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How do I convert an object to an array?
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Single-dimensional arrays
For converting single-dimension arrays, you can cast using (array) or there's get_object_vars, which Benoit mentioned in
his answer.
// Cast to an array
$array = (array) $object;
// get_object_vars
$array = get_...
Why does “split” on an empty string return a non-empty array?
Split on an empty string returns an array of size 1 :
8 Answers
8
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Query for documents where array size is greater than 1
...r-side processing page
for more information.
2.Create extra field NamesArrayLength, update it with names array length and then use in queries:
db.accommodations.find({"NamesArrayLength": {$gt: 1} });
It will be better solution, and will work much faster (you can create index on it).
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...ives first (§11.6.1). As per §9.1, converting an object (in this case an array) to a primitive returns its default value, which for objects with a valid toString() method is the result of calling object.toString() (§8.12.8). For arrays this is the same as calling array.join() (§15.4.4.2). Joinin...
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
...nverting to integer
Converting to float
Converting to string
Converting to array
Converting to object
Converting to resource
Converting to NULL
Type comparison table
As reference and example you can see the comparison table in the manual:
Loose comparisons with ==
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From Arraylist to Array
I want to know if it is safe/advisable to convert from ArrayList to Array?
I have a text file with each line a string:
9 An...
Find indices of elements equal to zero in a NumPy array
...n/method nonzero() to identify the indices of non-zero elements in an ndarray object. What is the most efficient way to obtain the indices of the elements that do have a value of zero?
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Given an array of numbers, return array of products of all other numbers (no division)
...explanation of polygenelubricants method is:
The trick is to construct the arrays (in the case for 4 elements)
{ 1, a[0], a[0]*a[1], a[0]*a[1]*a[2], }
{ a[1]*a[2]*a[3], a[2]*a[3], a[3], 1, }
Both of which can be done in O(n) by starting at t...
Remove last item from array
I have the following array.
25 Answers
25
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Comparing two NumPy arrays for equality, element-wise
What is the simplest way to compare two NumPy arrays for equality (where equality is defined as: A = B iff for all indices i: A[i] == B[i] )?
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