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Input and output numpy arrays to h5py
...simple binary formats provided by numpy natively such as np.save, np.savez etc:
http://docs.scipy.org/doc/numpy/reference/routines.io.html
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Step-by-step debugging with IPython
...I place ipsh() right at the location where I need to do object inspection, etc. For example, say I want to debug my_function below
Using it:
def my_function(b):
a = b
ipsh() # <- This will embed a full-fledged IPython interpreter
a = 4
and then I invoke my_function(2) in one of the followi...
Passing variables in remote ssh command
...(if you don’t need the extensibility, have a single variable to process, etc.) would look like:
$ ssh user@somehost.com 'read foo' <<< "$foo"
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How to check which version of v8 is installed with my NodeJS?
...mation about node(i.e. node version,v8 version,platform,env variables info etc.)
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Expand a random range from 1–5 to 1–7
...nite decimal 0.15151515..., so we will produce as output 1, 5, 1, 5, 1, 5, etc.
Ok, so we have the main idea, but we have two problems left: we can't actually compute or store an infinitely precise real number, so how do we deal with only a finite portion of it? Secondly, how do we actually conver...
Send message to specific client with socket.io and node.js
...;
});
});
socket.on("message to master", function(msg) {
// Fetch the socket id from Redis
client.get("mastersocket", function(err, socketId) {
if (err) throw err;
io.sockets.socket(socketId).emit(msg);
});
});
});
I omitted the clustering code here, because it...
What are 'closures' in .NET?
... in which it was first created - i.e. it can still use the local variables etc of the method which created it, even after that method has finished executing.
The general feature of closures is implemented in C# by anonymous methods and lambda expressions.
Here's an example using an anonymous metho...
What is the difference between screenX/Y, clientX/Y and pageX/Y?
...d click around for myself! Open up your console in developer tools/Firebug etc and paste this:
document.addEventListener('click', function(e) {
console.log(
'page: ' + e.pageX + ',' + e.pageY,
'client: ' + e.clientX + ',' + e.clientY,
'screen: ' + e.screenX + ',' + e.screenY)
...
Difference between require, include, require_once and include_once?
... a generic page layout that has sections such as headers, columns, footers etc. This allows me to serve that template for every page on the site and I only need to create files in the page folder structure defining what should go into each of those positions. If I decide that a page doesn't need a s...
How to find where gem files are installed
...ronment Display information about the RubyGems environment
fetch Download a gem and place it in the current directory
generate_index Generates the index files for a gem server directory
help Provide help on the 'gem' command
insta...