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Why is Github asking for username/password when following the instructions on screen and pushing a n
...cial answer to this:
If Git prompts you for a username and password every time you try to interact with GitHub, you're probably using the HTTPS clone URL for your repository.
Using an HTTPS remote URL has some advantages: it's easier to set up than SSH, and usually works through strict firewalls an...
Why is it bad style to `rescue Exception => e` in Ruby?
...al_cleanup
end
In the second case, critical cleanup will be called every time, whether or not an exception is thrown.
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Vagrant stuck connection timeout retrying
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@ParrisVarney: Most of the time, this hang is caused by the bootloader waiting for an entry to be selected. This is done by sending it the enter key, which you can either do using the GUI, or by using vboxmanage which the command line interface for Vir...
How to access random item in list?
...mewhere. Note that it's pretty important not to create a new instance each time you need a random number. You should reuse the old instance to achieve uniformity in the generated numbers. You can have a static field somewhere (be careful about thread safety issues):
static Random rnd = new Random()...
400 vs 422 response to POST of data
...ld now seem to be the best HTTP/1.1 status code for your use case.
At the time of your question (and my original answer), RFC 7231 was not a thing; at which point I objected to 400 Bad Request because RFC 2616 said (with emphasis mine):
The request could not be understood by the server due to m...
How to remove/ignore :hover css style on touch devices
...ts whenever a touch is detected.
function watchForHover() {
// lastTouchTime is used for ignoring emulated mousemove events
let lastTouchTime = 0
function enableHover() {
if (new Date() - lastTouchTime < 500) return
document.body.classList.add('hasHover')
}
function disableHo...
Django: How to manage development and production settings?
...ODULE=myapp.production_settings.
Note that you can run this export at any time from a shell — it does not need to live in your .bashrc or anything.
Setting DJANGO_SETTINGS_MODULE using a Process Manager
If you're not fond of writing a bootstrap script that sets the environment (and there are ve...
nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...et_size in steps 128, 256, 512, and so on (increasing by a power of 2 each time). eg. server_names_hash_bucket_size 128;
restart the nginx each time until error is gone (error will always be the same no matter what value you already set)
...
Disable spell-checking on HTML textfields
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Just because it was the best answer at the time. I'm guessing Michiel hasn't gone back through and marked the other one as correct. That would be fine with me since it is a better answer.
– Eric Wendelin
Aug 17 '09 at 17:27
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Time complexity of Sieve of Eratosthenes algorithm
...overall, amortized — you will move ahead to find the next number only n times in total, not per step. So this whole part of the algorithm takes only O(n).
So using these two you get an upper bound of O(n log log n) + O(n) = O(n log log n) arithmetic operations. If you count bit operations, sinc...