Hi! I'm Lonus Lan

记录一次数据库插入错误：java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\x8E \xF0...' for column

有更新！ 2021年06月10日 18:14:09 | 75 浏览 | 2 评论 | mysql

记录一次数据库插入表情时的报错解决方式错误复现：在向数据库插入类似表情 😄 😱 这样的数据时，发生了错误，示例如下： [ERROR 06-10 17:34:08 sor.CommentProcessor 363] Can not add comment on article org.b3log.latke.service.ServiceException: org.b3log.latke.repository.RepositoryException: java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\x8E \xF0...' for column 'commentContent' at row 1 at org.b3log.solo.service.CommentMgmtService.addArticleComment(CommentMgmtService.java:340) at org.b3log.solo.service.CommentMgmtService_$$_jvst268_4e._d0add....

根据链接规则获取七牛云图床的图片

有更新！ 2021年06月10日 16:14:04 | 84 浏览 | 3 评论 | html

根据链接规则获取七牛云的图床内的图片前提：已经使用了自动运行的py脚本每天爬取bing每日美图至七牛云，存储七牛云的链接规则为时间格式，例：https://imgbing.lonuslan.lan/{timestamp}，其中{timestamp}的格式为20200524(year + month + day)，实际链接如：https://imgbing.lonuslan.com/20210604 后续访问该链接的图床只需要通过一定的规则生成随机时间就可以使用了代码示例如下： <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <button class="test" onclick="test()">点击获取图片</button> <div id="showImg" style="margin: 0 auto....

About Me !

有更新！ 2021年05月29日 17:27:28 | 675 浏览 | 1 评论 | about

\color{green}{Do} \color{green}{you} \color{green}{believe} \color{green}{in} \color{green}{god?} \color{red}{Yes.} \color{green}{How} \color{green}{can} \color{green}{you?} \color{red}{I} \color{red}{can't} \color{red}{believe} \color{red}{in} \color{red}{people.} \color{red}{I} \color{red}{have} \color{red}{to} \color{red}{believe} \color{red}{in} \color{red}{something,} \color{red}{or} \color{red}{I'd} \color{red}{fall.} ? 我是谁？ 97后，2019年计算机科学与技术专业本科毕业，略知前端和增删改查的技术小白。现入职某运营商，暂时脱离了技术，向往靠....

使用IPRoyal Pawns贡献你的闲置带宽

有更新！ 2021年05月29日 17:00:13 | 1,078 浏览 | 0 评论 | 网赚挂机网赚自动网赚国外网赚

贡献闲置带宽，挂机获取收益概要网址：https://pawns.iproyal.com/ 类型：自动挂机类，贡献你的闲置带宽。平台：目前支持Windows平台、Mac平台（国外平台）后续会出linux版本、arm版本等。收益：每天大概 0.2USD, 一周妥妥的 1USD。2020年3月12日更新，现在已经下降至每天 $ 0.1，未来不知如何？收益更新（2021年5月29日）：目前收益降至一个月1USD左右，并且官方推出了Android版本，所以理论上如果你有一定数量的闲置手机或者有办法做到多开虚拟机并且分配单独的家用IP就能赚同等数量的 $ 。收款方式：只支持 Paypal 。最低提现额度：1USD。适合人群：学生，有闲置电脑的人（电脑上无重要资料）。适用网络：家用网络注册教程：点击推荐链接进入官网：https://pawns.iproyal.com/ 按图所示，点击注册只需要填写邮箱，即可注册，没有额外的信息验证。之后进入主页，这时会收到邮箱会收到来自IPRoyal的验证邮件，进入邮件点击验证即可，之后就可以下载软件开始挂机赚美金啦！进入设置，添....

Python基础练习100题

有更新！ 2021年05月28日 17:31:18 | 165 浏览 | 0 评论 | Python

Break The Ice With Python A journey of 100+ simple yet interesting problems which are explained, solved, discussed in different pythonic ways Introduction The exercise text contents of this repository was collected from GitHub account of zhiwehu. I collected it to practice and solve all the listed problems with python. Even after these collected problems are all set up, I will try to add more problems in near future. If you are a very beginner with python then I hope this 100+ exercise will hel....

Python 100 题 - Day08

有更新！ 2021年05月28日 17:30:36 | 123 浏览 | 0 评论 | Python

Question 22 Question: Write a program to compute the frequency of the words from the input. The output should output after sorting the key alphanumerically. Suppose the following input is supplied to the program: New to Python or choosing between Python 2 and Python 3? Read Python 2 or Python 3. Then, the output should be: 2:2 3.:1 3?:1 New:1 Python:5 Read:1 and:1 between:1 choosing:1 or:2 to:1 Hints In case of input data being supplied to the question, it should be assumed to be a con....

Python 100 题 - Day07

有更新！ 2021年05月28日 17:30:10 | 102 浏览 | 0 评论 | Python

Question 20 Question: Define a class with a generator which can iterate the numbers, which are divisible by 7, between a given range 0 and n. Suppose the following input is supplied to the program: 7 Then, the output should be: 0 7 14 Hints: Consider use class, function and comprehension. Main author's Solution: Python 2 The solution code for this problem was not as reltive to as the problem mentioned and there was a typing mistake while calling the function. Solution: Python 3 '''S....

Python 100 题 - Day06

有更新！ 2021年05月28日 17:29:46 | 110 浏览 | 0 评论 | Python

Question 18 Question: A website requires the users to input username and password to register. Write a program to check the validity of password input by users. Following are the criteria for checking the password: At least 1 letter between [a-z] At least 1 number between [0-9] At least 1 letter between [A-Z] At least 1 character from [$#@] Minimum length of transaction password: 6 Maximum length of transaction password: 12 Your program should accept a sequence of comma separated password....

Python 100 题 - Day05

有更新！ 2021年05月28日 17:29:17 | 103 浏览 | 0 评论 | Python

Question 16 Question: Use a list comprehension to square each odd number in a list. The list is input by a sequence of comma-separated numbers. >Suppose the following input is supplied to the program: 1,2,3,4,5,6,7,8,9 Then, the output should be: 1,9,25,49,81 Hints: In case of input data being supplied to the question, it should be assumed to be a console input. Main author's Solution: Python 2 ## The solution by the author is incorrect.Thus it's not included here. My Solution: Py....

Python 100 题 - Day04

有更新！ 2021年05月28日 17:28:46 | 155 浏览 | 0 评论 | Python

Question 14 Question: Write a program that accepts a sentence and calculate the number of upper case letters and lower case letters. Suppose the following input is supplied to the program: Hello world! Then, the output should be: UPPER CASE 1 LOWER CASE 9 Hints: In case of input data being supplied to the question, it should be assumed to be a console input. Main author's Solution: Python 2 s = raw_input() d = {"UPPER CASE":0, "LOWER CASE":0} for c in s: if c.isupper(): d["UPPER CASE....

Hi! I'm Lonus Lan 👋🏼