How to Update Multiple Array Elements in mongodb
I have a Mongo document which holds an array of elements. I’d like to reset the .handled attribute of all objects in the … Read more
arrays
Declare a constant array
I have tried: const ascii = “abcdefghijklmnopqrstuvwxyz” const letter_goodness []float32 = { .0817,.0149,.0278,.0425,.1270,.0223,.0202, .0609,.0697,.0015,.0077,.0402,.0241,.0675, .0751,.0193,.0009,.0599,.0633,.0906,.0276, .0098,.0236,.0015,.0197,.0007 } const letter_goodness = { .0817,.0149,.0278,.0425,.1270,.0223,.0202, .0609,.0697,.0015,.0077,.0402,.0241,.0675, … Read more
What is the easiest way to push an element to the beginning of the array?
I can’t think of a one line way to do this. Is there a way? 7 Answers 7
Swift Set to Array
An NSSet can be converted to Array using set.allObjects() but there is no such method in the new Set (introduced with Swift 1.2). … Read more
How to slice an array in Bash
Looking the “Array” section in the bash(1) man page, I didn’t find a way to slice an array. So I came up with … Read more
How to split a delimited string in Ruby and convert it to an array?
I have a string “1,2,3,4” and I’d like to convert it into an array: [1,2,3,4] How? 5 Answers 5
How can I extend typed Arrays in Swift?
How can I extend Swift’s Array<T> or T[] type with custom functional utils? Browsing around Swift’s API docs shows that Array methods are … Read more
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
I was going through the exercises in Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable: … Read more
How to return first 5 objects of Array in Swift?
In Swift, is there a clever way of using the higher order methods on Array to return the 5 first objects? The obj-c … Read more
Read lines from a file into a Bash array [duplicate]
This question already has answers here: Creating an array from a text file in Bash (6 answers) Closed 6 years ago. I am … Read more