hfknight

/* setting the font-size to 16px. (or better, by using the browser’s default font-size). */
 
input[type='text'],
input[type='number'],
textarea {
  font-size: 16px;
}

hfknight

    public String getPermutation(int n, int k) {
        if (n <= 0 || k <= 0)
            return "";
        // can't use array because we need remove item each time
        // create the number array
        int mod = 1;
        ArrayList<Integer> nl = new ArrayList<Integer>();
        for (int i = 1; i <= n; i++) {
            nl.add(i);
            mod *= i; // calculate n!

hfknight

public int canCompleteCircuit(int[] gas, int[] cost) {
  int[] remain = new int[gas.length];
  
  for (int i = 0; i < remain.length; i++) {
    int j = i;
    boolean canComp = true;
    int capt = 0;
    
    do {
      capt += gas[j] - cost[j];

hfknight

1. htpasswd -c /usr/local/apache/passwd/passwords <username1>
   htpasswd /usr/local/apache/passwd/passwords <username12>
   
2. httpd.conf, add the following inside <Directory ....> section
   AuthType Basic
   AuthName "<Authentication Realm>"
   # (Following line optional)
   AuthBasicProvider file
   AuthUserFile /usr/local/apache/passwd/passwords
   #Require user <username>

hfknight

p:first-child:first-letter { float: left; color: #903; font-size: 75px; line-height: 60px; padding-top: 4px; padding-right: 8px; padding-left: 3px; font-family: Georgia; }

hfknight

cat *.txt |grep "YOUR_FILTER"|grep -vi "EXCLUDE_FILTER"|cut -d\" -f2|awk '{print$2}'|sort|uniq -c|sort -nr > report.log

Example:
cat report.log | grep -vi ".css\|.js\|.woff\|.eot\|.ttf\|.jpg\|.gif\|.png\|.ico" |grep -vi "wp-login.php\|wp-cron.php\|wp-admin\|robots.txt" | cut -d\" -f2|awk '{print$2}'|sort|uniq -c|sort -nr 

hfknight

rsync -rav --progress  "ssh -i KEY-PAIR.ppk"  /mnt/temp/ root@another-instance-ip-addr:/mnt/temp/

hfknight

if you open browser development tool's console and find some javascript errors like  "switchEditors is undefined" or "jquery is undefined", It appears that the new version of WordPress has some new performance optimisation features that concatenate all JavaScript resources into a single request.

Solution: put the following two lines of codes in wp-config.php:

define('CONCATENATE_SCRIPTS', false);
define('SCRIPT_DEBUG', true);

hfknight

SELECT table_schema "Data Base Name", SUM( data_length + index_length) / 1024 / 1024 "Data Base Size in MB" FROM information_schema.TABLES GROUP BY table_schema;

hfknight

font-family: … "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif; 

/* 中文字体之前的「…」代表西文字体 */