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How to check if a line is blank using regex
...atch the beginning and end of the line.
References:
regular-expressions.info/Anchors, Character Classes, and Repetition.
A non-regex alternative:
You can also check if a given string line is "blank" (i.e. containing only whitespaces) by trim()-ing it, then checking if the resulting string is...
Is it possible to run a single test in MiniTest?
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regex version of -n parameter was the clutch piece of info, thanks!
– Woahdae
Jan 19 '13 at 18:56
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Converting a String to DateTime
...s,fff",
System.Globalization.CultureInfo.InvariantCulture);
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JPA getSingleResult() or null
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Here is some info in term of benefit of exception begin thrown from getSingleResult(): Queries can be used to retrieve almost anything including the value of a single column in a single row. If getSingleResult() would return null, you c...
Objective-C pass block as parameter
...IteratorBlock)iteratorBlock{
iteratorBlock(someId, someInt);
}
More info on blocks here
http://developer.apple.com/library/ios/#documentation/cocoa/Conceptual/Blocks/Articles/bxGettingStarted.html#//apple_ref/doc/uid/TP40007502-CH7-SW1
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How do I find a stored procedure containing ?
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SELECT ROUTINE_NAME, ROUTINE_DEFINITION
FROM INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_DEFINITION LIKE '%Foo%'
AND ROUTINE_TYPE='PROCEDURE'
SELECT OBJECT_NAME(id)
FROM SYSCOMMENTS
WHERE [text] LIKE '%Foo%'
AND OBJECTPROPERTY(id, 'IsProcedure...
Java: Integer equals vs. ==
...than these values it returns false .
Refer the link for some additional info
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Ruby convert Object to Hash
... use as_json(root: false). I think by default root will be false. For more info refer official ruby guide
http://api.rubyonrails.org/classes/ActiveModel/Serializers/JSON.html#method-i-as_json
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How can i use iptables on centos 7? [closed]
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Added the info about masking firewalld to the answer, as @TroodoN-Mike suggested
– Sgaduuw
Aug 29 '14 at 7:31
8
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How can I style even and odd elements?
...ortive'. It does not prevent the user from using the site nor from finding information. It doesn't even (most likely not) spoil the overall appearance of the website.
– Hafenkranich
Apr 19 '16 at 19:47
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