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MySQL case-sensitive processing method
Article Introduction:MySQL case-sensitive handling methods and code examples MySQL is a commonly used relational database management system, which requires special attention when dealing with case-sensitive issues. In MySQL, it is case-insensitive by default, that is, it is not case-sensitive. But sometimes we need to perform case-sensitive processing, which can be achieved through the following methods. When creating databases and tables, specify the default character set as Bin (binary) type, so that the database will be case-sensitive. The specific operations are as follows: CREATE
2024-03-15
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826
How to distinguish between batch deletion and individual deletion in PHP
Article Introduction:How PHP distinguishes batch deletion and individual deletion: 1. It can be distinguished by the request method. When it is a POST request, it is batch deletion, otherwise it is individual deletion; 2. It is judged based on the incoming is_batch parameter. If it is 1, it is batch deletion. Otherwise, delete them individually.
2020-05-08
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2270
Is Python case-sensitive or case-insensitive?
Article Introduction:In this article, we will learn whether Python is case-sensitive or case-insensitive. What is case sensitivity? If a programming language distinguishes between upper and lower case characters, then it is said to be case sensitive. Have you ever tried to mix uppercase and lowercase letters in your password when logging into a website? For example, use TutorialsPOINT instead of tutorialspoint as the password. You may observe that uppercase letters and lowercase letters are considered different and changing case will prevent you from logging in. This is an example of case sensitivity in action. Case-sensitive programming languages distinguish between uppercase and lowercase letters. Therefore we have to use the exact case of the syntax, since changing case e.g. from prin
2023-08-31
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2182
How to distinguish between queue and stack in javascipt
Article Introduction:The content of this article is about how to distinguish queues and stacks in javascipt. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
2018-09-15
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1391
How to distinguish false from 0 in php_PHP tutorial
Article Introduction:How to distinguish false from 0 in php. In PHP, when a variable is 0, the variable is also "equal" to false. So how to distinguish between 0 and false? This is very useful in some conditional statements, as this article will illustrate. First look at the code:
2016-07-13
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1465
Blockchain wallet token address distinction
Article Introduction:Blockchain wallet token addresses are used to manage specific cryptocurrencies or tokens and are associated with the following key elements: Blockchain Network Token Type Address Format Checksum Character Length Case Sensitive Mnemonic Phrase Differentiating Different Token Addresses It is vital to ensure safe transfer of assets and avoid sending coins to incompatible addresses.
2024-04-08
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1055
How to query case sensitivity in mysql
Article Introduction:In mysql, you can use the binary keyword to query case-sensitive queries. The function of this keyword is to make case-sensitive queries in the query statement. The syntax is "select * from table name where binary field name like 'query field';".
2022-01-12
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5392
Laravel request handling: how to distinguish between different request types?
Article Introduction:Title: Laravel request handling: How to distinguish between different request types? When writing web applications, we often need to perform different actions based on the type of request sent by the user. Laravel, as a popular PHP framework, provides convenient methods to distinguish different request types, including GET, POST, PUT, DELETE, etc. This article will introduce how to identify and handle different types of requests in Laravel, and demonstrate the implementation method through specific code examples. First, we need
2024-03-07
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497
How to distinguish between left mouse button and right mouse click in jquery
Article Introduction:How jquery distinguishes left or right mouse clicks: You can use the [event.which] attribute to distinguish right clicks. The [event.which] attribute returns which keyboard key or mouse button was pressed on the specified event. The code is [switch (event. which)].
2020-12-11
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2468
How to make mysql query case sensitive
Article Introduction:In mysql, you can use the select query statement with the binary keyword to distinguish case. The select statement is used to query data, and the binary keyword is used to distinguish case. The syntax is "select * from table name WHERE binary field = field value".
2022-02-15
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18998