大约有 15,249 项符合查询结果（耗时：0.0286秒） [XML]
Random strings in Python
... broad e.g., os.urandom(length) answers the original question and @sth had read OP's mind incorrectly.
– jfs
Jun 8 '16 at 11:19
2
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Get a UTC timestamp [duplicate]
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Date.getTime() already returns the UTC timestamp. There is no need to apply an offset. See @james-mcmahon's answer below.
– wizzard
Feb 28 '13 at 22:53
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YYYY-MM-DD format date in shell script
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The man pages for date reads: %F full date; same as %Y-%m-%d, so this is just a more compact notation for the accepted answer.
– Håvard Geithus
Nov 16 '15 at 20:42
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MongoDB drop every database
...o shell you can simply do
dropDatabases()
From the docs:
Mongo will read the .mongorc.js file from the home directory of the user invoking mongo. In the file, users can define variables, customize the mongo shell prompt, or update information that they would like updated every time they launc...
T-SQL Cast versus Convert
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Something no one seems to have noted yet is readability. Having…
CONVERT(SomeType,
SomeReallyLongExpression
+ ThatMayEvenSpan
+ MultipleLines
)
…may be easier to understand than…
CAST(SomeReallyLongExpression
+ ThatMayEvenSpan
+ Multi...
How to repeat last command in python interpreter shell?
...ironment variable is set to this file path.
# python startup file
import readline
import rlcompleter
import atexit
import os
# tab completion
readline.parse_and_bind('tab: complete')
# history file
histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
try:
readline.read_histor...
How does the Meteor JavaScript framework work? [closed]
...isitors searching for similar answers, but unsure about the difference.
To read about Meteor JavaScript framework, please see this answer by xer0x.
As mentioned on the Meteor Server's documentation, Meteor is an implementation of Comet. Comet in turn is a counterpart of AJAX.
In case of AJAX, you u...
How to avoid reverse engineering of an APK file?
...tools like ProGuard. These will obfuscate your code, and make it harder to read when decompiled, if not impossible.
Move the most critical parts of the service out of the app, and into a webservice, hidden behind a server side language like PHP. For example, if you have an algorithm that's taken you...
How do I close all open tabs at once?
...exit Vim. If there are buffers
without a file name, which are readonly or which cannot be
written for another reason, Vim will not quit.
:conf wqa :confirm wqall :conf xa :confirm xall
Write all changed buffers and exit Vim. Bring up a prompt
when some buffer...
How do I do redo (i.e. “undo undo”) in Vim?
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If I am reading about vi, then my fingers just act on their own. The vi commands do not work on stackoverflow. :-)
– ciscogambo
Jan 17 '14 at 21:17
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