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What is the exact meaning of IFS=$'\n'?
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From http://www.linuxtopia.org/online_books/bash_guide_for_beginners/sect_03_03.html:
Words in the form "$'STRING'" are
treated in a special way. The word
expands to a string, with
backslash-escaped characters replaced
as specified by the ANSI-C standard.
Backsl...
How do I negate a test with regular expressions in a bash script?
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Oye vey! Just when I safely sidestep the intergalactic special character madness of perl, I find myself lost in bash space (placement)! (I feel fear squeezing my gut like a python.) Thanks!
– David Rogers
Dec 28 '10...
How to push new branch without history
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Purging all the files doesn't get rid of the history. You need to create a branch that has no history first, and the add your config files. These days git checkout has a --orphan option that makes a branch with no history. Here's the information on the --or...
Linq: GroupBy, Sum and Count
...hat there are more than 1 object in a result set or as a result of the provided argument, it will throw an exception. On usage, you use the former when you only want, maybe a sample of a series and the other objects are not important to you, whereas you use the latter if you are only expecting one o...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...-comprehension too, the list generated is in the same way the data was provided (i.e. source from a list it will be deterministic, sourced from a set or dict not so much).
How does one go about verifying if OrderedDict actually maintains an order. Since a dict has an unpredictable order, what if...
Eclipse and Windows newlines
...ion to the Eclipse solutions and the tool mentioned in another answer, consider flip. It can 'flip' either way between normal and Windows linebreaks, and does nice things like preserve the file's timestamp and other stats.
You can use it like this to solve your problem:
find . -type f -not -path '...
Send an Array with an HTTP Get
...n simply pass array as foo=[value1,value2,value3] .When you obtain this inside express route with req.query, you will get {foo:'[value1,value2,value3]'}. You just need to parse it & use this array in your code
– Akshay Barpute
May 20 at 14:14
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Clone contents of a GitHub repository (without the folder itself)
...it clone (git@github:me/name.git...) I get a folder called name/ and inside name I have my contents... How do I get JUST the contents?
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“git diff” does nothing
... the index
Diff the index with HEAD
Diff the working copy with HEAD
Outside your workspace, as you guessed, git won't know what to diff, so you have to explicitly specify two paths to compare, hence the usage message.
sha...
Wrapping null-returning method in Java with Option in Scala?
...Try(Option(3)).toOption.flatten
res28: Option[Int] = Some(3)
... or the ridiculously ugliest of them anothers ...
scala> Option(Try(null).getOrElse(null))
res29: Option[Null] = None
scala> Option(Try(3/0).getOrElse(null))
res30: Option[Any] = None
scala> Option(Try(3).getOrElse(null))
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