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How to unload a package without restarting R

...ould be used in a program to use one function and then another--although namespace referencing is probably a better idea for that use). ...
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How to copy file from HDFS to the local file system

...urce/path /localfs/destination/path Point your web browser to HDFS WEBUI(namenode_machine:50070), browse to the file you intend to copy, scroll down the page and click on download the file. share | ...
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SQLite DateTime comparison

...et reliable results from the query against a sqlite database using a datetime string as a comparison as so: 12 Answers ...
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.bashrc at ssh login

When I ssh into my ubuntu-box running Hardy 8.04, the environment variables in my .bashrc are not set. 4 Answers ...
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Type.GetType(“namespace.a.b.ClassName”) returns null

... Type.GetType("namespace.qualified.TypeName") only works when the type is found in either mscorlib.dll or the currently executing assembly. If neither of those things are true, you'll need an assembly-qualified name: Type.GetType("namespace...
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Unfortunately MyApp has stopped. How can I solve this?

I am developing an application, and everytime I run it, I get the message: 20 Answers ...
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How does BitLocker affect performance? [closed]

I'm an ASP.NET / C# developer. I use VS2010 all the time. I am thinking of enabling BitLocker on my laptop to protect the contents, but I am concerned about performance degradation. Developers who use IDEs like Visual Studio are working on lots and lots of files at once. More than the usual office w...
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How to develop and test an app that sends emails (without filling someone's mailbox with test data)?

I have a lot of apps that send email. Sometimes it's one or two messages at a time. Sometimes it's thousands of messages. 9...
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How to change a TextView's style at runtime

...xml version="1.0" encoding="utf-8"?> <resources> <style name="boldText"> <item name="android:textStyle">bold|italic</item> <item name="android:textColor">#FFFFFF</item> </style> <style name="normalText"> <ite...
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WebAPI Delete not working - 405 Method Not Allowed

... I found the solution eventually! If you come across the same issue, add the following to your web.config <system.webServer> <validation validateIntegratedModeConfiguration="false"/> <modules runAllManagedModulesForAllRequests="true"> ...