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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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How do I flush the PRINT buffer in TSQL?
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312
Use the RAISERROR function:
RAISERROR( 'This message will show up right away...',0,1) WITH NO...
Casperjs/PhantomJs vs Selenium
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answered Dec 31 '12 at 10:38
Ariya HidayatAriya Hidayat
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Creating a singleton in Python
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class Logger(object):
__metaclass__ = Singleton
Or in Python3
class Logger(metaclass=Singleton):
pass
If you want to run __init__ every time the class is called, add
else:
cls._instances[cls].__init__(*args, **kwargs)
to the if statement in Singleton.__call__...
Convert string with commas to array
...I Hate Lazy
41.2k1010 gold badges7979 silver badges7373 bronze badges
4
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ERROR: permission denied for sequence cities_id_seq using Postgres
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384
Since PostgreSQL 8.2 you have to use:
GRANT USAGE, SELECT ON SEQUENCE cities_id_seq TO www;
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PyLint, PyChecker or PyFlakes? [closed]
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Well, I am a bit curious, so I just tested the 3 myself right after asking the question ;-)
Ok, this is not a very serious review but here is what I can say :
I tried the tools with the default settings (it's important because you can pretty much choose your check rules...
How to remove the first character of string in PHP?
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13 Answers
13
Active
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Run batch file as a Windows service
...k indeed!
– Byron Whitlock
Jan 27 '13 at 22:17
1
took me 2 minutes to install a service
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