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Automatic post-registration user authentication
...ple using the newly recommended AbstractController. Both the security.token_storage and the session services are registered in the parent getSubscribedServices method so you dont have to add those in your controller.
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
us...
Finding current executable's path without /proc/self/exe
...
Some OS-specific interfaces:
Mac OS X: _NSGetExecutablePath() (man 3 dyld)
Linux: readlink /proc/self/exe
Solaris: getexecname()
FreeBSD: sysctl CTL_KERN KERN_PROC KERN_PROC_PATHNAME -1
FreeBSD if it has procfs: readlink /proc/curproc/file (FreeBSD doesn't have pr...
Using HTML in Express instead of Jade
...y use response.sendFile
app.get('/', function (req, res) {
res.sendfile(__dirname + '/index.html');
});)
From the official express api reference:
res.sendfile(path, [options], [fn]])
Transfer the file at the given path.
Automatically defaults the Content-Type response header field...
Using Sinatra for larger projects via multiple files
...layout.haml
login.haml
main.haml
config.ru
root = ::File.dirname(__FILE__)
require ::File.join( root, 'app' )
run MyApp.new
app.rb
# encoding: utf-8
require 'sinatra'
require 'haml'
class MyApp < Sinatra::Application
enable :sessions
configure :production do
set :haml, {...
Context switches much slower in new linux kernels
...erformance problem in recent kernels has to do with the switch to the intel_idle cpuidle driver from acpi_idle, the driver used in older kernels. Sadly, the intel_idle driver ignores the user's BIOS configuration for the C-states and dances to its own tune. In other words, even if you completely dis...
is_null($x) vs $x === null in PHP [duplicate]
... three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpo...
How do I get a file extension in PHP?
...t few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you other information, such as canonical path, depending on the constant you pass to it.
Remember that if you want to be able to deal with non ASCII characters, y...
An example of how to use getopts in bash
...ere it shouldn't, so change it into just h (without colon)
to expect -p any_string, you need to add p: to the argument list
Basically : after the option means it requires the argument.
The basic syntax of getopts is (see: man bash):
getopts OPTSTRING VARNAME [ARGS...]
where:
OPTSTRING is s...
Merge Images Side by Side(Horizontally)
... simple with ImageMagick (brew install imagemagick )
convert +append image_1.png image_2.png new_image_conbined.png
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In Python, when should I use a function instead of a method?
... as cars. You mention a duck, so let's go with that.
class duck:
def __init__(self):pass
def eat(self, o): pass
def crap(self) : pass
def die(self)
....
In the context of the "objects are real things" analogy, it is "correct" to add a class method for anything which the obje...