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How to create a multi-tenant database with shared table structures?
...quires the use of more
sophisticated design patterns.
As for technical and business considerations, the article makes a brief analysis on where a certain approach might be more appropriate than another:
The number, nature, and needs of the
tenants you expect to serve all affect
your data...
Counting the number of True Booleans in a Python List
...
That is not idiomatic and makes "abuse" of the type coercion of bool.
– Jan Segre
Sep 4 '14 at 22:19
26
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implements Closeable or implements AutoCloseable
I'm in the process of learning Java and I cannot find any good explanation on the implements Closeable and the implements AutoCloseable interfaces.
...
{" was not expected.} Deserializing Twitter XML
...ttribute();
xRoot.ElementName = "user";
// xRoot.Namespace = "http://www.cpandl.com";
xRoot.IsNullable = true;
XmlSerializer xs = new XmlSerializer(typeof(User),xRoot);
share
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improve this answer...
How to declare array of zeros in python (or an array of a certain size) [duplicate]
...histogram of counts... so I create buckets.
I know I could just go through and append a bunch of zeros i.e something along these lines:
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Delete an element from a dictionary
... del/assignment/etc. means you're going from constant time to linear time, and also using linear space. For small dicts, this is not a problem. But if you're planning to make lots of copies of large dicts, you probably want a different data structure, like a HAMT (as described in this answer).
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Why is it recommended to have empty line in the end of a source file?
Some code style tools recommend this and I remember seeing some unix command line tools warning about missing empty line.
8...
Node.js EACCES error when listening on most ports
...grade privileges after you have bound to the low port using process.setgid and process.setuid.
Running on heroku
When running your apps on heroku you have to use the port as specified in the PORT environment variable.
See http://devcenter.heroku.com/articles/node-js
const server = require('http'...
Sleep in JavaScript - delay between actions
...pdates, keeping some internal state, or whatever).
– Anders Sandvig
Feb 10 '10 at 8:28
5
This doe...
Deleting a resource using http DELETE
... (even if the resource never existed). The client wanted the resource gone and it is gone. Returning a 404 is exposing internal processing that is unimportant to the client and will result in an unnecessary error condition.
– Brian
Feb 16 '14 at 7:07
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