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java - Should I package the tool class I made into a jar and reference it every time, or should I paste the code every time I use it?

When we first started writing programs in Java, we wrote several tool classes of our own based on our projects. It was relatively simple to package them into jars and use them every time. However, if there were any modifications, we had to open a separate project for the tool class; if we change the...

過去多啦不再A夢 2017-06-23 09:13:16 0  4  899

When PHP uses a namespace, why should it be precise to a class under the namespace?

The code under the Tool.class.php file is: namespace CompanyTool; class Tool{ } My question is why if you use the Tool class in other files, you must write it like this: use Company\Tool\Tool. I thought I just need to write use Company\ Tool will do (I...

曾經(jīng)蠟筆沒有小新 2017-06-06 09:53:57 0  3  743

Advisory

Hello, Mr. Miejie, I really enjoyed listening to your Php class. I would like to ask what tool Ouyang Ke’s blog in the tutorial was written with. Are there any ready-made tools available?

杜勇兵 2022-11-19 18:34:10 0  1  845

Error when running laravel

I just changed an integrated tool. I just configured the domain name and accessed it. Then I got an error index.php:Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in E:\

奔跑者 2018-10-13 16:59:18 0  0  1443

java - How to call a piece of code by default before calling static method?

I now have a tool class with static methods in it, dedicated to external calls. Now I hope that before each call to these static methods, a method or code block that sets default parameters is called. It is similar to adding a static code block, but the static code block will only be executed when t...

淡淡煙草味 2017-06-12 09:25:34 0  8  1026

angular.js - How to create a global service like $http in Angular?

I want to write a global tool class. I declare ng service in a separate js file (and load it into html) {code...} Then I want to inject testModule into the controller of appmodule, but it prompts that the injection fails {code...} {code...}

某草草 2017-05-15 17:13:05 0  2  740

How to make methods under classes automatically complete in sublime?

I now use the sublime editor as a PHP learning and development tool. When I followed the study, I found that when Teacher Zhu entered the getLastInsID method under the Db class, he only needed to enter get and 3 Db class containing get would be brought out. method, and then quickly select one of the...

Binbin(斌斌老師) 2019-03-28 13:08:49 0  2  1073

java - Mybatis executes sql summation problem

This is a summation sql I need to execute. In the client, the query value count is 0.select count(1) as COUNT from dd_mst where ac_id=1000002400 and ac_seqn<>1 and ac_sts ='1' passed in the program The following tool class is called: The problem is, through...

淡淡煙草味 2017-06-14 10:51:48 0  1  769

What is the difference between PHP class declaration and instantiation?

I am a newbie. I found that many tool classes can be used by directly declaring them. For example, {code...} in laravel makes me confused. Does declaring a class variable instantiate the code? After searching on Baidu, no one asked about this issue in PHP language, only Java, and Java is like this.....

習慣沉默 2017-05-16 13:10:23 0  2  566

javascript - Jquery selector issue for crawling web pages

When using Jquery to analyze web pages, I feel that both writing methods should be able to choose. But in fact, the above writing method is OK, but the following URL is not: http://www.shindengen.co.jp/t... {code...} The dl I see in the F12 developer tool of chrome is <dl class="...

滿天的星座 2017-05-18 10:49:44 0  1  742

Thread safety issues of java connection to mysql

I have been searching the Internet for N days, and there are almost no thread-safe solutions. The same problem can be easily solved with Redis. I changed it to a tool class I found online. Please help me modify it or give me some guidance. My current idea is to add the synchronized keyword, but I st...

phpcn_u1582 2017-06-16 09:19:30 0  4  1209

Title rewritten to read: PHP 7 is no longer compatible with using deprecated PHP4-style class constructors

I'm trying to upgrade the PHP version of my WP website, which is hosted on SiteGround. The upgrade tool shows the following error: 33|WARNING|Using deprecated PHP4-style class constructors is not supported since PHP7 This is the code I found at the given location: functiongc_XmlBuilder($indent=''){$...

P粉713846879 2023-08-25 00:18:16 0  1  753

angular.js - webpack packaging large SPA configuration problem

The current project is a multi-page application. The front-end tool used is angular1.x and Webpack. To convert to SPA. Plan to use angular-ui-router for routing management. The problem is that packing all the files into one is too big. The idea is to only package vendor.js and certain business logic...

怪我咯 2017-05-15 17:13:06 0  3  925

Looking for an efficient way to handle a large number of repeated If statement checks

When I'm trying to create a search tool for a database I created for my undergraduate thesis, I need to do a lot of checking of user-entered values ??and generate and execute appropriate MySQL queries based on those values. An example is as follows: HTML code (partofthewholetable)<trid="tabl...

P粉421119778 2024-04-03 19:20:08 0  1  787

Create array with checkboxes using JavaScript

I want to create a combination game using checkboxes to check in some elements I need to create an array when the user checks the checkbox and compare it to the correct array I don't know who did this Here is my input <sectionclass=" draggable-items"><divclass="check-tool&quo...

P粉905144514 2024-02-26 08:50:20 0  1  461

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  586

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  1379

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  2935

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  1167

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  1180