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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...
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...
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...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...how normal button's pressed state. Even if I pressed the button for a long time, it just remained unpressed on the screen. I believe this is something that is handled by the map framework itself which probably makes sure not to show any transient state in the info windows. But I could be wrong, I di...
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()...
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)
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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...
java.net.SocketException: Connection reset
...ur TCP connection. This could happen if you don't send any data for a long time (2 hours is a common time-out), or because the peer was rebooted and lost its information about active connections. Sending data on one of these defunct connections will cause a RST too.
Update in response to addition...
How and/or why is merging in Git better than in SVN?
...gt;o
"Okay, so when did we merge last time?"
13 15
b1 …----->o-------->o
This is largely an issue by the repository design that Subversion has, in order to create a branch you need to create a new virtual directory in the reposi...