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PowerShell equivalent to grep -f
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Also, PowerShell tab completion will make commands properly capitalized, so it is not hard to input.
– joon
Jan 2 '14 at 3:36
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How to make a flat list out of list of lists?
...for item in sublist]
As evidence, you can use the timeit module in the standard library:
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' '[item for sublist in l for item in sublist]'
10000 loops, best of 3: 143 usec per loop
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' 'sum(l...
Why does NULL = NULL evaluate to false in SQL server
... in a where clause, it always evaluates to false. This is counterintuitive and has caused me many errors. I do understand the IS NULL and IS NOT NULL keywords are the correct way to do it. But why does SQL server behave this way?
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Customizing Bootstrap CSS template
I am just getting started with Bootstrap from Twitter and am wondering what the ‘best practices’ is for customization. I want to develop a system that will take advantage of all the power of a css template (Bootstrap or other), be completely (and easily) modifiable, be sustainable (ie – when t...
JavaScript post request like a form submit
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Dynamically create <input>s in a form and submit it
/**
* sends a request to the specified url from a form. this will change the window location.
* @param {string} path the path to send the post request to
* @param {object} params the paramiters to add to the...
What Vim command(s) can be used to quote/unquote words?
How can I quickly quote/unquote words and change quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim.
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Can I use Class.newInstance() with constructor arguments?
...or() are the classes of the constructor parameters
– Andrew Puglionesi
Nov 1 '18 at 23:33
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Import CSV file to strongly typed data structure in .Net [closed]
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Microsoft's TextFieldParser is stable and follows RFC 4180 for CSV files. Don't be put off by the Microsoft.VisualBasic namespace; it's a standard component in the .NET Framework, just add a reference to the global Microsoft.VisualBasic assembly.
If you're comp...
What is a clearfix?
Recently I was looking through some website's code, and saw that every <div> had a class clearfix .
9 Answers
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How do I download a file over HTTP using Python?
...ll utility that I use to download an MP3 file from a website on a schedule and then builds/updates a podcast XML file which I've added to iTunes.
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