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What's the point of map in Haskell, when there is fmap?
...
Quoting from the Functor documentation at https://wiki.haskell.org/Typeclassopedia#Functor
You might ask why we need a separate map function. Why not just do
away with the current list-only map function, and rename fmap to map
instead? Well, that’s a good q...
How to show math equations in general github's markdown(not github's blog)
...will help you find them.
given the following markdown syntax
it will display the following image
equation http://www.sciweavers.org/tex2img.php?eq=1%2Bs...
Composer killed while updating
...ried to install a new package to my Laravel 4 project.
But when I run php composer.phar update I get this:
14 Answers
...
From inside of a Docker container, how do I connect to the localhost of the machine?
...esolve to the internal IP address used by the host.
Linux support pending https://github.com/docker/for-linux/issues/264
MacOS with earlier versions of Docker
Docker for Mac v 17.12 to v 18.02
Same as above but use docker.for.mac.host.internal instead.
Docker for Mac v 17.06 to v 17.11
Same as...
What's the advantage of a Java enum versus a class with public static final fields?
...nums could contain multiple pieces of data which seems very advantageous ( http://docs.oracle.com/javase/tutorial/java/javaOO/enum.html ). However, since then I have found a lot of features missing that are trivial in C#, such as the ability to easily assign an enum element a certain value, and cons...
Include jQuery in the JavaScript Console
...hould be available...
var jq = document.createElement('script');
jq.src = "https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js";
document.getElementsByTagName('head')[0].appendChild(jq);
// ... give time for script to load, then type (or see below for non wait option)
jQuery.noConflict(...
Install tkinter for Python
...ages on Google - but in the end, it's easy.
Download the tcl and tk from http://www.tcl.tk/software/tcltk/download.html and install them locally too.
To install locally on Linux (I did it to my home directory), extract the .tar.gz files for tcl and tk. Then open up the readme files inside the ....
AngularJS ng-click stopPropagation
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
What is the best way to trigger onchange event in react js
...odepen with an example
To understand why new flag is needed I found this comment very helpful:
The input logic in React now dedupe's change events so they don't fire
more than once per value. It listens for both browser onChange/onInput
events as well as sets on the DOM node value prop (w...
Why are unnamed namespaces used and what are their benefits?
...the anonymous namespace gets a unique name.
Read the excellent article at comeau-computing Why is an unnamed namespace used instead of static? (Archive.org mirror).
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