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Python call function within class
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What happens if we dont use self? and directly call distToPoint(p)?
– Marlon Abeykoon
Aug 16 '16 at 4:30
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Devise - How do I forbid certain users from signing in?
... determine "active" state using
#our own "is_active" column
super and self.is_active?
end
end
UPDATE
As Matt Huggins notes, the method is now called active_for_authentication? (Documentation)
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Write string to output stream
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Streams (InputStream and OutputStream) transfer binary data. If you want to write a string to a stream, you must first convert it to bytes, or in other words encode it. You can do that manually (as you suggest) using the String.getBytes(Charset) ...
If string is empty then return some default value
Often I need to check if some value is blank and write that "No data present" like that:
6 Answers
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IntelliJ IDEA: Running a shell script as a Run/Debug Configuration
...- thank you. I used Program: ` C:\Program Files (x86)\Git\bin\rm.exe ` And Parameters: ` -fr ~/.grails/.slcache/ ` As another example
– Ask613
Mar 6 '15 at 15:27
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Check if a method exists
...d instead of others (deprecated ones), since self has not been created yet and respondsToSelector will always return NO.
– LightMan
Sep 6 '13 at 18:34
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Delete text in between HTML tags in vim?
...text between matching XML tags. (it is for "inner tag block".)
See :h it and :h tag-blocks.
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Adding IN clause List to a JPA Query
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query = "SELECT el FROM EventLog el WHERE el.timeMark >= :dateFrom AND "
+ "el.timeMark <= :dateTo AND "
+ "el.name IN :inclList")
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git -> show list of files changed in recent commits in a specific directory
In Subversion svn log is the command to display commit log messages -- for details see the online manual at http://svnbook.red-bean.com/en/1.7/svn.ref.svn.c.log.html
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Keep only first n characters in a string?
...substring(0,8);
Which returns the string starting at the first character and finishing before the 9th character - i.e. 'Hiya how'.
substring documentation
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