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Are email addresses case sensitive?
...nsitive manner" Especially when checking for duplicates in user-databases, etc.
– Geert-Jan
Nov 16 '13 at 23:00
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Detecting 'stealth' web-crawlers
...HTML you can use plenty of tricks with comments, CDATA elements, entities, etc:
<a href="foo<!--bar-->"> (comment should not be removed)
<script>var haha = '<a href="bot">'</script>
<script>// <!-- </script> <!--><a href="bot"> <!-->
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How to “log in” to a website using Python's Requests module?
...ormally, it simply adds persistence, allowing you to store and use cookies etc.
Assuming your login attempt was successful, you can simply use the session instance to make further requests to the site. The cookie that identifies you will be used to authorise the requests.
Example
import requests
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Bypass popup blocker on window.open when JQuery event.preventDefault() is set
...tOpenAPopup) So I can't open a window before hand (to keep its reference, etc) if later on I won't be using it, right?
– Luiz
May 11 '16 at 13:50
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What is the difference between decodeURIComponent and decodeURI?
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decodeURIComponent will decode URI special markers such as &, ?, #, etc, decodeURI will not.
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When should the volatile keyword be used in C#?
... always access the current value of the field (it might be from the stack, etc). Marking a field as volatile ensures that the current value of the field is accessed by the instruction. This is useful when the value can be modified (in a non-locking scenario) by a concurrent thread in your program or...
Trying to add adb to PATH variable OSX
... Much, MUCH better then trying to fiddle with PATH, .bash_profile etc.. Thanks!
– smets.kevin
Sep 25 '15 at 8:22
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What is the best way to detect a mobile device?
...o(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|...
How do you use vim's quickfix feature?
...own, [<Space> and ]<Space> insert blank lines above and below, etc. I was surprised nobody mentioned it here before; that's probably because it didn't exist until January 2010, though the question was asked in 2009.
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Is there any difference between GROUP BY and DISTINCT
....
Here are the most important operations:
FROM (including JOIN, APPLY, etc.)
WHERE
GROUP BY (can remove duplicates)
Aggregations
HAVING
Window functions
SELECT
DISTINCT (can remove duplicates)
UNION, INTERSECT, EXCEPT (can remove duplicates)
ORDER BY
OFFSET
LIMIT
As you can see, the logical or...