Programmer Think

Author: fabricated belief Original text: https://segmentfault.com/a/1190000013803247 This paper introduces several main new features of 8.0 in relational database. You may already know that MySQL has provided NoSQL storage function since version 5.7, and some improvements have been made in 8.0. However, since this function is rarely used in p ...

1, What is Emoji1.1 Emoji backgroundemoji is a kind of emoji, which comes from the Japanese vocabulary "Aiwen" (pseudonym "え Mo じ", pronunciation is emoji). Its creator is Shigetaka Kurita, a Japanese. He focuses on various elements in his childhood to get inspiration, such as Japanese comics and Japanese Chinese character ...

summaryIn various logs and tty output, we can always find various incorrectly encoded characters.�😸� `\xef\xbf\xbd\xf0\x9f\x98\xb8\xef\xbf\xbd` '\xe7\xb2\xbe\xe5\xa6\x99' `<<"你好">>`In this case, we subconsciously have three ideas:What is this (what should be the original content)?Where did you come from?Why is that?What should ...

1. Definition of post class A blog post should contain the most basic fields: title, author, publication time, summary, content, reference (reference can be written into the content). From the simplest point of view, first write the fields as English title, author, timestamp, summary, content. Of course, a database table must have a primary key ...

Characteristic: Different expressions are displayed according to different ratings, and they look like they can roll on a conveyor belt. Using pure code (svg) to draw expressions and stars for scoring html+css, no javascript, easy to get started: simple Welcome to my blog to read this article: http://clatterrr.com/archives... Source code: ...

Preface I'm working on SpEditTool: an EditText control that supports facial expressions, @mention, # topic, etc. This project has a very strange problem. When EditText enters too many expressions, deleting expressions from the middle will result in a very card situation, while deleting expressions from the end will not. Af ...

Java emoji persistence mysqlI haven't updated my blog for a long time. Today I share with you a question about emoji expression persistence. I believe that web developers have encountered such a problem, because we know that MySQL utf-8 character set can't save emoji expression characters. Why? Because ordinary strings or expressions occupy 3 b ...

From: http://sindrilin.com/ios-dev/2016/09/23/UITextField UITextField is used as an important control to obtain user information in project, but there are many pits in practical application: modifying keyboard type to limit the type of keyboard, but it is difficult to limit the type of input of third-party keyboard; restricting the length ...