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Which timestamp type should I choose in a PostgreSQL database?
...W();
now
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2011-05-27 15:47:58.138995-07
(1 row)
test=> SELECT NOW() AT TIME ZONE 'UTC';
timezone
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2011-05-27 22:48:02.235541
(1 row)
Note that AT TIME ZONE 'UTC' strips time zone info a...
String comparison in bash. [[: not found
...natives (in debian-based-linux) like this justinconover.wordpress.com/2012/05/14/… but in the end, it would be the same.
– jperelli
Mar 8 '16 at 13:53
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
I get the following error when using a primitive attribute in my grails domain object:
12 Answers
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Why is XOR the default way to combine hashes?
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How to get rid of punctuation using NLTK tokenizer?
I'm just starting to use NLTK and I don't quite understand how to get a list of words from text. If I use nltk.word_tokenize() , I get a list of words and punctuation. I need only the words instead. How can I get rid of punctuation? Also word_tokenize doesn't work with multiple sentences: dots ar...
How do I find all files containing specific text on Linux?
I'm trying to find a way to scan my entire Linux system for all files containing a specific string of text. Just to clarify, I'm looking for text within the file, not in the file name.
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
In the following method definitions, what does the * and ** do for param2 ?
22 Answers
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How to extract text from a string using sed?
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@tripleee This only prints 2G05 not 02G05. The expression that works is 's/.*\([0-9][0-9]G[0-9][0-9]*\).*/\1/p'
– Kshitiz Sharma
Dec 12 '13 at 10:06
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How to make rounded percentages add up to 100%
Consider the four percentages below, represented as float numbers:
17 Answers
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...he comments at the jQuery inArray page here , there's an interesting declaration:
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