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Side-by-side plots with ggplot2
...
You can use the following multiplot function from Winston Chang's R cookbook
multiplot(plot1, plot2, cols=2)
multiplot <- function(..., plotlist=NULL, cols) {
require(grid)
# Make a list from the ... arguments and plotlist
plots <- c(list(...), ...
Automatic HTTPS connection/redirect with node.js/express
...rl);
// Or, if you don't want to automatically detect the domain name from the request header, you can hard code it:
// res.redirect('https://example.com' + req.url);
})
// have it listen on 8080
http.listen(8080);
The https express server listens ATM on 3000. I set up these iptables rul...
Finding # occurrences of a character in a string in Ruby
... I really liked this answer until I noticed that you just took the string from the question :-) Still +1 though.
– Hubro
Sep 18 '13 at 11:05
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Programmatically change log level in Log4j2
...ersion 2.4 FAQ
You can set a logger’s level with the class Configurator from Log4j Core. BUT be aware that the Configurator class is not part of the public API.
// org.apache.logging.log4j.core.config.Configurator;
Configurator.setLevel("com.example.Foo", Level.DEBUG);
// You can also set the r...
How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
...with one line: res.removeHeader('www-authenticate'); // prevents browser from popping up a basic auth window.
– gstroup
Feb 13 '16 at 0:05
...
Proxy with express.js
...e-domain AJAX issues, I want my node.js web server to forward all requests from URL /api/BLABLA to another server, for example other_domain.com:3000/BLABLA , and return to user the same thing that this remote server returned, transparently.
...
Using boolean values in C
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From best to worse:
Option 1 (C99)
#include <stdbool.h>
Option 2
typedef enum { false, true } bool;
Option 3
typedef int bool;
enum { false, true };
Option 4
typedef int bool;
#define true 1
#define false 0
...
Python datetime - setting fixed hour and minute after using strptime to get day,month,year
...
Use datetime.replace:
from datetime import datetime
date = datetime.strptime('26 Sep 2012', '%d %b %Y')
newdate = date.replace(hour=11, minute=59)
share
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add created_at and updated_at fields to mongoose schemas
...(),
}
Check my original answer below on how to get the created timestamp from the _id field.
If you need to use IDs from external system, then check Roman Rhrn Nesterov's answer.
UPDATE: (2.5 years later)
You can now use the #timestamps option with mongoose version >= 4.0.
let ItemSchema = n...
How do I update Node.js?
...d nvm-setup.zip extract and install it.
execute command nvm list available from cmd or gitbash or powershell, this will list all available version of node
use command nvm install version e.g. nvm install 12.14.0 to install on the machine
last once installed use nvm use version to use newer versio...