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Installing older version of R package
...ols to install binary packages on Windows, but only works going back to 2014-09-17 (when MRAN was launched).
To install an older version from the command line (outside of R):
You can also install a package by using R CMD INSTALL on the command line (Terminal, Command Prompt, etc.) once you have th...
Extending an Object in Javascript
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194
You want to 'inherit' from Person's prototype object:
var Person = function (name) {
this.n...
wildcard * in CSS for classes
...t I'm styling with .tocolor , but I also need the unique identifier 1,2,3,4 etc. so I'm adding that it as another class tocolor-1 .
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Pythonic way to create a long multi-line string
...of the string, so this example has a leading blank (as pointed out by @root45). This string will also contain both blanks and newlines.
I.e.,:
' this is a very\n long string if I had the\n energy to type more and more ...'
Finally, one can also construct long lines in Python like t...
Custom Adapter for List View
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314
public class ListAdapter extends ArrayAdapter<Item> {
private int resourceLayout;
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How to get the browser to navigate to URL in JavaScript [duplicate]
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answered Aug 4 '09 at 10:19
Paolo BergantinoPaolo Bergantino
434k7676 gold badges504504 silver badges431431 bronze badges
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Why and when to use Node.js? [duplicate]
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4 Answers
4
Active
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How many String objects will be created when using a plus sign?
... String one = "1";
String two = "2";
String result = one + two + "34";
Console.Out.WriteLine(result);
}
then the compiler seems to emit the code using String.Concat as @Joachim answered (+1 to him btw).
If you define them as constants, e.g.:
const String one = "1";
const String two =...
What's the difference between HEAD^ and HEAD~ in Git?
...e-ref failed" if $?;
# for browsing history - http://blog.kfish.org/2010/04/git-lola.html
system "git config alias.lol 'log --graph --decorate --pretty=oneline --abbrev-commit'";
system "git config alias.lola 'log --graph --decorate --pretty=oneline --abbrev-commit --all'";
It adds aliases in the...