How do I prepend to a short python list?
list.append() appends to the end of a list. This explains that list.prepend() does not exist due to performance concerns for large lists. For a short list, how do I prepend a value?
View ArticleAnswer by hurrymaplelad for Depend on a branch or tag using a git URL in a...
Solution 1From the npm docs, using a git URL:https://github.com/<user>/<project>.git#<branch>https://github.com/<user>/<project>.git#feature\/<branch>Don't use...
View ArticleDepend on a branch or tag using a git URL in a package.json?
Say I've forked a node module with a bugfix and I want to use my fixed version, on a feature branch of course, until the bugfix is merged and released. How would I reference my fixed version in the...
View ArticleDoes Varnish-devicedetect cookie based User-agent override require vary:...
varnish-devicedetect lets me return different responses based on User-agent:...elsif (req.http.User-Agent ~ "(?i)ipad") { set req.http.X-UA-Device = "tablet-ipad"; }elsif (req.http.User-Agent ~...
View ArticleClosest ancestor matching selector using native DOM?
Is anybody working on a jQuery.closest() equivalent in the DOM api?Looks like the Selectors Level 2 draft adds matches() equivalent to jQuery.is(), so native closest should be much easier to write. Has...
View ArticleObject.keys() complexity?
Anyone know the time-complexity of ECMAScript5's Object.keys() in common implementations? Is it O(n) for n keys? Is time proportional to the size of the hash table, assuming a hash implementation?I'm...
View ArticleAnswer by hurrymaplelad for How to test client-side code with NodeUnit
nodeunit-browser-tap+Testling is another option if you're set on nodeunit.The Testling npm package gets you command line output for tests run in a local browser.Testling.com gets you free cross browser...
View ArticleAnswer by hurrymaplelad for How to test client-side code with NodeUnit
Karma runner has a nodeunit adapter to run nodeunit tests in browsers and PhantomJS. Here's an example test entrypoint and Gruntfile using Browserify to run tests written in CommonJS modules (exports).
View ArticleType expression describing the string literal union of enum names?
Given:class Color(Enum): RED = 1 GREEN = 2 BLUE = 3Is there a type expression Foo such that:Foo[Color] = Literal["RED", "GREEN", "BLUE"]
View ArticleHow to tell if a name is a tag, bookmark, or named branch?
Given a nice string labe that works with hg show (ex: hg show stable), how can I determine if stable is a tag name, a bookmark name, or a named branch?
View ArticleAre ES6 template literals faster than string concatenation?
Does HTML code generation run measurably faster in modern browsers when using string concatenation or template literals in ES6?For example:String concatenation"<body>"+"<article>"+"<time...
View ArticleHow do I compile coffeescript before publishing to NPM?
I wrote a simple module in CoffeeScript, but I want to publish the compiled JavaScript to NPM. I don't want to manually run the coffee command each time, that's too much typing and I'll probably forget...
View ArticleAnswer by hurrymaplelad for How do I get the directory where a Bash script is...
$_ is worth mentioning as an alternative to $0. If you're running a script from Bash, the accepted answer can be shortened to:DIR="$( dirname "$_" )"Note that this has to be the first statement in your...
View ArticleCan I Vary on a custom header?
I'm bucketing User-Agents by device using something like varnish-devicedetect and storing the result in X-UA-Device on the request and the response. I've seen several recommendations to vary on...
View ArticleDo browsers merge form action querystring params with fields?
Consider this form:<form method="GET" action="/signup?foo=1"><input type="hidden" name="bar" value="2"/><input type="submit"/></form>Will browsers reliably request...
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Answer by hurrymaplelad for Do browsers merge form action querystring params...
No.JS Fiddle suggests Chrome will discard foo=1, and request /signup?bar=2.
View ArticleDoes position: fixed create a new stacking context for z-indicies?
The z-index spec makes no special mention of position: fixed, but this fiddle orders elements differently on Chrome 24. Does setting position: fixed create a new stacking context for child elements?
View ArticleWhen would I use a Hack dict over a PHP array?
The docs are pretty light. The interface looks almost identical to an array.When should I prefer a dict?
View ArticleLoading Google Maps API V3 asynchronously with dojo.io.script fails silently
Smushing Google's asynchronous loading docs into dojo's asynchronous loader yields: dojo.io.script.get({ url: 'http://maps.googleapis.com/maps/api/js', jsonp: 'callback', content: { sensor: 'false' },...
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Answer by hurrymaplelad for Improving graphviz layout
TikZ generates beautiful graph layouts. You can use a manual layout that lets you specify the minimum of hints, or you can ask for automatic layout. Defaults are good, and hooks exist to tweak to...
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