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Drop unused factor levels in a subsetted data frame

... is a `[.factor` method that has a drop argument and you've posted this in 2009... – David Arenburg Feb 13 '19 at 15:42
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Does hosts file exist on the iPhone? How to change it? [closed]

...ow to do it with Fiddler (it's very easy): http://conceptdev.blogspot.com/2009/01/monitoring-iphone-web-traffic-with.html In that case any dns lookups your iPhone does will use the hosts file of the machine Fiddler is running on. Note, though, that you must use a name that will be resolved via DNS...
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Named string formatting in C#

...n implementation I just posted to my blog here: http://haacked.com/archive/2009/01/04/fun-with-named-formats-string-parsing-and-edge-cases.aspx It addresses some issues that these other implementations have with brace escaping. The post has details. It does the DataBinder.Eval thing too, but is sti...
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'

... the complete tutorial which helped me: http://obscuredclarity.blogspot.in/2009/08/install-mysql-on-mac-os-x.html share | improve this answer | follow | ...
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CustomErrors mode=“Off”

... annoyance on your development machine). See weblogs.asp.net/lasse/archive/2009/04/28/… – Stephen Kennedy Feb 28 '12 at 12:42 ...
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Are trailing commas in arrays and objects part of the spec?

...ES3 was published in 1999, ES4 was abandoned and ES5 was only published in 2009), it would make sense that it was in the ES3 standard. Or it could just be that MS screwed up one more thing. – Endophage Aug 30 '11 at 16:54 ...
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AppInventor2 .keystore 证书文件 - App本升级的奥秘 · App Inventor 2 中文网

...建 Apps 首页 教育 中文教育本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
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socket.shutdown vs socket.close

... outgoing buffers anyway. According to http://blog.netherlabs.nl/articles/2009/01/18/the-ultimate-so_linger-page-or-why-is-my-tcp-not-reliable one needs to wait between the shutdown and the close until read returns 0. share...
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Is there a predefined enumeration for Month in the .NET library?

...r any instance of a datetime, DateTime dt = DateTime.Parse("12 January 2009"; dt.ToString("MMM"); // prints "Jan" // (or the right abbrev is in current culture) dt.ToString("MMMM"); // prints "January" // (or correct sp in current culture)...
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Override back button to act like home button

... Please read android-developers.blogspot.com/2009/12/… for the recommended way to handle the back key. – hackbod Jan 4 '10 at 17:57 1 ...