python - Django model foreignKey Reference

I expect to achieve the following effect when using django to create a database. Table 1 {code...} Table 2 {code...} The foreign key of Table 2 is associated with the Id_P of table 1, not LastName. But in django {code...} .} If written like this, django will automatically associate it with the prima...

黄舟 2017-05-18 10:46:04 0  1  608

Disable automatic sorting on the first column when using jQuery DataTables.

I'm using jQuery DataTables and was wondering if it's possible to disable automatic sorting of the first column of a table? My code is as follows: /*Defaultclassmodification*/$.extend($.fn.dataTableExt.oStdClasses,{"sWrapper":"dataTables_wrapperform-inline"});/*APImetho

P粉877114798 2023-07-17 18:43:15 0  1  754

javascript - JQuery each traverses the A tag to obtain the href and takes the value of the attribute in the link and adds the attribute of A

The original HTML code in the page: {code...} The final output effect I hope to achieve through jquery: {code...} My current jQuery code: {code...} Please give me some advice! !

伊谢尔伦 2017-05-19 10:40:16 0  1  723

JQuery - On-the-fly calculations/conversions in dynamic tables

I do have a dynamic HTML table (rows can be added) and I "just" want to read the value in liters and convert it to USG when the user enters the value (get the value in liters, convert it Convert and put it in the USG input field). Dynamic HTML table I've created a function that executes af...

P粉364642019 2024-04-03 12:38:26 0  1  533

javascript - js (Vue) practice: How to input @, and then a list of related candidates will automatically appear?

The effect is as follows: Effect description: 1. The user enters the @ symbol, an option list appears, and the option list is automatically positioned behind the @ symbol. (The current idea is: dynamically monitor the input character if it is @, and the list box appears at the cursor hovering positi...

PHP中文网 2017-07-05 11:03:32 0  3  3657

objective-c - ios sliding problem about tableview or scrollView

If the title is like this, the effect I want to achieve is during the process of sliding down. For example, the picture below is made with tableview. Now when you slide it here, it will not move. The effect I want to achieve is that the blue color does not reach half of the screen (approximately Tha...

PHP中文网 2017-06-20 10:06:07 0  1  866

javascript - Why does my animation-fill-mode setting not take effect

.gold_egg_broken{ {code...} } @-webkit-keyframes eggbroken { {code...} } Dynamically switch this style to an element and want it to stay on the last frame and remain unchanged. But it doesn't take effect

女神的闺蜜爱上我 2017-07-05 10:39:25 0  2  1037

javascript - I found a strange problem. The css animation I wrote automatically paused when I closed the tab.

I found a strange problem. The CSS animation I wrote automatically paused when I closed the tab, and continued to play when I expanded the tab. I use the background image to move to achieve the effect of motion. Is it related to this reason?

给我你的怀抱 2017-06-30 09:52:30 0  1  853

javascript - Non-sequential execution of JS code statements. Single-step operation is normal, but problems arise directly.

I want to realize that the pop-up box automatically hides after 3 seconds, I set the following code: {code...} There is no problem with single-step debugging, it will be executed sequentially, I mean the break point, the effect is the same as I imagined, but without interruption If you click Run dir...

滿天的星座 2017-06-26 10:50:14 0  4  680

How to adjust WordPress menu effects

I have been tinkering with WordPress themes recently and installed a "Kratos". I want to adjust the effect of the menu bar above. I don't have to modify it directly in the background, and I don't know how to mess with the code. I might as well come up and ask for advice. The theme effect i...

天空蓝 2023-04-16 12:00:36 0  1  1254

Dynamically add :hover effects to multiple elements

Is it possible to add a hover effect to multiple elements programmatically? In our system, where there are multiple elements that represent a single unit (but need to be separated into multiple elements for other reasons), in some cases they should be recolored together on hover. Is it possible to a...

P粉203792468 2023-08-15 23:49:58 0  1  506

React - Handsontable datagrid: move columns and update status

I'm using a library for React and I have a list (array) of headers and on the other side an array containing the table data. After reading the documentation I was able to enable the menu where I added the options "Add Column to Left" and "Add Column to Right", but this was only d...

P粉386318086 2023-09-15 21:51:29 0  1  723

javascript - How to implement circuit diagram using echarts? ?

I would like to ask, you masters, how can you achieve this effect? ​​Because the nodes on the line need to be dynamically rendered in the background and are not fixed. There is no need for Amap or Baidu maps or anything like that. It is a pure data visualization display.

曾经蜡笔没有小新 2017-06-10 09:48:57 0  1  607

html - css navigation bar is blurred, the navigation bar is fixed, and the page below is blurred as the page slides. How to achieve this?

After searching for a long time on the Internet, I couldn't find a solution that can dynamically affect the page below and make it blurry. This is a blur effect from Station B. It is static. The principle is to use two identical pictures, blur part of one and merge it with the other. My idea is to a...

大家讲道理 2017-05-24 11:36:02 0  2  1111

swift - ios keyboard appears or disappears problem

The desired effect is that when the keyboard appears, the buttons and labels at the bottom will automatically move up and be above the keyboard. When the keyboard disappears, the buttons and labels will automatically return to the bottom. I used the method of adding scrollView and then monitoring th...

过去多啦不再A梦 2017-06-06 09:53:33 0  1  900

How to swap two Div using animation

I have a project where I want a div to appear as a large box and three other divs to appear below as small boxes, when you click on a small box it will change size and swap positions with the big box using a css transition effect to Smooth movement and size changes. Currently I'm trying to use jQuer...

P粉191323236 2023-08-26 13:55:33 0  1  514

Company name registration form

FYI, new to coding, self taught, take it easy... I have a signup form that I use to create new SQL tables. The company name they enter will be the name of the new table created each time they log in. Everything is working fine except for the vulnerability in the table name variable. I'm using PHP an...

P粉904191507 2023-09-05 19:05:36 0  1  603

Master-slave replication - redis master-slave, the java client uses jedis to connect to the master, will the read request be routed to the slave?

Redis master-slave achieves a read-write separation effect similar to MySQL. Is it necessary to execute slave host at the code level? Currently, the Sentinel cluster is connected through the jedis client JedisSentinelPool. When viewing the log output, it should be connected to the master. Will the h...

仅有的幸福 2017-05-16 13:20:21 0  1  1157

nginx - How does the cloud service provide customized domain name services and point this customized domain name to the second-level domain name under the site?

We now provide cloud services. Customers have an exclusive second-level domain name. Under the domain name, there are some customized static and dynamic resources. Now I want to provide the user's own domain name to point to the second-level domain name. The effect is the same as GitPages. The user ...

给我你的怀抱 2017-05-16 17:20:23 0  1  693

browsersync browser synchronization test tool does not work properly

The browsersync browser synchronization test tool has been installed, but the test results are invalid. What is the reason? Modify the code in the text editor. After saving, the web page content will not change automatically, and you still need to refresh it manually f5 Why

LordVoldemort 2017-12-13 15:50:21 0  0  1414