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How to get a JavaScript object's class?
...ed to Java being a class-based one.
Depending on what you need getClass() for, there are several options in JavaScript:
typeof
instanceof
obj.constructor
func.prototype, proto.isPrototypeOf
A few examples:
function Foo() {}
var foo = new Foo();
typeof Foo; // == "function"
typeof...
How to get notified about changes of the history via history.pushState?
...gating to a session history entry.
According to this, there is no reason for popstate to be fired when you use pushState. But an event such as pushstate would come in handy. Because history is a host object, you should be careful with it, but Firefox seems to be nice in this case. This code works ...
How to see the changes between two commits without commits in-between?
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That worked for me, but now, How can I apply my.patch to other branch?
– nacho4d
Jun 2 '11 at 2:53
2
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Size of Matrix OpenCV
...
For 2D matrix:
mat.rows – Number of rows in a 2D array.
mat.cols – Number of columns in a 2D array.
Or:
C++: Size Mat::size() const
The method returns a matrix size: Size(cols, rows) . When the matrix is more than 2-d...
Django's SuspiciousOperation Invalid HTTP_HOST header
...D_HOSTS is set correctly, then it is possible someone is probing your site for the vulnerability by spoofing the header.
There is discussion right now by the Django developers to change this from a 500 internal server error to a 400 response. See this ticket.
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usr/bin/ld: cannot find -l
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To figure out what the linker is looking for, run it in verbose mode.
For example, I encountered this issue while trying to compile MySQL with ZLIB support. I was receiving an error like this during compilation:
/usr/bin/ld: cannot find -lzlib
I did some Goog...
Is C++14 adding new keywords to C++?
... float protected thread_local
const_cast for public throw
Table 4 in N3337 (C++11):
alignas continue friend register true
alignof decltype goto reinterpret_cast try
a...
Check if URL has certain string with PHP
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Perfect for my project! Thanks!
– WebDevKev
Jun 25 '14 at 18:58
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Read url to string in few lines of java code
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Just don't forget you need to call Scanner#close() later.
– Marcelo
Dec 21 '12 at 3:55
2
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How to have stored properties in Swift, the same way I had on Objective-C?
...ve-C to Swift, which I have a couple of categories with stored properties, for example:
18 Answers
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