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How to create a multi-tenant database with shared table structures?
...o a white-paper on Salesforce.com about how they implement multi-tenancy:
http://www.developerforce.com/media/ForcedotcomBookLibrary/Force.com_Multitenancy_WP_101508.pdf
They have 1 huge table w/ 500 string columns (Value0, Value1, ... Value500). Dates and Numbers are stored as strings in a forma...
How to convert hashmap to JSON object in Java
...lt;String, String>!
Other functions you can get from its documentation
http://stleary.github.io/JSON-java/index.html
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How do you list the active minor modes in emacs?
...eUploader: {
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warning: implicit declaration of function
...;string.h>
#include <math.h>
#include <libpic30.h> // http://microchip.wikidot.com/faq:74
#include <stdint.h>
#include <stdbool.h>
#include "GenericTypeDefs.h" // This has the 'BYTE' type definition
The above will not generate the "implicit declaration of function...
ExpressJS How to structure an application?
...ess');
var app = express();
module.exports = app;
function main() {
var http = require('http');
// Configure the application.
app.configure(function () {
// ... ... ...
});
app.configure('production', function () {
// ... ... ...
});
app.configure('development', function () {...
How to load up CSS files using Javascript?
... link.rel = 'stylesheet';
link.type = 'text/css';
link.href = 'http://website.com/css/stylesheet.css';
link.media = 'all';
head.appendChild(link);
}
This example checks if the CSS was already added so it adds it only once.
Put that code into a javascript file, have the end-use...
Git branch diverged after rebase
...you have to overwrite your remote branch:
git push -f origin experiment
http://git-scm.com/book/ch3-6.html
Explanation:
See how in this image C3 is not put as C3 after the rebase, but as C3'. This is because it is not exactly C3, but it has all of its code changes.
On this other image you ge...
AWK: Access captured group from line pattern
...
You can use GNU awk:
$ cat hta
RewriteCond %{HTTP_HOST} !^www\.mysite\.net$
RewriteRule (.*) http://www.mysite.net/$1 [R=301,L]
$ gawk 'match($0, /.*(http.*?)\$/, m) { print m[1]; }' < hta
http://www.mysite.net/
...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Python: How would you save a simple settings/config file?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...