html5 - What is the idea of ​​​​implementing micro-scenarios in H5? How to set up the environment? Please help me to guide you. If there are any good courses, I would like to recommend them.

Now the company is going to create a micro-scenario. I hope it will be interesting. I have never done it before and I don’t know how to implement it. Is there any framework and what is the idea? I would like to recommend some good courses or articles. Thank you, masters.

仅有的幸福 2017-06-08 11:03:18 0  1  741

How to solve /opt/lampp/bin/mysql.server: line 261: log_success_msg: command not found

After installing xampp in my linuxmanjaro, I encountered this error. Previously, even with this error, it worked fine the first time I opened phpmyadmin and executed some queries. But somehow phpmyadmin shows blank screen. How can I solve it? Update: The black screen no longer appears, but the warni...

P粉056618053 2023-11-08 08:46:06 0  1  1109

"waitForSelector" times out before the element becomes visible, even though the element is on screen

I'm building a checkout bot but I'm having trouble with those stupid "enter your phone number to receive a text message" pop-ups where the element I tell the bot to click appears on the screen but the bot doesn't click on it. This is my first project using JavaScript and I have no idea wha...

P粉761718546 2024-04-04 18:31:08 0  1  1730

How to test color changes on a website?

I want to replace 10 specific colors with new colors as per requirement (eg: #ddd replaced with #000. Different replacement like this). I just found and replaced over 300 places in all my css files. Now, want to test on the website whether all colors are replaced correctly. With over 300 places, it'...

P粉032900484 2024-04-01 15:21:14 0  1  395

A classic interview question in C language under Linux

If you use the GCC compiler to execute the following program under Linux, what is the output? {Code...} Just know that it involves type conversion, data truncation and filling. But don’t know the specific explanation? Original question source: Several classic interview questions in C language under ...

过去多啦不再A梦 2017-06-26 10:59:02 0  2  1166

javascript - What is the role of var xxx=null in front of the delayed execution function setTimeout?

Sorry for posting this for the first time... I want to make an effect. After the mouse stays on the div for two seconds, some functions will be executed. It will not be executed for more than two seconds. Then I found the setTimeout function online and successfully solved it. Because I have been sel...

伊谢尔伦 2017-05-19 10:38:43 0  3  588

CSS drop cap image, text aligned in white space

I don't think this is an everyday dropcap situation. My capital "S" is an image like this: Note that the actual image extends all the way to the upper column. The top bar is part of the same image, containing the large S and the drawing to the left of the S. I colored the background blue s...

P粉415632319 2023-09-05 21:42:04 0  2  571

System analysis learning direction

Please ask: As a system analyst, my usual work includes demand research, demand analysis and writing application design documents. I want to improve myself, but I don’t know which aspect of knowledge to learn. Please give me some advice. Thank you.

珍妮亚 2020-04-16 20:48:52 0  0  899

Import CSV files into Firebase: Step-by-step guide

I found that we can import json files into firebase. I'm wondering if there is a way to import a CSV file (my file probably contains around 50K or more records with around 10 columns). Does it make sense to have such a file in firebase?

P粉891237912 2024-01-21 15:21:20 0  1  674

Fix hover state issues in Tailwind CSS

I'm currently styling a navigation bar for a single page website. When the user hovers over the div surrounding the button, I want it to not only change the background color to a darker green (which already works), but also change the text color to white, making it visible. However, even though I've...

P粉039633152 2023-12-31 08:53:39 0  1  553

JAVA, how to add 100,000 Int values ​​more efficiently

How to add 100,000 int values ​​more efficiently? I was sorting out the interview questions today and saw this question that had been asked before. If you think about it to no avail, welcome everyone to discuss! I tried it yesterday based on fonxian's answer and found that there is no difference! So...

大家讲道理 2017-05-17 10:02:50 0  2  1072

Linux's next classic C language interview question

If you use the GCC compiler to execute the following program under Linux, what is the output? {Code...} I don’t understand very well. What’s the special syntax for enum type data in C language? Original question source: Several classic interview questions in C language under Linux

扔个三星炸死你 2017-06-26 10:59:04 0  1  1237

How to change the background color of MUI tooltips?

I want a "?" user can hover over the icon and get specifications on what data should be entered in the text field. MUI's default hover is gray with white text, but I want my hover to be white with gray text and with a larger font. I found that using works fine for font size and color, but ...

P粉147045274 2023-09-04 11:56:50 0  1  859

Unexplained right margin when page is not full screen - Nuxt/Tailwinds

I'm trying to make a simple resume page using Nuxt, Vue3 and TailwindCSS. When my browser is full screen everything looks fine and everything works fine. However, if I see anything other than full screen, the right side of the page in the main part of the app is blank for no reason. (please ignore t...

P粉710478990 2023-09-01 00:05:46 0  1  583

php advanced path

I have been working in PHP for more than two years and have been responsible for the company's backend maintenance. I have developed two projects based on tp5.1. I still use one-click to generate the backend framework FastAdmin. I feel that there is no progress. Now I want to learn PHP in depth, so ...

Mind 2019-11-28 11:38:41 0  2  1224

Brother Zhu Chat: How do PHP programmers memorize code?

Many friends on the php Chinese website should know that when Brother Zhu learned programming, he had many twists and turns and gave up several times. Today, I am catching a cold and don’t want to work, so I will share with you how I memorized code words more than 10 years ago. . From the first time...

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Place DIV elements within the SVG viewport

How to position HTMLDIV elements relative to SVG elements? I'm using D3 to generate an SVG chart: I want to add a dropdown next to the legend in the lower right corner. I do have the corresponding element (a normal HTMLDIV element) but I don't know how to position it correctly on the chart. I unders...

P粉803444331 2023-09-07 17:48:48 0  1  591

How to implement navigation bar hover effect

I'm working on my vertical navigation bar. The name of that icon should be visible on the right. The name is also supposed to change from white to black when the mouse is over the icon, but it's not working. I tried changing the tags around to see if that helps. I also changed the tag in the HTML an...

P粉041758700 2024-01-10 18:06:56 0  1  442

How can I make a div expand up instead of down if the vertical height increases?

I have a page with a title and some content. The header is a dynamic value and can have many different contents depending on the content. This problem occurs when the title is long and requires two or more lines. Since I want the content to stay in the same vertical and horizontal position, I want t...

P粉530519234 2024-03-22 10:39:08 0  1  350

Comma placement in animated number counter

I've been trying different combinations of HTML, CSS, and JavaScript that would give me a scrolling animated number counter with a symbol (+, %, etc.) next to each number. I finally found the right combination; however, it's not perfect yet. I want to add commas to numbers 1,000 and above, but when ...

P粉277824378 2024-01-16 14:43:34 0  1  587