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Quit and restart a clean R session from within R?
Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session?
12 Answers
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Simple basic explanation of a Distributed Hash Table (DHT)
...e now independent nodes in a network.
This gives a lot of fault-tolerance and reliability, and possibly some performance benefit, but it also throws up a lot of headaches. For example, what happens when a node leaves the network, by failing or otherwise? And how do you redistribute keys when a node...
No “pull” in Git Gui?
How can I make a pull using Git GUI tool? It seems there is no pull command anywhere.
3 Answers
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Does have to be in the of an HTML document?
... style tags need to be inside the head of an HTML document? The 4.01 standard implies that, but it's not explicitly stated:
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
How can I randomize the lines in a file using standard tools on Red Hat Linux?
11 Answers
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Maven 3 warnings about build.plugins.plugin.version
...ggest a fix. All I needed to do was to go into my POM file for my project, and add the <version> tag as shown above.
To discover the version number, one way is to look in Maven's output after it finishes running. Where you are missing version numbers, Maven will display its default version:
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Pass a parameter to a fixture function
...ter.
For validating purpose I need to log some test data during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
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Java SafeVarargs annotation, does a standard or best practice exist?
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1) There are many examples on the Internet and on StackOverflow about the particular issue with generics and varargs. Basically, it's when you have a variable number of arguments of a type-parameter type:
<T> void foo(T... args);
In Java, varargs are a syntac...
How to remove newlines from beginning and end of a string?
...thod to get rid of whitespaces (spaces, new lines etc.) from the beginning and end of the string.
String trimmedString = myString.trim();
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How to access parent Iframe from JavaScript
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Also you can set name and ID to equal values
<iframe id="frame1" name="frame1" src="any.html"></iframe>
so you will be able to use next code inside child page
parent.document.getElementById(window.name);
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