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How can I delete multiple lines in vi?
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Sounds like you're entering the commands in command mode (aka. "Ex mode"). In that context :5d would remove line number 5, nothing else. For 5dd to work as intended -- that is, remove five consequent lines starting at the cursor -- enter it in normal mode and d...
How to create a date and time picker in Android? [closed]
Is there any android widget that enable to pick the date and the time at the same time ?
I already use the basic time picker and date picker .
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Normalizing mousewheel speed across browsers
...ons of the same browser on OS X have yielded different values in the past, and may do so in the future, and that
Using the trackpad on OS X yields very similar effects to using a mouse wheel, yet gives very different event values, and yet the device difference cannot be detected by JS
…I can onl...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
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Running a command through /usr/bin/env has the benefit of looking for whatever the default version of the program is in your current environment.
This way, you don't have to look for it in a specific place on the system, as those paths ma...
What is AF_INET, and why do I need it?
I'm getting started on socket programming, and I keep seeing this AF_INET .
5 Answers
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HSL to RGB color conversion
...(which he attributes to a now defunct mjijackson.com, but is archived here and the original author has a gist - thanks to user2441511).
The code is re-posted below:
HSL to RGB:
/**
* Converts an HSL color value to RGB. Conversion formula
* adapted from http://en.wikipedia.org/wiki/HSL_color_sp...
AngularJS ui-router login authentication
I am new to AngularJS, and I am a little confused of how I can use angular-"ui-router" in the following scenario:
10 Answer...
Make a Bash alias that takes a parameter?
...f #calls `myfunction`
By the way, Bash functions defined in your .bashrc and other files are available as commands within your shell. So for instance you can call the earlier function like this
$ myfunction original.conf my.conf
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In the shell, what does “ 2>&1 ” mean?
In a Unix shell, if I want to combine stderr and stdout into the stdout stream for further manipulation, I can append the following on the end of my command:
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How to download and save a file from Internet using Java?
...ine file (such as http://www.example.com/information.asp ) I need to grab and save to a directory. I know there are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download and save the file using Java?
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