yanhsiah

    priority_queue<string> pqZtoA;
    pqZtoA.push("hello"); pqZtoA.push("word");
    unordered_map<string, priority_queue<string>> mpZtoA;
    mpZtoA["key"] = pqZtoA;
    mpZtoA["key"].push("allen");
    while (!mpZtoA["key"].empty()) {
        cout << mpZtoA["key"].top() << ", ";
        mpZtoA["key"].pop();
    }
    cout << endl;

yanhsiah

    string minWindow(string s, string t) {
        vector<int> hash(128); // ASCII 0-127;
        int match = 0, start = 0, end = 0;
        int pos = start, len = INT_MAX; // return s.substr(pos, len);
        for (char c : t) hash[c]++;
        while (end < s.length()) {
            
            
            // Means it's one of the char in t
            if (hash[s[end]] > 0) { match++; }            

yanhsiah

class Solution {
public:
    int kthGrammar(int N, int K) {
        
        if (N == 1 && K == 1) return 0;
        if (K % 2) {
            return kthGrammar(N - 1, (K + 1) / 2) ? 1 : 0;
        } else {
            return kthGrammar(N - 1, (K + 1) / 2) ? 0 : 1;
        }

yanhsiah

import io.vertx.core.*;


public class ConcurrentLoop {

    private static String runTask(int idx) {
        System.out.println("run task " + idx + " on " + Thread.currentThread().getName());
        long sum = 0;
        for (long j = 0; j < Long.MAX_VALUE / 1000000000; j++) {
            sum += 1;

yanhsiah

{
  "created_at": "Fri Apr 04 05:40:26 +0000 2014",
  "id": 451957445636534300,
  "id_str": "451957445636534272",
  "text": "RT @anneotago: @jendab @chelsea_goulton @LogiBeer88 hoping for a good result this week in #gigatowndun :)",
  "source": "<a href=\"http://twitter.com/download/iphone\" rel=\"nofollow\">Twitter for iPhone</a>",
  "truncated": false,
  "in_reply_to_status_id": null,
  "in_reply_to_status_id_str": null,
  "in_reply_to_user_id": null,

yanhsiah

#!/bin/bash
wget https://gist.githubusercontent.com/yanhsiah/bd1c59d06f9daf149480182f85d117dd/raw/058cdd4c3511bbd83b1b2368edddc152f2c15c79/.tmux.conf;
sudo apt update; sudo apt install -y default-jre default-jdk openjdk-8-jdk maven;
sudo add-apt-repository ppa:webupd8team/java; sudo apt-get install -y oracle-java8-installer oracle-java8-set-default;
echo "JAVA_HOME=/usr/lib/jvm/java-8-oracle" >> ~/.bash_profile;
echo "JRE_HOME=/usr/lib/jvm/java-8-oracle/jre" >> ~/.bash_profile;
. ~/.bash_profile;
gcloud init; gcloud auth application-default login;
git clone https://github.com/GoogleCloudPlatform/cloud-bigtable-examples.git;
git clone https://github.com/CloudComputingTeamProject/CaptainMAL-S19.git;

yanhsiah

unbind C-b
set -g prefix ^A
bind a send-prefix

# set colors
set-window-option -g window-status-current-fg blue
set-window-option -g window-status-current-bg yellow
set-window-option -g window-status-current-attr default

# switch to next window

yanhsiah

vector<string> rearrange(vector<int>& baskets);

// [ 2 , 1 , 4 , 5 , 3 , empty_basket ]

vector<int> baskets = {2,1,4,5,3,0};
vector<string> commands = rearrange(baskets);
for (string command : commands) {
  cout << command << endl;
}

yanhsiah

https://gist.github.com/alexklibisz/7cffdfe90c97986f8393
https://www.ibm.com/developerworks/cn/linux/thread/posix_thread2/index.html
https://github.com/trenskow/TrReadWriteLock

yanhsiah

- (NSArray<NSIndexPath *> *)indexPathsFromItems:(NSArray *)items section:(NSUInteger)section
{
    NSMutableArray *indexPaths = [NSMutableArray arrayWithCapacity:items.count];
    [items enumerateObjectsUsingBlock:^(id tag, NSUInteger idx, BOOL *stop) {
        [indexPaths addObject:[NSIndexPath indexPathForItem:idx inSection:section]];
    }];
    return indexPaths;
}

[self.collectionView performBatchUpdates:^{