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Implementing observer pattern in PHP

// Implementation function: Notify security module and advertising module when logging in // Predefined interface: SplObserver observer and SplSubject observer class User implements SplSubject{protected $login_num; protected $hobby; protected $_subject; public function __const

只是沒(méi)有如果 2018-12-10 00:10:46 0  0  1181

javascript - Front-end packaging implementation

I would like to ask if the front-end has any technology related to the requirements of selecting the corresponding modules through the interface or other methods, packaging and exporting the corresponding front-end files, and removing irrelevant modules? For example: 1: Module one 2: Function one 3:...

三叔 2017-07-07 10:34:32 0  3  1095

node.js - How to post files in node?

I want to use node to call an API interface, and the interface parameters require uploading files. How to use the request module to achieve this operation? Ask God. . The current code is as follows: var config = require('./config'); var request = require('request'); var fs = require('f...

phpcn_u1582 2017-07-03 11:42:53 0  1  1437

javascript - vue+wangEdit的Cannot read property 'menus' of undefined

I want to make a background wheel for future development. I want to integrate wangEdit for the rich text editing of the middle form. I use vue+vue-router. It is planned to be made into an independent module. After the front-end calls the component, it requests the data interface provided by the back...

phpcn_u1582 2017-05-19 10:19:42 0  1  876

Why can't Python's __all__ prevent "content that is not exported cannot be accessed"?

The actual phenomenon is that __all__ can control module access. According to the community contract, private things start with _, but recently I found that a colleague adjusted the private interface (a module I wrote). Python is a flexible language, and the unwritten rule is "Convention is gre...

大家講道理 2017-05-18 10:50:54 0  2  869

File Server - How to implement file synchronization between Python servers?

How to use Python to copy files, for example, generate a configuration file through the WEB interface, then compare this file with the file on the remote server, and then synchronize it. What module is more suitable for this? And if it is a directory, what should I use? Implement a function similar ...

ringa_lee 2017-05-18 10:59:16 0  1  865

vim displays confusion in tmux

There are errors when accessing the remote server. Is there something wrong with the configuration? Then in IEX, when the code is modified and the server automatically reloads the module, the server's prompt information will also be continuously indented and displayed. The interface will be very con...

僅有的幸福 2017-05-16 16:33:56 0  1  809

javascript - Why declare dependencies in dependencies?

When you see the module installed by --save, it will be displayed in dependencies. And the modules in dependencies represent the dependencies of the production environment. Such as jQuery. But what I don't understand is, take jQuery as an example. Why should I declare dependencies in dependencies? I...

為情所困 2017-06-21 10:11:57 0  5  886

python2.7 - Python module installation failed

What I learned was exercise 46 in "Learning Python the Hard Way". After writing setup.py, a problem occurred when using setup.py to install the module. This is an error interface. I don’t understand why. Open https://pypi .python.org/simpl... website, the following is displayed. I don’t un...

給我你的懷抱 2017-07-05 10:47:44 0  1  1284

javascript - An understanding problem of es6 export

Dear folks, when I was watching Teacher Ruan Yifeng’s es6 introductory tutorial, I saw a section that I didn’t understand even after reading it many times. What needs special attention is that the export command specifies the external interface and must establish a one-to-one correspondence with the...

世界只因有你 2017-05-19 10:22:15 0  1  671

objective-c - How to use small for iOS plug-in development?

Are there any demos that I can learn from? The small ones I checked online are all for Android. I want to separate the modules of the APP, and then each module can be downloaded separately on the main page, similar to the download of QQ emoticons. Of course, it can also be deleted. For example, I ma...

阿神 2017-05-02 09:30:06 0  1  813

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  592

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1390

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2944

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1173

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1188

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11 0  0  1141

How to install php7

我無(wú)限黑暗里的小太陽(yáng)▼ 2017-10-11 09:11:44 0  1  1145

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過(guò) 2017-10-11 10:20:08 0  1  1365

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5212