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Class vs. static method in JavaScript
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mouse.showName();//instance method, alert "Mickey"
mouse.showCount();//Error!! mouse.showCount is not a function, which is different from Java
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Simple Vim commands you wish you'd known earlier [closed]
I'm learning new commands in Vim all the time, but I'm sure everyone learns something new once in a while. I just recently learned about this:
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Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
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How to split a column into two columns?
...tolist method will return this value as is (NaN) which will result in ValueError (to overcome this issue you can cast it to string type before splitting). I recommend you to try it on your own it's the best way of learning :-)
– Nerxis
Dec 18 '19 at 8:07
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How to do constructor chaining in C#
...oding default values (0 and "") in more than one place (less chance for an error). For example: public Foo(int id) : this () { this.id = id; }? Alternatively, I was also considering: public Foo(int id) : this ("") { this.id = id; }. Just looking for the best logical way to chain them, appreciate any...
What are deferred objects?
... url: "example.php" })
.success(function() { alert("success"); })
.error(function() { alert("error"); })
.complete(function() { alert("complete"); });
Working Example From Eric Hynds blog post: http://jsfiddle.net/ehynds/Mrqf8/
jqXHR
As of jQuery 1.5, the $.ajax() method returns the j...
What does DIM stand for in Visual Basic and BASIC?
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Dim originally (in BASIC) stood for Dimension, as it was used to define the dimensions of an array.
(The original implementation of BASIC was Dartmouth BASIC, which descended from FORTRAN, where DIMENSION is spelled out.)
Nowadays, D...
Getting and removing the first character of a string
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x <- 'hello stackoverflow'
substring(x, 2, nchar(x))
Idea is select all characters starting from 2 to number of characters in x. This is important when you have unequal number of characters in word or phrase.
Selecting the first letter is trivial as previous answers:
substring(x,1,1)
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Is there a [Go to file…]?
...e name of this action is "Open Quickly..."
– Michal Gallovic
Apr 25 at 10:48
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git-diff to ignore ^M
...pace cr-at-eol
This basically tells Git that an end-of-line CR is not an error. As a result, those annoying ^M characters no longer appear at the end of lines in git diff, git show, etc.
It appears to leave other settings as-is; for instance, extra spaces at the end of a line still show as error...