大约有 19,000 项符合查询结果(耗时:0.0439秒) [XML]
Zip lists in Python
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Source: My Blog Post (better formatting)
Example
numbers = [1,2,3]
letters = 'abcd'
zip(numbers, letters)
# [(1, 'a'), (2, 'b'), (3, 'c')]
Input
Zero or more iterables [1] (ex. list, string, tuple, dictionary)
Output (list)
1st tuple = (elemen...
Generating a drop down list of timezones with PHP
...swered Nov 13 '09 at 4:37
user210179user210179
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How to validate an e-mail address in swift?
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NazikNazik
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How to test valid UUID/GUID?
...{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$/i
...ensures you have a canonically formatted UUID that is Version 1 through 5 and is the appropriate Variant as per RFC4122.
NOTE: Braces { and } are not canonical. They are an artifact of some systems and usages.
Easy to modify the above regex to meet the r...
Converting datetime.date to UTC timestamp in Python
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If d = date(2011, 1, 1) is in UTC:
>>> from datetime import datetime, date
>>> import calendar
>>> timestamp1 = calendar.timegm(d.timetuple())
>>> datetime.utcfromtimestamp(timestamp1)
datetime.datetim...
fancybox2 / fancybox causes page to to jump to the top
...s that the issue has been fixed in the latest master that you can download form here github.com/fancyapps/fancyBox/archive/master.zip so no more hacks to either the js or css files.
– JFK
Sep 21 '13 at 19:37
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Best way to specify whitespace in a String.Split operation
...o have a case where I care about multiple spaces. I would want a canonical form--one space between each. So I respectfully disagree--it would be "rarely wrong" rather than "usually wrong".
– Michael Sorens
Aug 26 '13 at 21:23
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Stashing only un-staged changes in Git
...stash push" in that it cannot take pathspecs, and any non-option arguments form the message."
– jocull
Aug 27 '19 at 20:14
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show 4 more com...
Kotlin Ternary Conditional Operator
...ween expression and statement is important here. In Java/C#/JavaScript, if forms a statement, meaning that it does not resolve to a value. More concretely, you can't assign it to a variable.
// Valid Kotlin, but invalid Java/C#/JavaScript
var v = if (a) b else c
If you're coming from a language w...
How can one use multi threading in PHP applications
...sh
12:00:11pm: A -finish
12:00:16pm: C -finish
Second Run
12:01:36pm: A -start -sleeps 6
12:01:36pm: B -start -sleeps 1
12:01:36pm: C -start -sleeps 2
12:01:36pm: D -start -sleeps 1
12:01:37pm: B -finish
12:01:37pm: D -finish
12:01:38pm: C -finish
12:...
