.groupby('id').head(2).reset_index(drop=True)
id value
0 ...