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Are string.Equals() and == operator really same? [duplicate]
...unter, the == operator uses one or the other (or both), and generally only tests for ReferenceEquals when handling reference types (but the string Class is an instance where C# already knows how to test for value equality).
Equals compares values. (Even though two separate int variables don't exis...
How to calculate the SVG Path for an arc (of a circle)
...ome math. Here's a JavaScript function which should work (though I haven't tested it), and which I hope is fairly self-explanatory:
function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = angleInDegrees * Math.PI / 180.0;
var x = centerX + radius * Math.cos(an...
How to write binary data to stdout in python 3?
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Programs using this can't be tested in IDLE 3: AttributeError: 'PseudoOutputFile' object has no attribute 'buffer'
– Damian Yerrick
May 18 '17 at 18:55
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What is the best way to get all the divisors of a number?
... Greg' solution to generate the divisor.
We sort them, and return them.
I tested it and it seem to be a bit faster than the previous version. I tested it as part of a bigger program, so I can't really say how much is it faster though.
Pietro Speroni (pietrosperoni dot it)
from math import sqrt
...
Difference between \A \z and ^ $ in Ruby regular expressions
...of Regex treats \A as a literal 'A' (ref). So watch yourself out there and test.
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How to Use slideDown (or show) function on a table row?
... That's just plain showing off. Works awesome though (though haven't tested the callback functionality). One day I'll know enough jQuery to be able to reverse-engineer that.
– cartbeforehorse
Oct 18 '12 at 20:25
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What is HEAD in Git?
...inter for you to move around. Let’s say you create a new branch
called testing. You do this with the git branch command:
$ git branch testing
This creates a new pointer at the same commit you’re currently on
How does Git know what branch you’re currently on? It keeps a s...
Hashing a file in Python
...ss memory than the 2gb it would take to hash the guy all at once!
You can test this with:
$ mkfile 2g bigfile
$ python hashes.py bigfile
MD5: a981130cf2b7e09f4686dc273cf7187e
SHA1: 91d50642dd930e9542c39d36f0516d45f4e1af0d
$ md5 bigfile
MD5 (bigfile) = a981130cf2b7e09f4686dc273cf7187e
$ shasum bigf...
How does Google calculate my location on a desktop?
...position from my desktop without any wireless network card installed?". By testing this on my own i see that it only knows my position, when i'm logged in with my Google account. When I use another browser which is not logged in with my Google account, my location would be in the nearest big city (I...
What is process.env.PORT in Node.js?
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terminal: set a new user environment variable, not permanently
export MY_TEST_PORT=9999
app.js: read the new environment variable from node app
console.log(process.env.MY_TEST_PORT)
terminal: run the node app and get the value
$ node app.js
9999
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