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JavaScript Nested function
...n attached to an object that is accessible outside the function:
function foo(doBar)
{
function bar()
{
console.log( 'bar' );
}
function baz()
{
console.log( 'baz' );
}
window.baz = baz;
if ( doBar ) bar();
}
In this example, the baz function will be available for use af...
How to get a variable name as a string in PHP?
...ad. So the identity comparison yields true for equals scalar values ($a = 'foo'; $b = 'foo'; assert($a === $b);)?
– Argelbargel
Nov 1 '08 at 0:46
...
How do I reference an existing branch from an issue in GitHub?
Let's say I have a branch named feature/1 . And also issue #1. I want to link that branch to that issue.
5 Answers
...
SQL standard to escape column names?
...
According to SQLite,
'foo' is an SQL string
"foo" is an SQL identifier (column/table/etc)
[foo] is an identifier in MS SQL
`foo` is an identifier in MySQL
For qualified names, the syntax is: "t"."foo" or [t].[foo], etc.
MySQL supports the stand...
Include constant in string without concatenating
...
Yes it is (in some way ;) ):
define('FOO', 'bar');
$test_string = sprintf('This is a %s test string', FOO);
This is probably not what you were aiming for, but I think, technically this is not concatenation but a substitution and from this assumption, it inclu...
Why is there a `null` value in JavaScript?
...d can't tell you whether the variable/property exists or not.
console.log(foo); // "ReferenceError: foo is not defined"
// foo does not exist
var foo;
console.log(foo); // "undefined", a different response
console.log(foo === undefined); /...
Is it possible to make abstract classes in Python?
...mport ABC, abstractmethod
class Abstract(ABC):
@abstractmethod
def foo(self):
pass
# Python 3.0+
from abc import ABCMeta, abstractmethod
class Abstract(metaclass=ABCMeta):
@abstractmethod
def foo(self):
pass
# Python 2
from abc import ABCMeta, abstractmethod
c...
Why doesn't c++ have &&= or ||= for booleans?
... can happen &&= and ||= were used as syntactic sugar for bool foo = foo && bar and bool foo = foo || bar ?
...
Find a private field with Reflection?
...
You can do it just like with a property:
FieldInfo fi = typeof(Foo).GetField("_bar", BindingFlags.NonPublic | BindingFlags.Instance);
if (fi.GetCustomAttributes(typeof(SomeAttribute)) != null)
...
share
...
JavaScript private methods
...se_restroom is visible to all
private_stuff();
}
this.buy_food = function() { // buy_food is visible to all
private_stuff();
}
}
share
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