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Why does Python code use len() function instead of a length method?
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183
Strings do have a length method: __len__()
The protocol in Python is to implement this method o...
How does Google calculate my location on a desktop?
... time a query is performed to the system (probably in compliance with the W3C draft for the geolocation API) your computer sends the wifi identifiers it sees, and the system does two things:
queries its database if geolocation exists for some of the wifis you passed, and returns the "wardrived" po...
What is process.env.PORT in Node.js?
what is process.env.PORT || 3000 used for in Node.js? I saw this somewhere:
4 Answers
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What are Vertex Array Objects?
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Daniel Que
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answered Aug 6 '12 at 1:24
HughHugh
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What should I use Android AccountManager for?
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edited May 23 '17 at 10:31
Community♦
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answered Dec 23 '11 at 10:07
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Are table names in MySQL case sensitive?
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edited Apr 21 at 3:02
Peter Mortensen
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ASP.NET WebApi unit testing with Request.CreateResponse
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edited Jul 20 '17 at 8:31
SteveC
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answered...
Get the index of the nth occurrence of a string?
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Really? I can't remember ever having to do it in about 13 years of Java and C# development. That doesn't mean I've really never had to do it - but just not often enough to remember.
– Jon Skeet
Oct 9 '08 at 11:01
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How to test if parameters exist in rails
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351
You want has_key?:
if(params.has_key?(:one) && params.has_key?(:two))
Just checking...
The opposite of Intersect()
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385
As stated, if you want to get 4 as the result, you can do like this:
var nonintersect = array...