Soontao

class KMP:
    def partial(self, pattern):
        """ Calculate partial match table: String -> [Int]"""
        ret = [0]
        
        for i in range(1, len(pattern)):
            j = ret[i - 1]
            while j > 0 and pattern[j] != pattern[i]:
                j = ret[j - 1]
            ret.append(j + 1 if pattern[j] == pattern[i] else j)

Soontao

const kmp_partial = (pattern = "") => {

  const ret = [0]

  for (let i = 1; i < pattern.length; i++) {
    var j = ret[i - 1];
    while (j > 0 && pattern[j] != pattern[i]) {
      j = ret[j - 1]

Soontao

def trimSuffix(String original, String suffix) {
	if(original.endsWith(suffix)) {
	    return original.substring(0, original.length() - suffix.length())
	}
	return original
}

println(trimSuffix("www.qq.com",".com")) // www.qq
println(trimSuffix("www.qq.com","")) // www.qq.com
println(trimSuffix("www.qq.com","abc")) // www.qq.com

Soontao

package corp.sap.hana.datav.controllers.api.v1

import org.springframework.beans.factory.annotation.Autowired
import org.springframework.web.bind.annotation.GetMapping
import org.springframework.web.bind.annotation.PathVariable
import org.springframework.web.bind.annotation.RequestMapping
import org.springframework.web.bind.annotation.RestController

import corp.sap.hana.datav.repository.rate.ExchangeRateHistoryRepo

Soontao

{
    "$schema": "http://json-schema.org/draft-06/schema#",
    "$ref": "#/definitions/NodeTrainingConfiguration",
    "definitions": {
        "NodeTrainingConfiguration": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "author": {
                    "type": "string"

Soontao

SELECT * FROM   sys.schemas; -- select schemas 
SELECT * FROM   sys.tables; -- select tables 
SELECT * FROM   sys.table_columns; -- select columns of table 

Soontao

// run with jjs

print("crypt provider: " + javax.crypto.Cipher.getInstance("AES").getProvider());

var methods = ["AES","DES","RSA"];

for (var idx in methods) {
    var method = methods[idx]
    print(method + " key max length: " + javax.crypto.Cipher.getMaxAllowedKeyLength(method))
}

Soontao

// please run with jjs

var Cipher = javax.crypto.Cipher;
var KeyGenerator = javax.crypto.KeyGenerator;
var String = java.lang.String;
var Arrays = java.util.Arrays;
var SecureRandom = java.security.SecureRandom;
var SecretKeySpec = javax.crypto.spec.SecretKeySpec;

var share_secret_seed = "share_secret_seed";

Soontao

const fetch = require("node-fetch")
const { flatten, range } = require("lodash")
const { URLSearchParams } = require("url")

const weibo_search = async (text, page = 1) => {
  const query = new URLSearchParams();
  query.append("containerid", `100103type=61&q=${text}&t=0`)
  query.append("page_type", "searchall")
  query.append("page", `${page}`)

Soontao

MessageLog ml = messageLogFactory.getMessageLog(m)
ml.addAttachmentAsString(
  "aiib_acc_content.csv", 
  content, 
  "plain/text"
);