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Test if lists share any items in python
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322
Short answer: use not set(a).isdisjoint(b), it's generally the fastest.
There are four common ...
How can I convert the “arguments” object to an array in JavaScript?
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21 Answers
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Active
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Bring element to front using CSS
...ative to .content
#header {
background: url(http://placehold.it/420x160) center top no-repeat;
}
#header-inner {
background: url(http://placekitten.com/150/200) right top no-repeat;
}
.logo-class {
height: 128px;
}
.content {
margin-left: auto;
margin-right: auto;...
How to correctly use the extern keyword in C
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295
"extern" changes the linkage. With the keyword, the function / variable is assumed to be avail...
Time complexity of Euclid's Algorithm
..., which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal: a == b
Now we'll show that every single case decreases the total a+b by at least a quarter:
Tiny A: b % (a % b) < a a...
What is tail call optimization?
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772
Tail-call optimization is where you are able to avoid allocating a new stack frame for a functio...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
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120
conda-env now does this automatically (if pip was installed with conda).
You can see how this ...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
.... This depends on how you identify a user in your application.
In SignalR 2.0, this is done by using the inbuilt IPrincipal.Identity.Name, which is the logged in user identifier as set during the ASP.NET authentication.
However, you may need to map the connection with the user using a different id...