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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17659

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11370

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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There is something wrong with the teacher's code

It is the admin/User/userlist method. I think it should not be written in the User.php file because there is a login method in the User controller. It will not integrate the base class and it will not verify whether the user has logged in. There is permission control, so if the teacher writes it like this, when the user does not log in, he can access the domain name /admin/User/userlist directly in the address. This is incorrect.

2018-12-27 16:53:15

USDT TRC20 transaction failed due to insufficient energy

I try to broadcast some USDT transactions every day, and after a few days, I receive OUT_OF_ENERGY messages for some transactions. I make some trades every day, sometimes I make about 30 trades. First, I tried staking about 20kTRX to gain energy and bandwidth, but it was not enough. When I triggered the transaction using a PHP script based on Trongrid documentation, it showed the fee limit as 10, so I increased the fee limit to 15TRX (15MSUN) but still no TRX was used to submit the transaction. But if I withdraw manually from TronLink wallet

2023-12-24 20:46:43

JavaScript Tips: How to Determine Browser Window Position

For various silly reasons, I want to be able to detect a rectangular area of the browser window on the screen, including the title bar. Is this possible, or is JavaScript only limited to the viewport of its page? EDIT: I may not have expressed it clearly, but the viewport is the part of the page that is visible in the window. This may not be a commonly used term among browsers, but it's common in graphics.

2023-08-22 15:53:05

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

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How to turn off regional restrictions on TikTok

Course Introduction：You can turn off Douyin's region-restricted settings. The steps to turn off are as follows: Open the Douyin app and go to the profile page. Click the menu icon and select "Settings & Privacy." Find "Region Country/Region" and click "Edit". In the region drop-down menu, select "Unlimited." Click the "Save" button to confirm the changes.

2024-05-04 comment 0 991

How to Limit Zoom Level and Control Visible Area in Google Maps v3?

Course Introduction：Restricting Map Viewable Area and Zoom Level in Google Maps v3You can restrict the visible area of the Google Map and control the zoom level to enhance user experience. Here's how to implement these limitations:Limiting Zoom Level:Use the minZoom and

2024-10-18 comment 0 505

Can Google Maps v3 Be Restricted to Display a Specific Area with Limited Zoom Levels?

Course Introduction：Limiting Viewable Area and Zoom Level in Google Maps v3Question:Can Google Maps v3 be restricted to display a specific area, with limited zoom levels?Answer:Yes, it is possible to achieve this using the following techniques:Limiting Viewable Area:Use

2024-10-18 comment 0 496

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