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Appending to an object
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How about storing the alerts as records in an array instead of properties of a single object ?
var alerts = [
{num : 1, app:'helloworld',message:'message'},
{num : 2, app:'helloagain',message:'another message'}
]
And then to add one, just use push:
alerts....
Swift make method parameter mutable?
...ide. In this case (x fits in register) there is virtually no cost. If x is array, struct, or object that is mutated, then a copy almost certainly needs to be performed (unless the optimizer can analyze it inline and alias it).
– wcochran
Apr 14 '17 at 16:00
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How to remove specific element from an array using python
I want to write something that removes a specific element from an array. I know that I have to for loop through the array to find the element that matches the content.
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JavaScript property access: dot notation vs. brackets?
... variable name and so cannot be accessed through dot notation.
In case of Arrays
The elements in an array are stored in properties. Because the names of these properties are numbers and we often need to get their name from a variable, we have to use the bracket syntax to access them. The length pr...
Why is “a” != “a” in C?
... C, the expression "a" denotes a string literal, which is a static unnamed array of const char, with a length of two - the array consists of characters 'a' and '\0' - the terminating null character signals the end of the string.
However, in C, the same way you cannot pass arrays to functions by val...
Finding three elements in an array whose sum is closest to a given number
Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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How to convert a byte array to a hex string in Java?
I have a byte array filled with hex numbers and printing it the easy way is pretty pointless because there are many unprintable elements. What I need is the exact hexcode in the form of: 3a5f771c
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How to stop a JavaScript for loop?
I'm using this JavaScript to iterate through an array and find a matching array element:
4 Answers
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Uniq by object attribute in Ruby
What's the most elegant way to select out objects in an array that are unique with respect to one or more attributes?
14 An...
Java associative-array
How can I create and fetch associative arrays in Java like I can in PHP?
15 Answers
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