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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11450

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 17735

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 11438

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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How to set text color to black in Flutter web app when device display mode is dark?

I've created a web app in Flutter and it works as expected, but I'm having issues with it on some mobile devices (specifically the default browser on Samsung devices, it works fine on Chrome). On the login page, my page background color is white and the text form field text color is black, but when I try to type on the text form field, it appears white (when the device display theme is dark). I tried hardcoding black but it doesn't work with dark theme. I also tried applying the theme under MaterialApp but nothing worked.

2023-09-11 20:16:42

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

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

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What is linux tab character

Course Introduction：The Linux tab character is a special control character used to insert horizontal tab characters in a text editor, terminal or command line interface. Its ASCII code is 9. It is usually used to create vertical alignment effects in text. Align multiple columns of data according to rules.

2023-07-14 comment 0 2351

How to Normalize Non-ASCII Text Input to ASCII Using the strings.Map Function?

Course Introduction：This article demonstrates a technique for normalizing non-ASCII characters in text input to their ASCII equivalents, specifically addressing the issue of curly quotes. It introduces the strings.Map function as a customizable and comprehensive solutio

2024-10-24 comment 0 880

ASCII numerical conversion application in PHP programming

Course Introduction：ASCII value conversion application in PHP programming In PHP programming, ASCII value conversion is a common operation, especially when dealing with string-related problems. ASCII (American Standard Code for Information Interchange) is a coding standard widely used in computers to represent characters in text. In ASCII encoding, each character corresponds to a unique

2024-03-29 comment 0 1008

Usage of /t in c++

Course Introduction：The /t escape sequence in C++ is used to insert a tab character (ASCII code 9) in a string, which can create columns in a table or aligned output, aligning text to columns of a specific width. Other escape sequences include /n (line feed), /r (carriage return), /v (vertical tab), /a (alarm), /b (backspace), and /f (form feed) ).

2024-04-28 comment 0 609

js code about text word limit_form effects

Course Introduction：js code about text word limit

2016-05-16 comment 0 1027

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