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How to determine whether a variable is a variable name or an object name

How to determine whether a variable is a variable name or an object name

初心 2020-04-18 22:17:24

Is the naming convention for custom variables also in camel case?

Can I use the underline form?

其铭 2020-05-25 17:23:29

Directory naming rules

What is the opt directory for?

扬帆，起航 2020-11-16 21:17:54

When JavaScript declares a variable in the global object, it will become a property of the same name of the global object, but when it is declared in a function, it will not. Why?

In JavaScript, after a global variable is declared globally, it becomes a property of the global object with the same name. However, after a local variable is declared in a function, it will not become an attribute of the function (object). Instead, it must be declared using "function name.attr...

仅有的幸福 2017-06-26 10:58:35

Why do I need to enter the variable name when using the pathinfo method to access, but the teacher does not need to enter the variable name?

Why do I need to enter the variable name when using the pathinfo method to access, but the teacher does not need to enter the variable name http://tp5.com/index/demo/jia/n/20/m/10

GAOFLY 2017-09-07 11:12:24

Show only names in the same variable

I have a variable in PHP: <p><?phpecho$this->userInfo->name;?></p> This will output their first and last name (i.e. JoeBloggs) I only want to display their first and last name of the first character of their name (i.e. JoeB) I can show the first character of their name and hi...

P粉899950720 2023-09-05 09:41:43

Naming convention for folders in view

The controller file name is UserLogin and the class name is UserLogin.php. How should the corresponding folder in the view be named? Why can’t I access the username I named userlogin?

。。。。。。 2017-08-12 16:42:45

angular.js - directive naming rules?

Can directives only consist of lowercase letters? {code...} For example, hello ok helloA not work Hello not work hello_a not work hello-a not work What should I do if I want to name it with a phrase?

phpcn_u1582 2017-05-15 16:52:18

Design a user class USER. The variables in the class include user name, password and variables that record the number of users. Define class constructors, getters, and setters

Design a user class USER. The variables in the class include username, password and variables that record the number of users. Define the constructor method of the class, the methods for getting and setting passwords, and the methods for displaying user information.

李雅琦 2020-12-21 15:09:28

How to construct an expression with many variables with the same name pattern?

I have 50 variables in my system script. All of them are named the same way, for example: $case_un$case_deux$case_trois...$case_fourthy I need to build an expression with all these variables without writing code with 50 variable names! Since all my variable names start with the "case_" pat...

P粉310931198 2023-09-16 11:26:25

The target class does not exist. After renaming controller and model

When I start the project in Laravel, I have a ReturnController. But due to naming convention I had to rename it to OrderController. I renamed the controllers and models, I ran all phpartisancache:clear, phpartisanroute:cache, phpartisanconfig:cache...etc, but when I try to create an order in >vie...

P粉691958181 2024-01-16 17:26:39

How do I set a variable equal to the current user's username?

As mentioned in the question above, I'm trying to set a variable in my javascript as the value of the user's username. This is how my code is set up: functionsubmitApproveModal(){this_file=currentFile;varapprovers="";if(document.getElementById('approvers').checked){approvers='<?ph

P粉914731066 2024-01-16 21:37:21

Migrating to PHP 8.1 - How to fix deprecated passing null to parameter error - Rename build in function

PHP8.1 has deprecated passing null as a parameter to many core functions. My main problem is with functions like htmlspecialchars(php) and trim(php) where null is no longer silently converted to an empty string. To solve this problem without using a lot of code, I tried renaming the original built-i...

P粉420868294 2024-01-10 16:21:21

gitlab - git branch name case problem?

git checkout -b AB-123/master creates a new branch from master. Later, for naming convention, AB needs to be changed to lowercase, so git checkout master git branch -d AB-123/master deletes this branch, and then git checkout again -b ab-123/ma...

大家讲道理 2017-06-05 11:09:05

javascript - What do "HTML template" and "string template" in the vue document mean?

"HTML template" and "String template" are mentioned in the component naming convention chapter of Vue's official documentation. What do they mean specifically?

伊谢尔伦 2017-06-15 09:23:18

Visual Studio Code: Effective technique for clear dollar sign separation in variable names

I just switched from Atom to VisualStudioCode and I'm looking for a way to visually separate the dollar signs from variable names. Something like this is possible in Atom by editing a personal CSS stylesheet. After applying some CSS rules, this can be achieved: there is no space character between th...

P粉543344381 2024-03-21 20:31:19

angular.js - $scope. Can variable names be declared dynamically?

Can angular's variable names be dynamically generated? For example, like this {code...} I want to dynamically generate the variable name on the left, but it doesn't seem to work. Does anyone have a good way to solve dynamic naming?

漂亮男人 2017-05-16 13:19:50

Why doesn't the PHP I write work?

提示我：Notice: Undefined variable: var_dump in D:\phpStudy\PHPTutorial\WWW\my.php on line 11Fatal error: Function name must be a string in D:\phpStudy\PHPTutorial\WWW\my.php on l

　 2017-11-17 19:49:41

What is the correct return type replacement for JSX.Element when the global JSX namespace is deprecated?

In @types/react, the global JSX namespace has been deprecated: declareglobal{/***@deprecatedUse`React.JSX`insteadoftheglobal`JSX`namespace.*/namespaceJSX{...}} Since I have ESLint enabled deprecation/deprecation rules (from plugin eslint-plugin-deprecation), I now receive

P粉404539732 2023-10-26 21:00:38