大约有 3,100 项符合查询结果（耗时：0.0080秒） [XML]
postgres: upgrade a user to be a superuser?
...sterweily You can do \du to list all users/roles.
– XåpplI'-I0llwlg'I -
Apr 6 '14 at 23:38
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Resolve absolute path from relative path and/or file name
...ou need to support both relative and absolute paths, you can make use of Frédéric Ménez's solution: temporarily change the current working directory.
Here's an example that'll demonstrate each of these techniques:
@echo off
echo %%~dp0 is "%~dp0"
echo %%0 is "%0"
echo %%~dpnx0 is "%~dpnx0"
ech...
Very simple log4j2 XML configuration file using Console and File appender
...ed Sep 29 '16 at 8:14
Christof KälinChristof Kälin
1,12722 gold badges1313 silver badges2424 bronze badges
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Omit rows containing specific column of NA
...dy? Take all columns that do not have NAs at all.
– Léo Léopold Hertz 준영
Jul 18 '17 at 15:33
1
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How to create circle with Bézier curves?
... a circle radius. There also exists an engine that can create a path from Bézier curve points.
10 Answers
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How to install an npm package from GitHub directly?
... Global installs seem to be working in npm 3.3.8.
– XåpplI'-I0llwlg'I -
Oct 23 '15 at 7:34
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show 6 more comments
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Loading local JSON file
...s empty. Might be useful for someone out there :)
– Håvard Geithus
Jun 28 '15 at 17:43
1
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How to get a random number in Ruby
...ust need a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug, hence the 1.9.2 target for that feature).
For instance, in this game where you need to ...
php Replacing multiple spaces with a single space [duplicate]
...t/manual/en/function.mb-ereg-replace.php
– Juha Palomäki
Oct 3 '16 at 13:03
1
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Negative matching using grep (match lines that do not contain foo)
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@OlleHärstedt, I think I misunderstood your scenario in my previous comment, the following may be what you're looking for grep "" /dev/null * | grep foo | grep -v bar | cut -d: -f1 | sort -u (why the first grep?, there's always a ...