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Call Javascript function from URL/address bar
...Official Build) (64-bit). Chrome automatically strips the javascript: prefix from the address bar.
– stomy
Mar 17 at 18:03
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How do I pass JavaScript variables to PHP?
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@sergey, so i need to use ajax? Actually, i'm familliar with that.
– SUN Jiangong
Dec 18 '09 at 10:08
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What does `void 0` mean? [duplicate]
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What does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always returns undefined.
Examples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It seems pretty useless, doesn't it? If it alw...
What is Hindley-Milner?
...advantages of Hindley-Milner are
It supports polymorphic functions; for example, a function that can give you the length of the list independent of the type of the elements, or a function does a binary-tree lookup independent of the type of keys stored in the tree.
Sometimes a function or value ca...
“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
I wrote application for linux which uses Qt5.
17 Answers
17
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How do I sort an array of hashes by a value in the hash?
This Ruby code is not behaving as I would expect:
4 Answers
4
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Line continuation for list comprehensions or generator expressions in python
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[x
for
x
in
(1,2,3)
]
works fine, so you can pretty much do as you please. I'd personally prefer
[something_that_is_pretty_long
for something_that_is_pretty_long
in somethings_that_are_pretty_long]
The reason why...
What is the advantage of using forwarding references in range-based for loops?
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The only advantage I can see is when the sequence iterator returns a proxy reference and you need to operate on that reference in a non-const way. For example consider:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This ...
Get GPS location from the web browser
...ll the browser support for geolocation is pretty good, all major browsers except ie7 and ie8 (and opera mini). IE9 does the job but is the worst performer. Checkout caniuse.com:
http://caniuse.com/#search=geol
Also you need the approval of your user to access their location, so make sure you check...
What is the purpose of the single underscore “_” variable in Python?
..._ has 5 main conventional uses in Python:
To hold the result of the last executed expression(/statement) in an interactive
interpreter session. This precedent was set by the standard CPython
interpreter, and other interpreters have followed suit
As a general purpose "throwaway" variable name to ind...