0bach0

// Need jQuery
// dataType and crossDomain for ignore CORS
// In case of loading adsbygoogle.js success, it still throw error related to the callback. That's why I only catch the 404 error

$.ajax({
    type: "HEAD", url: "https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js",
    dataType: 'jsonp',
    crossDomain: true,
    success: function (data, text) {
        // skip

0bach0

# Input format `CD-47　9課　聴解2　漫画アニメが学べる大学.mp3`
# Output `CD-47.mp3`

find . | while read f; do  mv "$f" "${f:0:10}.mp3"; done

0bach0

# I will hide the original source by [somewher], the file name will start by [abcd]
# 1st version: just assume there're around unlimit file. Will halt the command by using `Ctrl + C` when programs throw 404
for i in $(seq 1 10000); do curl -o abcd-${i}.jpg https://somewhere/${i}; done

# 2nd version: skip the progress bar and output only the http status code.
for i in $(seq 1 10000); do curl -w "%{http_code}" -s -o abcd-${i}.jpg https://somewhere/${i} | xargs; done

# 3rd version: there're around 130 images. So will download 150 images. After that can delete the empty image by UI (open the folder and check the thumbnail)
for i in $(seq 1 150); do curl -s -o abcd-${i}.jpg https://somewhere/${i} | xargs; done

0bach0

package jp.vietpro.vta;

public class SubSequence {
  public static boolean isSubsequence(String s, String t) {
    if(s.length()==0)
      return true;
    int sI=0;

    for (int tI=0; tI < t.length(); tI++ ){
      if (t.charAt(tI) == s.charAt(sI)){

0bach0

package jp.vietpro.vta;

class Solution {
  public static int romanToInt(String s) {
    int value = 0;
    char prevValue = '0';

    for (int i = 0; i < s.length(); i++) {
      if(i > 0)
        prevValue = s.charAt(i-1);

0bach0

2018-05-22 23:41:01.412 ERROR 42181 --- [nio-8080-exec-3] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause

java.lang.NullPointerException: null
	at com.csam.general.service.DormitoryRegistrationServiceImpl.initRegistration01(DormitoryRegistrationServiceImpl.java:61) ~[classes/:na]
	at com.csam.general.controller.DormitoryRegistrationController.registration01Get(DormitoryRegistrationController.java:37) ~[classes/:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_151]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]
	at org.springframework.web.method.support.InvocableHandlerMethod.doIn