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Getting the name of the currently executing method
...at a lot of work has gone into making HotSpot very reliable. You need to know, though, in case you want your code to not rely on the behavior of a specific JVM.
– Thorbjørn Ravn Andersen
Apr 15 '13 at 8:53
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Retrieve the position (X,Y) of an HTML element relative to the browser window
I want to know how to get the X and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
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How do I sort a vector of pairs based on the second element of the pair?
... c++14, the best solution is very easy to write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution
std::sort(v.begin(), v.end(), [](auto &left, auto &right) {
return left.second < right.second;
});
Just use a custom comparator (it's ...
How to determine the first and last iteration in a foreach loop?
... if I had to implement such a thing, I'd stick with the Rok Kralj's answer now on.
– shadyyx
May 15 '13 at 14:27
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Unicode character in PHP string
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@Gumbo: I know that but it doesn't make any difference in here. Javascript as well as JSON support the \uxxxx Unicode syntax so you can use json_decode to work on an artifically created JSON string representation. I changed the wording ...
What does the “__block” keyword mean?
What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know...
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How does one reorder columns in a data frame?
... @user4050: you can also use df[,c(1,3,2,4:ncol(df))] when you don't know how many columns there are.
– arekolek
Mar 15 '16 at 14:28
1
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How to map and remove nil values in Ruby
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Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.ev...
How to show google.com in an iframe?
...t. I am not longer able to get this to work for me. The custom search link now redirects to google.ca/webhp?btnG=&gws_rd=ssl which forces ssl and appears to be blocked in a iframe now. I will keep investigating this but it looks like the party might be over on this one... :(
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Getting back old copy paste behaviour in tmux, with mouse
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I use bind m set-option mouse\; display-message "Mouse is now #{?mouse,on,off}"
– Maxim Suslov
Aug 6 '18 at 10:51
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