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How do I use HTML as the view engine in Express?

...will work, but to serve out HTML, there is no need to use a view engine at all, unless you want to set up funky routing. Instead, just use the static middleware: app.use(express.static(__dirname + '/public')); share ...
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How to print a number with commas as thousands separators in JavaScript

...urpose. Here is what I did: function numberWithCommas(x) { return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","); } function numberWithCommas(x) { return x.toString().replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ","); } function test(x, expect) { const result = numberWi...
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In Scala how do I remove duplicates from a list?

...ok at the ScalaDoc for Seq, scala> dirty.distinct res0: List[java.lang.String] = List(a, b, c) Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element order. You may want to use a Set implementation that ex...
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Is there a way to create multiline comments in Python?

... You can use triple-quoted strings. When they're not a docstring (the first thing in a class/function/module), they are ignored. ''' This is a multiline comment. ''' (Make sure to indent the leading ''' appropriately to avoid an IndentationError.) ...
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Postgres: “ERROR: cached plan must not change result type”

...RDS Postgres 10 instance, enabling the conservative setting does result in extra CPU usage on the database server. It wasn't much though, I could only even see the autosave functionality show up as using a measurable amount of CPU after I'd tuned every single query my load test was using and starte...
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Read first N lines of a file in python

... The with statement works on Python 2.6, and requires an extra import statement on 2.5. For 2.4 or earlier, you'd need to rewrite the code with a try...except block. Stylistically, I prefer the first option, although as mentioned the second is more robust for short files. ...
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The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis

...rs typing http were getting this error, putting in a rewrite rule to force all to https://{HTTP_HOST}/{R:1} fixed it – user1069816 Mar 24 '16 at 15:30 ...
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How does interfaces with construct signatures work?

...le involving interfaces new signatures that does work: interface ComesFromString { name: string; } interface StringConstructable { new(n: string): ComesFromString; } class MadeFromString implements ComesFromString { constructor (public name: string) { console.log('ctor invoked...
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How does deriving work in Haskell?

Algebraic Data Types (ADTs) in Haskell can automatically become instances of some typeclasse s (like Show , Eq ) by deriving from them. ...
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How to redirect to a 404 in Rails?

...ou want to show a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this: def not_found raise ActionController::RoutingError.new('Not Found') end Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way....