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Detecting when user scrolls to bottom of div with jQuery
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There are some properties/methods you can use:
$().scrollTop()//how much has been scrolled
$().innerHeight()// inner height of the element
DOMElement.scrollHeight//height of the content of the element
So you can take the sum of the first two properties, and when it equals to the...
Convert a date format in PHP
...he source-format always is "Y-m-d" (yyyy-mm-dd), then just use DateTime:
<?php
$source = '2012-07-31';
$date = new DateTime($source);
echo $date->format('d.m.Y'); // 31.07.2012
echo $date->format('d-m-Y'); // 31-07-2012
?>
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How to properly override clone method?
...ment a well-behaved clone method. Otherwise, you are better off providing alternative means of object copying, or simply not providing the capability.
The emphasis was his, not mine.
Since you made it clear that you have little choice but to implement clone, here's what you can do in this case:...
Convert UTC datetime string to local datetime
...t that it's in UTC time zone since
# datetime objects are 'naive' by default
utc = utc.replace(tzinfo=from_zone)
# Convert time zone
central = utc.astimezone(to_zone)
Edit Expanded example to show strptime usage
Edit 2 Fixed API usage to show better entry point method
Edit 3 Included auto-dete...
`staticmethod` and `abc.abstractmethod`: Will it blend?
...;>> Traceback (most recent call last):
File "asm.py", line 16, in <module>
a = A()
TypeError: Can't instantiate abstract class A with abstract methods test
You go "Eh? It just renames @abstractmethod", and this is completely correct. Because any subclass of the above will have ...
Approximate cost to access various caches and main memory?
... ring bus topology and had a unified cache but I don't see why the snoop filter would behave any differently in Nehalem. The optimisation manual section B.3.5.3 gives what I feel like is an incorrect description (it clearly pertains to Nehalem as it speaks about the Global Queue which is a Nehalem f...
jquery - fastest way to remove all rows from a very large table
...ent back into the table since detach removed it:
$('#mytable').append($('<tbody>'));
Also note that when talking efficiency $(target).find(child) syntax is faster than $(target > child). Why? Sizzle!
Elapsed Time to Empty 3,161 Table Rows
Using the Detach() method (as shown in my ...
Safely casting long to int in Java
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We also have addExact and multiplyExact. Of note is that division (MIN_VALUE/-1) and absolute value (abs(MIN_VALUE)) do not have safe convenience methods.
– Aleksandr Dubinsky
Oct 27 '17 at 9:43
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Format numbers in django templates
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Is there a reason why these few simple filters are not part of the built-in filters?
– PawelRoman
Jul 19 '13 at 9:59
8
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Can the Android layout folder contain subfolders?
...demo project showing how.
The trick is to use gradle's ability to merge multiple resource folders, and set the res folder as well as the nested subfolders in the sourceSets block.
The quirk is that you can't declare a container resource folder before you declare that folder's child resource fold...