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HashMap get/put complexity
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In JDK 8, HashMap has been tweaked so that if keys can be compared for ordering, then any densely-populated bucket is implemented as a tree, so that even if there are lots of entries with the same hash code, the complexity is O(log n). That can cause issues if you have a key type where equality ...
Command-line Unix ASCII-based charting / plotting tool
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While gnuplot is powerful, it's also really irritating when you just want to pipe in a bunch of points and get a graph.
Thankfully, someone created eplot (easy plot), which handles all the nonsense for you.
It doesn't seem to have an option to force terminal gra...
How does cookie based authentication work?
...What does the browser need to do? What does the server need to do? In what order? How do we keep things secure?
3 Answers
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Difference between Ctrl+Shift+F and Ctrl+I in Eclipse
... just format tabs/whitespaces in code and pressing CTRL + SHIFT + F format all code that is format tabs/whitespaces and also divide code lines in a way that it is visible without horizontal scroll.
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How do I update a GitHub forked repository?
...rebased your branch onto upstream/master you may need to force the push in order to push it to your own forked repository on GitHub. You'd do that with:
git push -f origin master
You only need to use the -f the first time after you've rebased.
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accepting HTTPS connections with self-signed certificates
...server certificate". Are there any extra permissions that I have to set in order to make it work?
– Juriy
Feb 24 '11 at 21:59
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Build error: You must add a reference to System.Runtime
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I had to set 'Copy local' to true in order to make it work
– Phate01
Sep 14 '18 at 8:31
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Test if a vector contains a given element
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Maybe I come a little late. which(v, 'b'). Mind the order of the arguments.
– Niklas Mertsch
Dec 19 '18 at 19:40
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What's the meaning of interface{}?
...interface that has no methods.
Since there is no implements keyword, all types implement at least zero methods, and satisfying an interface is done automatically, all types satisfy the empty interface.
That means that if you write a function that takes an interface{} value as a parameter, yo...
How do I show the value of a #define at compile-time?
...ring. When there is more than one component to the argument then they must all be strings so that string concatenation can be applied. The preprocessor can never assume that an unquoted string should be treated as if it were quoted. If it did then:
#define ABC 123
int n = ABC;
would not compile.
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