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How to copy a file to multiple directories using the gnu cp command

...args -n 1 cp file1 Will copy file1 to dir1, dir2, and dir3. xargs will call cp 3 times to do this, see the man page for xargs for details. share | improve this answer | fo...
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How to detect escape key press with pure JS or jQuery?

...cated as of jQuery 3.0... you should use .off – freefaller Apr 24 '18 at 14:07  |  show 9 more comments ...
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How can I create a simple message box in Python?

...line code like this: import ctypes # An included library with Python install. ctypes.windll.user32.MessageBoxW(0, "Your text", "Your title", 1) Or define a function (Mbox) like so: import ctypes # An included library with Python install. def Mbox(title, text, style): return ctypes.windl...
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?

I've recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any...
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What's so bad about Template Haskell?

...on for avoiding Template Haskell is that it as a whole isn't type-safe, at all, thus going against much of "the spirit of Haskell." Here are some examples of this: You have no control over what kind of Haskell AST a piece of TH code will generate, beyond where it will appear; you can have a value ...
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inserting characters at the start and end of a string

... answered Apr 8 '12 at 1:00 AkavallAkavall 62.1k3838 gold badges170170 silver badges215215 bronze badges ...
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Interface vs Base class

... and let's illustrate using C#: Both a dog and a cat are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them: public abstract class Mammal This base class will probably have default methods such as: Fe...
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Is there a best practice for generating html with javascript

I'm calling a web service that returns an array of objects in JSON. I want to take those objects and populate a div with HTML. Let's say each object contains a url and a name. ...
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LoaderManager with multiple loaders: how to get the right cursorloader

... The Loader class has a method called getId(). I would hope this returns the id you've associated with the loader. share | improve this answer | ...
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what is the difference between a portlet and a servlet?

...s for web containers (and servlets). Though there are definitely strong parallels between these two standards they differ in containers, APIs, life cycle, configuration, deployment, etc. The main difference between portlet vs. servlet could be that while servlet always responds to single type of a...