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How to extract the hostname portion of a URL in JavaScript
...ibility for window.location.origin is not clear. I've checked it in chrome and it returned http://sub.domain.com:port if the port is anything but 80, and http://sub.domain.com if the port is 80.
Special thanks to @torazaburo for mentioning that to me.
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Java Regex Capturing Groups
I am trying to understand this code block. In the first one, what is it we are looking for in the expression?
4 Answers
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How to get a specific version of a file in Mercurial?
I am new to Mercurial. Just cannot find the right command. Tried update/checkout with no luck. I am using local repository. Thanks
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Jenkins Host key verification failed
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Change to the jenkins user and run the command manually:
git ls-remote -h git@bitbucket.org:person/projectmarket.git HEAD
You will get the standard SSH warning when first connecting to a new host via SSH:
The authenticity of host 'bitbucket.org (20...
MySQL: selecting rows where a column is null
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SQL NULL's special, and you have to do WHERE field IS NULL, as NULL cannot be equal to anything,
including itself (ie: NULL = NULL is always false).
See Rule 3 https://en.wikipedia.org/wiki/Codd%27s_12_rules
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Determining memory usage of objects? [duplicate]
...l memory used by an R session, one can do object.size(x=lapply(ls(), get)) and print(object.size(x=lapply(ls(), get)), units="Mb")
– tflutre
Feb 27 '13 at 3:09
4
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How do you use variables in a simple PostgreSQL script?
For example, in MS-SQL, you can open up a query window and run the following:
10 Answers
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Most Useful Attributes [closed]
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@Nickolay Kondratyev: I don't know all ins and outs, but you can take a look in following web service best practices which can take you to some conclusions: blogs.msdn.com/b/jaredpar/archive/2011/03/18/…
– Nikola Radosavljević
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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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Proper way to declare custom exceptions in modern Python?
...xception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
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