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How to use a variable inside a regular expression?
...scaped. Only special characters with meaning in a regex are still escaped. _ is not escaped since Python 3.3.(s. here)
Curly braces:
If you want to use quantifiers within the regular expression using f-strings, you have to use double curly braces. Let's say you want to match TEXTO followed by exac...
horizontal line and right way to code it in html, css
...r> tag represents a horizontal rule.
http://www.w3schools.com/tags/tag_hr.asp
So after definition, I would prefer <hr>
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UICollectionView spacing margins
...ake(top, left, bottom, right)];
Updated for Swift 5
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
return UIEdgeInsets(top: 25, left: 15, bottom: 0, right: 5)
}
...
Increment value in mysql update query
...
You could also just do this:
mysql_query("
UPDATE member_profile
SET points = points + 1
WHERE user_id = '".$userid."'
");
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What's the difference between array_merge and array + array?
...ce is:
The + operator takes the union of the two arrays, whereas the array_merge function takes the union BUT the duplicate keys are overwritten.
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How to run `rails generate scaffold` when the model already exists?
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TL;DR: rails g scaffold_controller <name>
Even though you already have a model, you can still generate the necessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the optio...
Eclipse: How do i refresh an entire workspace? F5 doesn't do it
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on windows i've used "C:\Windows\twunk_32.exe" doesn't seem to hurt :)
– iTake
Jan 10 '14 at 12:55
...
Extracting extension from filename in Python
...hon 3.X documentation):
>>> import os
>>> filename, file_extension = os.path.splitext('/path/to/somefile.ext')
>>> filename
'/path/to/somefile'
>>> file_extension
'.ext'
Unlike most manual string-splitting attempts, os.path.splitext will correctly treat /a/b.c/...
Best XML parser for Java [closed]
...M, SAX, StAX & TrAX
(Source: http://download.oracle.com/docs/cd/E17802_01/webservices/webservices/docs/1.6/tutorial/doc/SJSXP2.html )
Feature StAX SAX DOM ...
How to wait 5 seconds with jQuery?
...
Use a normal javascript timer:
$(function(){
function show_popup(){
$("#message").slideUp();
};
window.setTimeout( show_popup, 5000 ); // 5 seconds
});
This will wait 5 seconds after the DOM is ready. If you want to wait until the page is actually loaded you need to u...