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Confusion between numpy, scipy, matplotlib and pylab
...otlib.
If you run ipython --pylab an automatic import will put all symbols from matplotlib.pylab into global scope. Like you wrote numpy gets imported under the np alias. Symbols from matplotlib are available under the mpl alias.
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How to write a switch statement in Ruby
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Many programming languages, especially those derived from C, have support for the so-called Switch Fallthrough. I was searching for the best way to do the same in Ruby and thought it might be useful to others:
In C-like languages fallthrough typically looks like this:
switch ...
Using Server.MapPath() inside a static field in ASP.NET MVC
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I think you can try this for calling in from a class
System.Web.HttpContext.Current.Server.MapPath("~/SignatureImages/");
*----------------Sorry I oversight, for static function already answered the question by adrift*
System.Web.Hosting.HostingEnvironment.Ma...
What is thread safe or non-thread safe in PHP?
...ways choose non-thread safe version because I always use nginx, or run PHP from the command line.
The non-thread safe version should be used if you install PHP as a CGI binary, command line interface or other environment where only a single thread is used.
A thread-safe version should be used if y...
Error handling with node.js streams
...l you have to do is :
include the stream module
instantiate ( or inherit from) the Transform class
implement a _transform method which takes a (chunk, encoding, callback).
The chunk is your data. Most of the time you won't need to worry about encoding if you are working in objectMode = true. T...
How can I print a circular structure in a JSON-like format?
...uilt-in (no installation is required), you must import it
import * as util from 'util' // has no default export
import { inspect } from 'util' // or directly
// or
var util = require('util')
To use it, simply call
console.log(util.inspect(myObject))
Also be aware that you can pass options object...
Does Typescript support the ?. operator? (And, what's it called?)
...rator (specifically, the "accessor variant" of the existential operator).
From CoffeeScript's documentation on Operators:
The accessor variant of the existential operator ?. can be used to soak up null references in a chain of properties. Use it instead of the dot accessor . in cases where the ...
setTimeout in for-loop does not print consecutive values [duplicate]
... is incorrect. The closure was already there since you could call alert(i) from an anonymous callback. The problem was closure references i from global for block. So the proper answer is: IIFE creates additional scope per iteration to bound i and pass it to the anonymous callback. Then closure refer...
How to change the remote repository for a git submodule?
... I wanted to change the submodule's URL only on this machine. From the parent project I could modify the record in .git/config by doing: git config submodule."$submodule_name".url "$new_url" which is also described here.
– joeytwiddle
Oct 27 '16 a...
How to revert to origin's master branch's version of file
...m in my local computer's master branch of a cloned master-branch of a repo from a remote server.
3 Answers
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