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How to wait for 2 seconds?

... As mentioned in other answers, all of the following will work for the standard string-based syntax. WAITFOR DELAY '02:00' --Two hours WAITFOR DELAY '00:02' --Two minutes WAITFOR DELAY '00:00:02' --Two seconds WAITFOR DELAY '00:00:00.200' --Two tenths of a...
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What's a standard way to do a no-op in python?

...e those if statements, but for readability I find it helps to include them all, so that if you are looking through the code you can see what happens as a result of each option. How do I code the no-op? Currently, I'm doing it like this: ...
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How do I test for an empty string in a Bash case statement?

... I use a simple fall through. no parameters passed ($1="") will be caught by the second case statement, yet the following * will catch any unknown parameter. Flipping the "") and *) will not work as *) will catch everything every time in that...
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JavaScript - cannot set property of undefined

...initializer: d[a] = { greetings: b, data: c }; Or you could set all the properties of d in an anonymous function instance: d = new function () { this[a] = { greetings: b, data: c }; }; If you're in an environment that supports ES2015 features, you can use comp...
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Ansible: Set variable to file content

...les, not remote files. Here's a complete example from the docs: - hosts: all vars: contents: "{{ lookup('file', '/etc/foo.txt') }}" tasks: - debug: msg="the value of foo.txt is {{ contents }}" share ...
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How do I get a distinct, ordered list of names from a DataTable using LINQ?

...umn. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause. ...
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Efficiency of purely functional programming

...ssible asymptotic slowdown that can happen when programming purely functionally as opposed to imperatively (i.e. allowing side-effects)? ...
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How to git log in reverse order?

... You don't need to type --reverse all the time, nor do you need a bash function. You can just create a git alias. Open up your favorite text editor and open up your global .gitconfig file. It's usually found in your home directory. Navigate to or create a se...
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List of encodings that Node.js supports

I need to read a file which is encoded with ISO-8859-1 (also called latin1), something like this: 2 Answers ...
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Using :after to clear floating elements

... The text 'dasda' will never not be within a tag, right? Semantically and to be valid HTML it as to be, just add the clear class to that: http://jsfiddle.net/EyNnk/2/ share | improve this...