Why is the part showing the lessons learned at the beginning of the interface still gray after learning a lesson? Every time you enter and click Start, you will start from the beginning.

Why is the part showing the lessons learned at the beginning of the interface still gray after learning a lesson? Every time you enter and click Start, you will start from the beginning.

Arthas 上上 2019-06-10 20:07:15 0  1  1094

How to add text at the beginning of TXT header

As shown in the picture, the guestbook inserts text at the end of TXT every time. When browsing the web, new messages are at the bottom. I want to insert new messages at the beginning of TXT. Please tell me how to do it.

rocher 2017-11-15 18:50:00 0  1  1230

After reading the beginning, I was so scared that I quickly took a look at the comments. Sure enough, there were people who had the same idea.

After reading the beginning, I was so scared that I quickly took a look at the comments. Sure enough, there were people who had the same idea.

混入狼坑的哈士奇 2017-07-05 14:59:09 0  2  1478

How to set automatic indentation of comment lines starting with # in GVIM

The question is simple and clear. I've recently been learning how to use GVIM and encountered some problems with automatic indentation. Generally speaking, GVIM will automatically indent most of my code for me, but when I start a new line and then enter # and the following comments, the line will al...

黄舟 2017-05-16 16:36:25 0  1  531

Why does the number of cookies in the "Cookie" request header exceed the number of cookies set in the "set-cookie" response header?

I'm a newbie to web crawling, so my understanding of http requests is very shallow. When I inspect certain requests I send to a website, such as add to cart, the dev tools show that the request has more values ​​in the "Cookie" header, which are set by the "set-cookie" response h...

P粉244155277 2024-04-05 14:52:06 0  1  3744

Safari does not support CSS for circular avatars

My blog is using a gatsbyReact template, but when I open it on Safari (iPhone or Mac), the avatar image is not round. Simple Code Blog This is the style I use for my avatar. bio-avatar{margin-right:var(--spacing-4);margin-bottom:var(--spacing-0);min-width:50px;border- radius:100%;}

P粉779565855 2024-02-17 18:38:55 0  1  445

html5 - How to turn off the local camera when using the getUserMedia method?

I used the navigator.mediaDevices.getUserMedia() method to open the local camera. I need to close it after taking the photo, but how to close it? Help...

女神的闺蜜爱上我 2017-06-10 09:48:52 0  2  1058

About header files

Where to build the header file

阳葵  花开，向阳倾心 2018-05-11 19:42:27 0  0  827

The easiest way: open the download window on the page without leaving the page

What is the best way to open a download dialog box in various browsers without leaving the current page or opening a popup (assuming we can set content-disposition:attachment in the header) without opening it in InternetExplorer( There is a problem in IE6.

P粉432906880 2023-08-23 20:52:33 0  2  500

Looking for the name of a vim plug-in that automatically adds file headers (picture included)

As shown in the figure, when using vim to open a new file (such as a.cpp), the file header is automatically added. I would like to ask which plugin can do this. Thanks.

大家讲道理 2017-05-16 16:40:17 0  3  859

Click area of ​​slide arrow is wider than icon

On my WordPress development site, I have a slideshow feature for galleries. When you click on a picture, it starts a slideshow. My problem is my two white arrows, one on the left and one on the right. The clickable area of ​​the arrow is wider than the size of the icon. See pictures below. The click...

P粉195200437 2023-09-13 19:29:50 0  1  585

Why does the PHP output parsed by fastcgi in nginx and apache output length information in the header and tail?

Why does the header and tail output length information when PHP parsed by fastcgi in nginx and apache is output? In the figure below, the 30e at the beginning and the 0 at the end are both added, and static pages will not be added.

PHP中文网 2017-05-16 17:04:40 0  1  540

It sounds a bit loud

It sounds a bit loud

佛说 2018-04-02 15:37:23 0  1  1735

header problem

My header, homepage, server, etc. are arranged up and down. Why are they different from the teacher's?

P粉670143370 2022-12-27 15:20:48 0  0  1634

Custom drop-down arrow

Is it possible to change the select tag's dropdown arrow to a custom arrow consisting of 4 elements. I want it to look like this: 3 horizontal lines on the left and a downward arrow on the right I successfully achieved this effect with one element (a horizontal line).select-wrapper::before{content:&...

P粉986937457 2023-08-17 17:52:04 0  1  490

javascript - sublime folder cannot be opened

There is a folder in sublime that cannot be opened, but there is something in it, and its folder icon is different from the others. There is an arrow pointing to the right, and there is something in resource.

PHP中文网 2017-05-19 10:34:06 0  1  651

javascript - Find a js regular rule: only numbers and English periods can be entered, not two consecutive dots, and cannot start or end with "."

The correct general format for a regular regex to be used for IP fuzzy search in the text box is: 1.11.11.11.1.11. It satisfies the following filtering items: It cannot start with ".": .1.1.11 It cannot end with ".": 1.1.11. There cannot be 2 consecutive ".": 1..1.11 ca...

天蓬老师 2017-06-12 09:22:18 0  5  1095

Read more button with arrow

I'm trying to make a "Read More" button with a right arrow as shown. The background color is white and the entire button must look like this. I'm using the following code. The arrow here is white, so in my project I can only see the "View Profile" button but not the arrow due to ...

P粉616111038 2023-09-09 12:16:11 0  1  582

javascript - framework7 adjust camera and photo album

How does framework7 call the camera and photo album?

我想大声告诉你 2017-07-05 11:07:33 0  1  1132

Warning: Unable to modify header information - header already started sending output at line 12 of /some/file.php at line 23 of /some/file.php

In order to understand why headers must be sent before output, it is necessary to look at a typical HTTP response. The PHP script mainly generates HTML content, but also passes a set of HTTP/CGI headers to the web server. This error occurs when you host your website on a server with a database or PH...

P粉164942791 2023-07-30 11:19:01 0  1  467