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How to change language settings in R
...env() function. My R session defaults to English, so I'll set it to French and then back again:
> Sys.setenv(LANG = "fr")
> 2 + x
Erreur : objet 'x' introuvable
> Sys.setenv(LANG = "en")
> 2 + x
Error: object 'x' not found
A list of the abbreviations can be found here.
Sys.getenv() g...
How to redirect output to a file and stdout
In bash, calling foo would display any output from that command on the stdout.
10 Answers
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Port 80 is being used by SYSTEM (PID 4), what is that?
...com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat--an-results
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What are the use-cases for Web Workers? [closed]
... programmed ~2 years ago). You can change one # in a table via input field and a bunch of other numbers in different columns get re-computed in a fairly intensive process.
The old workflow was: Change the #. Go get coffee while JavaScript crunches through changes to other numbers and the web page ...
CSS background opacity with rgba not working in IE 8
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Create a png which is larger than 1x1 pixel (thanks thirtydot), and which matches the transparency of your background.
EDIT : to fall back for IE6+ support, you can specify bkgd chunk for the png, this is a color which will replace the true alpha transparency if it is not supported. You ...
Mercurial error: abort no username supplied
...install directory (C:\Program Files\Mercurial\Mercurial.ini on my machine)
and copy it to your user home dir (C:\Documents and Settings\myName on winXP).
On a Windows 7 install there is no default .ini, you will need to create a new one in C:\Users\myName.
Then edit that .ini file. Find this area....
Android Task Affinity Explanation
...y used for? I have gone through the documentation but I couldn't understand much.
3 Answers
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HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?
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You can set HorizontalAlignment to Left, set your MaxWidth and then bind Width to the ActualWidth of the parent element:
<Page
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<StackPanel Name="C...
What is the difference between log4net and ELMAH?
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ELMAH serves a purpose of tracking errors and exceptions for your web applications and allows you to easily log or view those exceptions via many different mechanisms (SQL, RSS, Twitter, files, email, etc.). If you have no built-in exception handling ELMAH will most ...
Can I disable autolayout for a specific subview at runtime?
...s a kind of document view that wraps to its content which is then scrolled and zoomed around a superview by manipulating the frame origin. Autolayout fights with this at runtime.
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