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PHP - iterate on string characters
...rate on the characters of a string? I'd like to be able to do foreach , array_map , array_walk , array_filter etc. on the characters of a string.
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...of other objects. Both lists and sets are a type of collection. Tuples and Arrays are normally not considered to be collections. Some languages consider maps (containers that describe associations between different objects) to be a type of collection as well.
This naming scheme holds true for all p...
MongoDB: Combine data from multiple collections into one..how?
...e is now one document for each user with all of that user's comments in an array. If we were merging data that has a one-to-one relationship rather than one-to-many, it would be flat and you could simply use a reduce function like this:
reduce = function(k, values) {
var result = {};
value...
How do I access an access array item by index in handlebars?
I am trying to specify the index of an item in an array within a handlebars template:
9 Answers
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How do I use LINQ Contains(string[]) instead of Contains(string)
...[]) would imply that the uid as a string contains all of the values of the array as a substring??? Even if you did write the extension method the sense of it would be wrong.
[EDIT]
Unless you changed it around and wrote it for string[] as Mitch Wheat demonstrates, then you'd just be able to skip...
What's the $unwind operator in MongoDB?
...this is bad" }
],
other : { foo : 5 }
}
Notice how tags is actually an array of 3 items, in this case being "fun", "good" and "fun".
What $unwind does is allow you to peel off a document for each element and returns that resulting document.
To think of this in a classical approach, it would be ...
Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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How does LMAX's disruptor pattern work?
...re is a ring buffer involved, that it is initialized as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
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Converting JSON data to Java object
...ogle Gson supports generics and nested beans. The [] in JSON represents an array and should map to a Java collection such as List or just a plain Java array. The {} in JSON represents an object and should map to a Java Map or just some JavaBean class.
You have a JSON object with several properties o...
Convert a byte array to integer in Java and vice versa
I want to store some data into byte arrays in Java. Basically just numbers which can take up to 2 Bytes per number.
8 Answe...