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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...
Adding multiple class using ng-class
...pressions evaluate to true:
<div ng-class="{class1 : expression1, class2 : expression2}">
Hello World!
</div>
To apply multiple classes when an expression holds true:
<!-- notice expression1 used twice -->
<div ng-class="{class1 : expression1, class2 : expression1}">
...
How can I remove specific rules from iptables?
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492
Execute the same commands but replace the "-A" with "-D". For example:
iptables -A ...
become...
C pointer to array/array of pointers disambiguation
...Mehrdad AfshariMehrdad Afshari
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Automatic post-registration user authentication
We're building a business app from the ground up in Symfony 2, and I've run into a bit of a snag with the user registration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
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Structs in Javascript
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edited Feb 2 '09 at 7:19
answered Feb 2 '09 at 6:41
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Xcode stuck on Indexing
A project I've been working for 2 months stopped working for no reason because Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project.
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