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URLWithString: returns nil
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breaks if the URL has a # in it. stringByAddingPercentEscapesUsingEncoding converts # to %2
– Ali Saeed
Mar 2 '16 at 21:21
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Performance - Date.now() vs Date.getTime()
...ings are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whatever time/date it's been set to). That is, if ...
How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be load...
How to get all possible combinations of a list’s elements?
...t iterable.
Combinations are emitted in lexicographic sort order. So, if the
input iterable is sorted, the
combination tuples will be produced in
sorted order.
Since 2.6, batteries are included!
share
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Performing Breadth First Search recursively
...s, to implement something that follows the semantics of BFS at some cost. If the cost of comparison is expensive but node traversal is cheap, then as @Simon Buchan did, you can simply run an iterative depth-first search, only processing the leaves. This would mean no growing queue stored in the he...
How can I sharpen an image in OpenCV?
...k to the wikipedia has been given above. digital_unsharp_masking to be specific
– tilaprimera
May 2 '14 at 5:35
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When should I use semicolons in SQL Server?
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@maurocam I think you've read the document incorrectly. If you look at that link it says "Not ending Transact-SQL statements with a semicolon." is deprecated.
– Caltor
Nov 6 '17 at 15:10
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PHP validation/regex for URL
... outer double-quotes (they were only needed because of the pointless /e modifier on the regex).
– Alan Moore
May 30 '09 at 5:53
1
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MySQL's now() +1 day
I'm using now() in MySQL query.
4 Answers
4
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how get yesterday and tomorrow datetime in c#
...st bare in mind that if you do it this way:
DateTime yesterday = DateTime.Now.AddDays(-1);
DateTime tomorrow = DateTime.Now.AddDays(1); // Output example: 6. 02. 2016 18:09:23
then you will get the current time minus one day, and not yesterday at 00:00:00 time.
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