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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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# ref: https://play.golang.org/p/OeEmT_CXyO | |
package main | |
import ( | |
"fmt" | |
"runtime" | |
"strconv" | |
"strings" | |
"sync" | |
) |
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#!/bin/bash | |
if [ -f ~/Library/KeyBindings/DefaultkeyBinding.dict ]; then | |
echo "~/Library/KeyBindings/DefaultkeyBinding.dict already exists" | |
exit -1 | |
fi | |
mkdir -p ~/Library/KeyBindings | |
cat << EOF > ~/Library/KeyBindings/DefaultkeyBinding.dict | |
{ | |
"₩" = ("insertText:", "\`"); |
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/*! | |
* Copyright 2012, Chris Wanstrath | |
* Released under the MIT License | |
* https://github.com/defunkt/jquery-pjax | |
*/ | |
(function($){ | |
// When called on a container with a selector, fetches the href with | |
// ajax into the container or with the data-pjax attribute on the link |
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-server | |
-XX:-UseAdaptiveSizePolicy | |
-XX:ParallelGCThreads=2 | |
-XX:+UseParNewGC | |
-XX:NewRatio=3 | |
-XX:+PrintGCDetails -XX:+PrintHeapAtGC | |
-XX:+HeapDumpOnOutOfMemoryError |