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Reuse Cucumber steps
...alid credentials"
Then "I should be logged in"
end
If all of the scenarios within a feature require this (or other steps), you can also add a Background to each features, with the common steps, like so:
Background:
Given I log in with valid credentials
Scenario: Change my password
Given I ...
HTML5 Pre-resize images before uploading
...reateElement("img");
var reader = new FileReader();
reader.onload = function(e) {img.src = e.target.result}
reader.readAsDataURL(file);
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
var MAX_WIDTH = 800;
var MAX_HEIGHT = 600;
var width = img.width;
var height = img.height;
if (wid...
How can I reset a react component including all transitively reachable state?
I occasionally have react components that are conceptually stateful which I want to reset. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
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What is the difference between children and childNodes in JavaScript?
...lly you don't want to loop over Text or Comment nodes in your DOM manipulation.
If you do want to manipulate Text nodes, you probably want .textContent instead. 4
1. Technically, it is an attribute of ParentNode, a mixin included by Element.
2. They are all elements because .children is a HTMLCo...
Show pop-ups the most elegant way
...m/bootstrap/) has an excellent $modal service (used to be called $dialog prior to version 0.6.0) that is an implementation of a service to display partial's content as a modal popup.
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improve...
Closing WebSocket correctly (HTML5, Javascript)
...g around with HTML5 WebSockets. I was wondering, how do I close the connection gracefully? Like, what happens if user refreshes the page, or just closes the browser?
...
node and Error: EMFILE, too many open files
For some days I have searched for a working solution to an error
17 Answers
17
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How to replace captured groups only?
...
A solution is to add captures for the preceding and following text:
str.replace(/(.*name="\w+)(\d+)(\w+".*)/, "$1!NEW_ID!$3")
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Where does the “flatmap that s***” idiomatic expression in Scala come from?
...
The reasoning behind this phrase is that you can replace a lot of tedious if/then/else code you would write with calls to flatMap (and other higher order functions).
This is especially true for Options (see http://tonymorris.github.io/blog/posts/scalaoption-cheat-sheet/)
But it applies to o...
Reading file contents on the client-side in javascript in various browsers
I'm attempting to provide a script-only solution for reading the contents of a file on a client machine through a browser.
...