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Curly braces in string in PHP
...
it allows for the use of complex expressions.
Any scalar variable, array element or object property with a string
representation can be included via this syntax. Simply write the
expression the same way as it would appear outside the string, and
then wrap it in { and }. Since { can not...
Best way to parse RSS/Atom feeds with PHP [closed]
...y 1 file to "require", and can fetch the RSS within 5 lines, with a decent array output.
– Raptor
May 11 '14 at 5:53
p...
How to implement has_many :through relationships with Mongoid and mongodb?
...MS you would model that differently in MongoDB using a field containing an array of 'foreign' keys on either side. For example:
class Physician
include Mongoid::Document
has_and_belongs_to_many :patients
end
class Patient
include Mongoid::Document
has_and_belongs_to_many :physicians
end
...
MassAssignmentException in Laravel
...ake all fields fillable, just declare on your class:
protected $guarded = array();
This will enable you to call fill method without declare each field.
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Log to the base 2 in python
...np.log2(x, y=None)
Docstring:
Return the base 2 logarithm of the input array, element-wise.
Parameters
----------
x : array_like
Input array.
y : array_like
Optional output array with the same shape as `x`.
Returns
-------
y : ndarray
The logarithm to the base 2 of `x` element-wise.
Na...
Fastest sort of fixed length 6 int array
...umbled upon an interesting sub-problem. What is the fastest way to sort an array of 6 integers?
23 Answers
...
PHP Regex to get youtube video ID?
...o accomplish, use those.)
parse_url takes a string and cuts it up into an array that has a bunch of info. You can work with this array, or you can specify the one item you want as a second argument. In this case we're interested in the query, which is PHP_URL_QUERY.
Now we have the query, which is...
Most efficient way to cast List to List
... in the list is a SubClass.
Generic collections do not behave the same as arrays in Java. Arrays are covariant; that is, it is allowed to do this:
SubClass[] subs = ...;
BaseClass[] bases = subs;
This is allowed, because the array "knows" the type of its elements. If someone attempts to store so...
Iterate through a C++ Vector using a 'for' loop
...ething based on the vector. In Java I might do something like this with an ArrayList:
12 Answers
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Why is it OK to return a 'vector' from a function?
...
I think you are referring to the problem in C (and C++) that returning an array from a function isn't allowed (or at least won't work as expected) - this is because the array return will (if you write it in the simple form) return a pointer to the actual array on the stack, which is then promptly r...