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How does the Java 'for each' loop work?
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for (Iterator<String> i = someIterable.iterator(); i.hasNext();) {
String item = i.next();
System.out.println(item);
}
Note that if you need to use i.remove(); in your loop, or access the actual iterator in some wa...
What is the correct MIME type to use for an RSS feed?
Is one MIME type preferable to ensure compatibility with RSS readers and other scrapers?
7 Answers
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Command line CSV viewer? [closed]
...ss but that spaces out the columns in a more readable way. (I'd be fine with opening it with OpenOffice Calc or Excel, but that's way too overpowered for just looking at the data like I need to.) Having horizontal and vertical scrolling would be great.
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What's the fastest way to merge/join data.frames in R?
... and merge approaches are not the same. Match is, of course, faster since it is not doing as much. In particular it never looks for duplicate keys. (continued after code)
DF1 = data.frame(a = c(1, 1, 2, 2), b = 1:4)
DF2 = data.frame(b = c(1, 2, 3, 3, 4), c = letters[1:5])
merge(DF1, DF2)
b a c...
How to get a JavaScript object's class?
...;
foo.bar(21); // == 42
Note: if you are compiling your code with Uglify it will change non-global class names. To prevent this, Uglify has a --mangle param that you can set to false is using gulp or grunt.
shar...
Creating a div element in jQuery [duplicate]
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You can use append (to add at last position of parent) or prepend (to add at fist position of parent):
$('#parent').append('<div>hello</div>');
// or
$('<div>hello</div>').appendTo('#parent');
Alternatively, you can use the .html() ...
How to rethrow InnerException without losing stack trace in C#?
...d which may cause an exception. How can I pass the exception to my caller without the wrapper reflection puts around it?
I am rethrowing the InnerException, but this destroys the stack trace.
Example code:
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Can you center a Button in RelativeLayout?
...o center a button in relative layout, is this possible? I've tried the Gravity and Orientation functions but they don't do anything.
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Android notification is not showing
...dd a notification on Android. And when someone clicks on the notification, it should lead them to my second activity.
11 An...
Vim: apply settings on files in directory
...te of the plugin way.
For several reasons:
Modelines are particularly limited: we can't set variables (that tunes other (ft)plugins, like "should the braces of the for-snippet be on a newline ?"), or call function from them (I don't limit myself to coding standards, I also set the makefile to use ...