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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11327

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 17632

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 11338

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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Using PHP, can I put a foreach statement into a transient?

I'm working in WP using PHP and trying to reduce the load time of a function that fetches a lot of data. I thought transients would work, and (as shown below) I loaded the course query in transients, but it doesn't work with the foreach statement, or rather, I don't know how to set it up correctly to make it work. The main piece of code that slows everything down is the foreach statement, which gets the Vimeo video id for each topic, runs it through the vimeo_api() function, then gets the duration of the video, and then appends it to the topic id inside an array. from

2024-04-03 17:12:43

PHP session not saved when navigating between pages on my website

Why is my php session not saved when I browse website pages? I'm creating a website that uses a simple username-password pair to allow administrators to authenticate themselves on a login page. To do this, first a session is created when the user reaches the homepage, then when they click on the login button, they are redirected to a form to enter the username and password, then the form is sent to another one via POST method to verify the username and password If the page is valid, put a variable in the session containing the logged in admin username and then redirect to the admin dashboard, verify that the variable is

2023-09-13 10:17:32

Scroll event listener added to element but only moves correctly if scrollTop is not equal to 0

So I wrote this little script where I have two lists - Completed/Active Tasks, you can switch the task list by clicking on the button, and you can read more about the task by clicking on "More Info". When more info is clicked, a new div element is created and I want to follow it's host element Y position and it works half way. This is what it looks like: Enter image description here This is a bug, I'm pretty sure this error occurs when the scrollable element scrollTop is not 0 (it is created the right way and whenever I start scrolling , it will all go up immediately

2024-04-01 11:03:26

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

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Query whether vertices X and Y are in the same connected component of an undirected graph

Course Introduction：Graph theory covers the study of connected components, which are subgraphs in an undirected graph where every pair of vertices is linked by a path and no other vertex is connected to it. In this article, we will delve into how to use the C/C++ programming language to determine whether two vertices X and Y belong to the same connected component in an undirected graph. We will clarify the syntax and rationale of the method before clarifying at least two different ways to solve this problem. In addition, we will provide specific code examples and their corresponding results for each method. The code snippet provided by the syntax declares three functions in C++ for graphical representation. The isConnected function accepts two vertices X and Y and returns a Boolean value indicating whether they belong to the same connected component. ad

2023-09-05 comment 0 1151

What should I do if my iPhone always defaults to the secondary number when making calls? 'Understand in seconds: Attached: How to switch the primary and secondary SIM cards on iPhone XS Max'

Course Introduction：The mainland version of iPhone Methods/steps: First introduce the main card and secondary card: The card slot of iPhone . Now let’s start with the method of switching primary and secondary cards: Open settings, click “Cellular Network”; click Cellular “Mobile Data”, you can change from using the primary card traffic to using the secondary card traffic, and vice versa; the selected number will appear after A small √, as shown in the picture; in addition, you can also check "Switch cellular data" during the call

2024-02-06 comment 0 3278

How does Town Chef unlock the city? How does Town Chef unlock new levels?

Course Introduction：Whether you are a serious foodie or a skilled chef, if you love food, you must not miss "Town Chef"! Simple operation, click and play. Make food, feed every customer, earn money, and upgrade your exclusive kitchen. Here, you will constantly challenge new restaurants, meet cute and charming customers, unlock gourmet recipes from around the world, and become a gourmet master. How does the town chef unlock new levels? After entering the game, select a restaurant. Click the [green icon] on the page. Read the instructions and collect enough keys to complete the unlock.

2024-07-19 comment 0 577

Guide to clearing the level of 'The Master of Faults in Words' when the cook cooks and lowers the price of the meal

Course Introduction：Word Difference Master is a very fun puzzle and leisure level-breaking game. Some levels in the game are difficult. Among them, the level of the cook cooking requires you to lower the price of the meal. How to pass the level? The following is the guide for you to pass the level of "Text Difference Master" where the cook prepares rice and beats the price of the food. Friends who are interested should take a look at it together. I hope it will be helpful for you to pass the level. "Word Faultfinding Master" The cook cooks and brings down the price of the meal. Strategy for clearing the level. The cook cooks and brings down the price of the meal. 1. The cook cooks and brings down the price of the meal. In this level, you need to drag the magnifying glass to the place in the picture below. The position shown: 2. Note that the last one is in the hand of the cook aunt, the robot!

2024-06-06 comment 0 509

Which software can be used to open the .AI file format?

Course Introduction：The AI file format is a proprietary format of Adobe Illustrator and is commonly used to save vector graphics files. Vector graphics can be scaled and edited losslessly, so they are widely used in design, illustration, typography, and other fields. To open AI files, you need to use specialized software, the most important one being Adobe Illustrator software. Adobe Illustrator is specialized software for creating and editing vector graphics. It provides rich tools and functions to help designers create high-quality

2024-02-19 comment 0 1387

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