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How to access accelerometer/gyroscope data from Javascript?
...recently come across a few websites that seems to access the accelerometer or gyroscope on my laptop, detecting changes in orientation or movement.
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What is the difference between g++ and gcc?
... is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
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Why does ~True result in -2?
... Add 1
Which is 2, but the sign is negative since the MSB is 1.
Worth mentioning:
Think about bool, you'll find that it's numeric in nature - It has two values, True and False, and they are just "customized" versions of the integers 1 and 0 that only print themselves differently. They are...
How to display gpg key details without importing it?
I have a copy of the postgresql apt repository gpg key and would like to view the details of the gpg key as it comes in the file. Is this possible without importing it into a key ring?
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What is the difference between a generative and a discriminative algorithm?
...nderstand the difference between a generative and a
discriminative algorithm, keeping in mind that I am just a beginner.
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`from … import` vs `import .` [duplicate]
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It depends on how you want to access the import when you refer to it.
from urllib import request
# access request directly.
mine = request()
import urllib.request
# used as urllib.request
mine = urllib.request()
You can also alias things yourself when you import fo...
I need to securely store a username and password in Python, what are my options?
I'm writing a small Python script which will periodically pull information from a 3rd party service using a username and password combo. I don't need to create something that is 100% bulletproof (does 100% even exist?), but I would like to involve a good measure of security so at the very least it w...
How can I check if a method is static using reflection?
...iscover at run-time ONLY the static Methods of a class, how can I do this?
Or, how to differentiate between static and non-static methods.
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What is the syntax rule for having trailing commas in tuple definitions?
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In all cases except the empty tuple the comma is the important thing. Parentheses are only required when required for other syntactic reasons: to distinguish a tuple from a set of function arguments, operator precedence, or to allow line breaks.
The trailing comma for tuples, lis...
Hidden Features of JavaScript? [closed]
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You don't need to define any parameters for a function. You can just use the function's arguments array-like object.
function sum() {
var retval = 0;
for (var i = 0, len = arguments.length; i < len; ++i) {
retval += arguments[i];
}
return...