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Scala: Abstract types vs generics
...s.
You say, my new Animal class has a type of SuitableFood, which I don't know.
So it's an abstract type. You don't give an implementation of the type. Then you have an eat method that eats only SuitableFood.
And then in the Cow class I would say, OK, I have a Cow, which extends class Animal, and fo...
How to fix Python indentation
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If you're using Vim, see :h retab.
*:ret* *:retab*
:[range]ret[ab][!] [new_tabstop]
Replace all sequences of white-space containing a
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How to get response status code from jQuery.ajax?
...ying to do is to get the HTTP response code from a jQuery.ajax call. Then, if the code is 301 (Moved Permanently), display the 'Location' response header:
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More elegant “ps aux | grep -v grep”
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Correct me if I am wrong, but this also should work on any position of the grepped character: ps aux| grep "te[r]minal"
– meso_2600
Mar 23 '16 at 9:54
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JavaScript variable number of arguments to function
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This is also nice because if you want, you can build the context argument with code and pass it around before it gets used.
– Nate C-K
Jan 29 '14 at 8:17
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Use dynamic variable names in JavaScript
...a such called Variable- (or in case of a Function, Activation Object).
So if you create variables like this:
var a = 1,
b = 2,
c = 3;
In the Global scope (= NO function context), you implicitly write those variables into the Global object (= window in a browser).
Those can get accessed ...
Adding values to a C# array
...s++)
{
termsList.Add(value);
}
// You can convert it back to an array if you would like to
int[] terms = termsList.ToArray();
Edit: a) for loops on List<T> are a bit more than 2 times cheaper than foreach loops on List<T>, b) Looping on array is around 2 times cheaper than looping...
How to stop/terminate a python script from running?
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@Gathide If you want to pause the process and put it in the background, press Ctrl + Z (at least on Linux). Then, if you want to kill it, run kill %n where "n" is the number you got next to "Stopped" when you pressed Ctrl + Z. If you ...
How to get parameters from the URL with JSP
...ut:
Hello <b><%= request.getParameter("name") %></b>!
If the page was accessed with the URL:
http://hostname.com/mywebapp/mypage.jsp?name=John+Smith
the resulting output would be:
Hello <b>John Smith</b>!
If name is not specified on the query string, the output...
How to drop a database with Mongoose?
...paring a database creation script in Node.js and Mongoose.
How can I check if the database already exists, and if so, drop (delete) it using Mongoose?
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