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Sass and combined child selector
... combined child selector you would probably do something similar to this:
foo {
bar {
baz {
color: red;
}
}
}
If you want to reproduce the same syntax with >, you could to this:
foo {
> bar {
> baz {
color: red;
}
}
}
This compiles to this:
foo >...
getenv() vs. $_ENV in PHP
...
Does not explain why $_ENV("FOO") and getenv("FOO") return different results.
– rich remer
Aug 10 '16 at 23:17
...
Best way to find if an item is in a JavaScript array? [duplicate]
...
Active
Oldest
Votes
...
How to debug Ruby scripts [closed]
...ion path of your code while calling .inspect on the method or object (e.g. foo):
raise foo.inspect
In the above code, raise triggers an Exception that halts execution of your code, and returns an error message that conveniently contains .inspect information about the object/method (i.e. foo) on t...
Is there a simple, elegant way to define singletons? [duplicate]
...en have to use the Instance method. Here's an example:
@Singleton
class Foo:
def __init__(self):
print 'Foo created'
f = Foo() # Error, this isn't how you get the instance of a singleton
f = Foo.instance() # Good. Being explicit is in line with the Python Zen
g = Foo.instance() # Retu...
How do I save and restore multiple variables in python?
...; from klepto.archives import file_archive
>>> db = file_archive('foo.txt')
>>> db['1'] = 1
>>> db['max'] = max
>>> squared = lambda x: x**2
>>> db['squared'] = squared
>>> def add(x,y):
... return x+y
...
>>> db['add'] = add
>>...
Traits in PHP – any real world examples/best practices? [closed]
...)
{
$this->logger->log($message, $level);
}
}
class Foo implements Logger
{
use Loggable;
}
And then you do (demo)
$foo = new Foo;
$foo->setLogger(new DemoLogger);
$foo->log('It works', 1);
I guess the important thing to consider when using traits is that they r...
How to mkdir only if a directory does not already exist?
...
Try mkdir -p:
mkdir -p foo
Note that this will also create any intermediate directories that don't exist; for instance,
mkdir -p foo/bar/baz
will create directories foo, foo/bar, and foo/bar/baz if they don't exist.
Some implementation like G...
How to call any method asynchronously in c#
...to fire-and-forget for async jobs:
using System.Threading.Tasks;
...
void Foo(){}
...
new Task(Foo).Start();
If you have methods to call that take parameters, you can use a lambda to simplify the call without having to create delegates:
void Foo2(int x, string y)
{
return;
}
...
new Task(() ...