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numpy: most efficient frequency counts for unique values in an array
...p.array([1,1,1,2,2,2,5,25,1,1])
y = np.bincount(x)
ii = np.nonzero(y)[0]
And then:
zip(ii,y[ii])
# [(1, 5), (2, 3), (5, 1), (25, 1)]
or:
np.vstack((ii,y[ii])).T
# array([[ 1, 5],
[ 2, 3],
[ 5, 1],
[25, 1]])
or however you want to combine the counts and the uni...
How to do case insensitive search in Vim
... Also, \c can appear anywhere in the pattern, so if you type a pattern and then decide you wanted a case-insensitive search, just add a \c at the end.
– Alok Singhal
Feb 18 '10 at 9:20
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IPC performance: Named Pipe vs Socket
...y? I would prefer to use sockets because they can do two-way communication and are very flexible but will choose speed over flexibility if it is by considerable amount.
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How to construct a WebSocket URI relative to the page URI?
...
If your Web server has support for WebSockets (or a WebSocket handler module) then you can use the same host and port and just change the scheme like you are showing. There are many options for running a Web server and Websocket server/module together.
I would suggest that you look at t...
“unary operator expected” error in Bash if condition
...it's much easier to always use the double bracket conditional compound command [[ ... ]], instead of the Posix-compatible single bracket version [ ... ]. Inside a [[ ... ]] compound, word-splitting and pathname expansion are not applied to words, so you can rely on
if [[ $aug1 == "and" ]];
to co...
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...re a universal JavaScript function that checks that a variable has a value and ensures that it's not undefined or null ? I've got this code, but I'm not sure if it covers all cases:
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Java's Virtual Machine and CLR
As a sort of follow up to the question called Differences between MSIL and Java bytecode? , what is the (major) differences or similarity in how the Java Virtual Machine works versus how the .NET Framework Common Language Runtime (CLR) works?
...
Customizing the template within a Directive
...in order for the form's controller to recognize its newly formed existence and include it in validation. I could not get it to work in a directive's compile property.
– m.e.conroy
Mar 24 '14 at 15:08
...
How to scale Docker containers in production
So I recently discovered this awesome tool, and it says
10 Answers
10
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function declaration isn't a prototype
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In C int foo() and int foo(void) are different functions. int foo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean n...