System directories
Method | Result |
---|---|
Environment.getDataDirectory() | /data |
Environment.getDownloadCacheDirectory() | /cache |
Environment.getRootDirectory() | /system |
External storage directories
System directories
Method | Result |
---|---|
Environment.getDataDirectory() | /data |
Environment.getDownloadCacheDirectory() | /cache |
Environment.getRootDirectory() | /system |
External storage directories
Let's have some command-line fun with curl, [jq][1], and the [new GitHub Search API][2].
Today we're looking for:
Below are the Big O performance of common functions of different Java Collections. | |
List | Add | Remove | Get | Contains | Next | Data Structure | |
---------------------|------|--------|------|----------|------|--------------- | |
ArrayList | O(1) | O(n) | O(1) | O(n) | O(1) | Array | |
LinkedList | O(1) | O(1) | O(n) | O(n) | O(1) | Linked List | |
CopyOnWriteArrayList | O(n) | O(n) | O(1) | O(n) | O(1) | Array | |
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A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x