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Using numpy to build an array of all combinations of two arrays
... [3, 5, 6],
[3, 5, 7]])
numpy.meshgrid() use to be 2D only, now it is capable of ND. In this case, 3D:
In [115]:
%timeit np.array(np.meshgrid([1, 2, 3], [4, 5], [6, 7])).T.reshape(-1,3)
10000 loops, best of 3: 74.1 µs per loop
In [116]:
np.array(np.meshgrid([1, 2, 3], [4, 5], [6, ...
AWS MySQL RDS vs AWS DynamoDB [closed]
I've been using MySQL for a fair while now and I'm comfortable with its structure & SQL Queries etc.
4 Answers
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Delete last char of string
...s searching the string. It could be removing from somewhere in the middle. Now the maintenance programmer has to examine all uses of the method, to see what was trying to be accomplished. Not a good method to call, for this simple need of removing from the end of a string. Sorry for all the critici...
CSS for grabbing cursors (drag & drop)
... I saw the move icon, thought the grab icon was better. But now that you pointed out w3c considers that cursor "Indicates something is to be moved," it makes the most sense. Thanks.
– at.
Apr 18 '11 at 7:05
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How to avoid the “divide by zero” error in SQL?
... a much nicer way of doing it:
Select dividend / NULLIF(divisor, 0) ...
Now the only problem is to remember the NullIf bit, if I use the "/" key.
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Delete fork dependency of a GitHub repository
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In Github Enterprise you can find it now under admin->Collaboration->Network and depending on your use case you should use 'Make Root', 'Detach' or 'Extract'.
– Kutzi
Sep 2 '19 at 10:28
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Get Visual Studio to run a T4 Template on every build
...ow do I get a T4 template to generate its output on every build? As it is now, it only regenerates it when I make a change to the template.
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Advances social tools app with cool UI - Koded Apps - Kodular Community
...f (discourseReady) {
clearSplashInterval();
}
if (Date.now() > targetTime) {
swapSplash();
}
}, POLLING_INTERVAL);
})();
document.addEventListener("discourse-ready", () => {
discourseReady = true;
splashWrapper && splashWrapper.remove();
performa...
What's the difference between '$(this)' and 'this'?
...u get a set of elements back jQuery turns it into a jQuery object. If you know you only have one result, it's going to be in the first element.
$("#myDiv")[0] === document.getElementById("myDiv");
And so on...
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NodeJS: How to get the server's port?
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Express 4.x answer:
Express 4.x (per Tien Do's answer below), now treats app.listen() as an asynchronous operation, so listener.address() will only return data inside of app.listen()'s callback:
var app = require('express')();
var listener = app.listen(8888, function(){
console.lo...