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What is the difference between const_iterator and non-const iterator in the C++ STL?
...ation within a const class. On the other hand, that's pretty much the only time I've used a mutable in nearly twenty years of C++ development.
– Head Geek
Nov 22 '08 at 3:26
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Use of def, val, and var in scala
...ing def to define a function/method the body of the def is evaluated every time it is called. When using val it is evaluated only at the point of definition. See stackoverflow.com/questions/18887264/…
– melston
May 17 '15 at 15:07
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How do I get started with Node.js [closed]
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Node.js First Look
Node.js with MongoDB
Ryan Dahl's Google Tech Talk
Real Time Web with Node.js
Node.js Tutorials for Beginners
Pluralsight courses (paid)
Udemy Learn and understand Nodejs (paid)
The New Boston
Screencasts
Learn All The Nodes
Node Tuts
Einführung in Node.js (in German)
NodeCasts...
Does the order of LINQ functions matter?
...ems, only one of which had a code greater than 3, we'd be wasting a lot of time ordering results which would be thrown away.
Compare that with the reversed operation, filtering first:
var query = myCollection.Where(item => item.Code > 3)
.OrderBy(item => item.Creat...
What does [].forEach.call() do in JavaScript?
...mpts at functional programming, and stick to manual, inline looping, every time, because this solution is hack-ish and unsightly.
I'd say that while .forEach is less helpful than its counterparts, .map(transformer), .filter(predicate), .reduce(combiner, initialValue), it still serves purposes whe...
Is there a pattern for initializing objects created via a DI container
...I want to have some initialization parameters that are not known until run-time:
5 Answers
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How to extract a git subdirectory and make a submodule out of it?
I started a project some months ago and stored everything within a main directory.
In my main directory "Project" there are several subdirectories containing different things:
Project/paper contains a document written in LaTeX
Project/sourcecode/RailsApp contains my rails app.
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Difference between CTE and SubQuery?
...ommented). The query definitely has the potential to be executed multiple times if referenced multiple times; the query optimizer ultimately makes the decision as to how the CTE should be interpreted.
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String was not recognized as a valid DateTime “ format dd/MM/yyyy”
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Use DateTime.ParseExact.
this.Text="22/11/2009";
DateTime date = DateTime.ParseExact(this.Text, "dd/MM/yyyy", null);
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Is mathematics necessary for programming? [closed]
...heir sport. For example, footballers no doubt spend much of their training time on basic football skills. However, to improve their general fitness they might also spend time at the gym on bicycle or rowing machines, doing weights, etc.
Studying mathematics can be likened to weight-training or cro...