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How can I remove an element from a list, with lodash?
...ect.subTopicId === stToDelete;
});
Alternatively, you can create a new array by filtering the old one with _.filter and assign it to the same object, like this
obj.subTopics = _.filter(obj.subTopics, function(currentObject) {
return currentObject.subTopicId !== stToDelete;
});
Or
obj.sub...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
...
You can use linear indexing to access each element.
for idx = 1:numel(array)
element = array(idx)
....
end
This is useful if you don't need to know what i,j,k, you are at. However, if you don't need to know what index you are at, you are probably better off using arrayfun()
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How can I reverse a NSArray in Objective-C?
I need to reverse my NSArray .
18 Answers
18
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Why declare a struct that only contains an array in C?
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It allows you to pass the array to a function by value, or get it returned by value from a function.
Structs can be passed by value, unlike arrays which decay to a pointer in these contexts.
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Getting a random value from a JavaScript array
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It is a simple one-liner
const randomElement = array[Math.floor(Math.random() * array.length)];
Example
const months = ["January", "February", "March", "April", "May", "June", "July"];
const random = Math.floor(Math.random() * months.length);
console.log(random, mon...
How to return an array from JNI to Java?
...estion. In this case, the JNI function in the example creates a number of arrays. The outer array is comprised of an 'Object' array creating with the JNI function NewObjectArray(). From the perspective of JNI, that's all a two dimensional array is, an object array containing a number of other inn...
How do you implement a Stack and a Queue in JavaScript?
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Javascript has push and pop methods, which operate on ordinary Javascript array objects.
For queues, look here:
http://safalra.com/web-design/javascript/queues/
Queues can be implemented in
JavaScript using either the push and
shift methods or unshift and pop
methods of the array object. Although
...
Quickest way to convert XML to JSON in Java [closed]
...E: org.json's XML.toJSONObject() also correctly converts xml lists to json arrays (unlike jackson's XmlMapper which by default silently swallows).
– Agoston Horvath
Oct 7 '16 at 9:33
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Converting 'ArrayList to 'String[]' in Java
How might I convert an ArrayList<String> object to a String[] array in Java?
16 Answers
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Get random item from array [duplicate]
Each item of this array is some number.
4 Answers
4
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