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How can I concatenate regex literals in JavaScript?
...e + expression_two.source, flags);
// regex3 is now /foobar/gy
It's just more wordy than just having expression one and two being literal strings instead of literal regular expressions.
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How do you run a Python script as a service in Windows?
...l.com/article/windows_services_in_python This one is a similar example but more complete
– csprabala
May 27 '15 at 15:55
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Why does C# not provide the C++ style 'friend' keyword? [closed]
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Having friends in programming is more-or-less considered "dirty" and easy to abuse. It breaks the relationships between classes and undermines some fundamental attributes of an OO language.
That being said, it is a nice feature and I've used it plenty of ti...
How do I view 'git diff' output with my preferred diff tool/ viewer?
...ver, the variable is supposed to point to the full path of the executable. Moreover, the executable specified by GIT_EXTERNAL_DIFF will be called with a fixed set of 7 arguments:
path old-file old-hex old-mode new-file new-hex new-mode
As most diff tools will require a different order (and only s...
What is bootstrapping?
...strapping" is also used as a term for building a system using itself -- or more correctly, a predecessor version. For example, ANTLR version 3 is written using a parser developed in ANTLR version 2.
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How to convert a string to lower or upper case in Ruby
...string #=> "hello james!"
Refer to the documentation for String for more information.
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In Clojure 1.3, How to read and write a file
...urp:
(spit "/tmp/test.txt" "Line to be written" :append true)
PS: To be more explicit about the fact that you are reading and writing to a File and not something else, you could first create a File object and then coerce it into a BufferedReader or Writer:
(reader (file "/tmp/test.txt"))
;; or
(...
Delete all local git branches
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The 'git branch -d' subcommand can delete more than one branch. So, simplifying @sblom's answer but adding a critical xargs:
git branch -D `git branch --merged | grep -v \* | xargs`
or, further simplified to:
git branch --merged | grep -v \* | xargs git branch -...
How do I use method overloading in Python?
...lar idea i.e. argument-pattern-matching. Which mean you would have smaller more cleaner methods.. rather than giant unreadable ones.
– sten
Feb 28 '16 at 19:15
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Anonymous recursive PHP functions
...ed "fix" from functional languages. The fix function from Haskell is known more generally as the Y combinator, which is one of the most well-known fixed point combinators.
A fixed point is a value that is unchanged by a function: a fixed point of a function f is any x such that x = f(x). A fixed...