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How do I change the background color of a plot made with ggplot2

...s the theme_bw, giving you a white background and grey gridlines. I use it all the time, as in print it looks much better than the default grey background: myplot + theme_bw() – ROLO Dec 16 '11 at 9:11 ...
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Can you give a Django app a verbose name for use throughout the admin?

...h to the appropriate AppConfig subclass to be configured explicitly in INSTALLED_APPS. Example: INSTALLED_APPS = [ # ...snip... 'yourapp.apps.YourAppConfig', ] Then alter your AppConfig as listed below. Django 1.7 As stated by rhunwicks' comment to OP, this is now possible out of the ...
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XPath: select text node

...t or the second text node via XPath? Use: /node/text() This selects all text-node children of the top element (named "node") of the XML document. /node/text()[1] This selects the first text-node child of the top element (named "node") of the XML document. /node/text()[2] This selects th...
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Is it possible to set a number to NaN or infinity?

...question over a second time!! Sorry! That said, it wouldn't hurt to say so all the same because it's an easy trap to fall into, NaN != NaN – David Heffernan Mar 25 '11 at 22:30 ...
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What is Microsoft.csharp.dll in .NET 4.0

... The assembly contains the C# runtime binder. The C# compiler has essentially been extracted out into a library so that it can emit, compile and run code needed to support the dynamic keyword. The first time you use dynamic in your code, this assembly (as well as System.dll, System.Core.dll and Sy...
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@OneToMany List vs Set difference

...of addresses, you won't be able to use a single query to load persons with all their contacts and all their addresses. The solution in this case is to make two queries (which avoids the cartesian product), or to use a Set instead of a List for at least one of the collections. It's often hard to use...
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split string only on first instance of specified character

...Very elegant. Works like a charm. Thank you. – Ofeargall Jan 5 '11 at 18:43 12 Just to be clear, ...
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Parse config files, environment, and command-line arguments, to get a single collection of options

...d-line argument parsing ( argparse ). I want to write a program that does all those, and also: 11 Answers ...
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How to force maven update?

... mvn clean install -U -U means force update of snapshot dependencies. Release dependencies can't be updated this way. share | improve t...
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Is there a better way to express nested namespaces in C++ within the header

... To avoid really deep indenting, I usually do it this way: namespace A { namespace B { namespace C { class X { // ... }; }}} share ...