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Express: How to pass app-instance to routes from a different file?

...) method! documentation - http://expressjs.com/4x/api.html#router Example from their new generator: Writing the route: https://github.com/expressjs/generator/blob/master/templates/js/routes/index.js Adding/namespacing it to the app: https://github.com/expressjs/generator/blob/master/templates/js/ap...
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Is it good practice to use java.lang.String.intern()?

...ppropriate strings on input so you don't have to worry about it anymore. (from JGuru) Third disadvantage (Java 7 or less only): interned Strings live in PermGen space, which is usually quite small; you may run into an OutOfMemoryError with plenty of free heap space. (from Michael Borgwardt) ...
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Node.js Logging

... Winston doesn't allow for its configuration to be defined and read from a .json file. Poor design, imo. – miniml Oct 26 '15 at 1:47  |  ...
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pythonic way to do something N times without an index variable?

...ul -- except for the fact that you're used to it, why else would "count up from 0 to N-1 [[and completely ignore the count]] each time performing this count-independent operation" be intrinsically any clearer than "repeat N times the following operation"...? – Alex Martelli ...
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Get timezone from DateTime

...on associated with a DateTime value via some external mechanism. A quote from an excellent article here. A must read for every .Net developer. So my advice is to write a little wrapper class that suits your needs. share ...
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Retrieve the position (X,Y) of an HTML element relative to the browser window

... If you need it relative to another element, simply subtract one rectangle from the other: var bodyRect = document.body.getBoundingClientRect(), elemRect = element.getBoundingClientRect(), offset = elemRect.top - bodyRect.top; alert('Element is ' + offset + ' vertical pixels from <bod...
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Don't understand why UnboundLocalError occurs (closure) [duplicate]

...ignments bind names, so can imports, so you may also get UnboundLocalError from a statement that uses an unbounded imported name. Example: def foo(): bar = deepcopy({'a':1}); from copy import deepcopy; return bar, then from copy import deepcopy; foo(). The call succeeds if the local import from cop...
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Get JavaScript object from array of objects by value of property [duplicate]

... jsObjects.find(x => x.b === 6) From MDN: The find() method returns a value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned. Side note: methods like find() and arrow functions are not...
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Why there is no ConcurrentHashSet against ConcurrentHashMap

...no built in type for ConcurrentHashSet because you can always derive a set from a map. Since there are many types of maps, you use a method to produce a set from a given map (or map class). Prior to Java 8, you produce a concurrent hash set backed by a concurrent hash map, by using Collections.newS...
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Can't install Ruby under Lion with RVM – GCC issues

...nt versions of XCode you need to install the command-line tools separately from the XCode menu -> Preferences -> Downloads -> Components. This is a pre-requisite for doing any compiling with XCode on the command-line, not just Ruby. Note 2: If something doesn't work after following the ste...