Java - Select one of the three dao data to be mapped to a url according to the request parameters. How to write it better?

The data of the three daos should be mapped to a URL, and the request parameters are used to indicate which dao to use. How to choose this? Use @RequestParam to make selections in the controller or in the service?

迷茫 2017-05-17 10:09:03 0  1  761

php - If you build an online examination system, how should you store indefinite multiple-choice questions?

Recently I am working on an online examination system. The test questions are very open. The multiple-choice questions not only have options, but also open options. For example, one question, ABCDE. Option E is do you have any other good ideas? _________ such options, and this The options are also i...

phpcn_u1582 2017-05-17 09:55:53 0  4  1093

javascript - js drag and drop problem

Drag a div to different areas, how to determine which area it is dragged to? Please select different option areas when dragging as shown in the figure, how to determine which area it is dragged to?

巴扎黑 2017-06-28 09:26:59 0  5  752

javascript - City selector in those websites

Many websites have city selectors. How are these components maintained? Is there any city database available? Now I need to use the city selector in my website, and I use element UI. This UI does not seem to be integrated. I would like to ask where to get the city data? Or is there any...

给我你的怀抱 2017-05-19 10:34:02 0  4  731

javascript - iScroll5 ios cannot slide, Android has no problem

{Code...} The mobile mask layer sliding selector made by a front-end rookie went through a lot of pitfalls. Finally, the Android test was successful, but the iOS test found that it could not slide -_-|| I don’t know where the problem is (guessing that the initialization on the iOS side failed. Absol...

仅有的幸福 2017-07-05 10:48:51 0  2  846

php - Problem with the cursor in the new version of Cmder.

Problem: The cursor of the new version of Cmder seems to be in insert mode. After typing, there seems to be an extra space at the end. If you move forward, the cursor is still after the last letter, but in fact, when you input it, it is already before the last subtitle. What is this? Where can I set...

高洛峰 2017-05-16 13:12:49 0  1  598

How to handle "input is not focusable" in javascript form validation?

I have this control and I want to fill the textbox with the name of a file. In the menu above I have an icon for each file. When an icon is selected, the corresponding filename should be populated. This works fine, however, when the user doesn't select the file and submits it I get an error: Input n...

P粉208469050 2023-08-01 19:38:54 0  1  483

A method that can be combined with any selector is to use another selector in the pseudo-class :nth-child() or :nth-of-type()

Is there a way to select every nth child element that satisfies (or does not satisfy) an arbitrary selector? For example, I want to select every odd table row, but within a subset of rows: table.myClasstr.row:nth-child(odd){...}RowRowRowRow but :nth-child() only seems to count all tr elements regard...

P粉926174288 2023-08-14 15:21:18 0  2  637

How to select an HTML element in Selenium no matter which frame it is in

I'm trying to select an element that resides within an iframe and may reside within other iframes. Is it possible to select an element within some (child) iframe in (python) selenium without selecting the iframe first? Is there a way to somehow "loop" through each iframe and check where my...

P粉073857911 2024-02-26 11:11:52 0  2  441

How to click on a table row with checkboxes and when the last table row button is reached the selection changes to deselect

My table has checkboxes and buttons outside the table to toggle from selection to deselection, how do I click anywhere on the table row and where do I get the checkbox ticks where I will be selected one by one and when I get there The last table row my button changes from selected to deselected, I d...

P粉752826008 2024-02-17 19:35:31 0  1  399

javascript - jquery uses the append() method to add, for example, easyui's combotree to make a tree-shaped drop-down box. Please help.

Hello everyone, I am new to jquery and easyui. At present, I want to implement a function. Click "Add Button" and a selectable tree drop-down box will pop up for selection and submission. The current implementation method is to declare an element and then append it to the form. But the pop...

为情所困 2017-05-19 10:47:20 0  3  595

javascript - Implementing list radio selection (style change) in vuejs

The first one is initially selected but now the other selected ones are not deselected. The style code is as follows. What is the problem? My understanding is that the interface is re-rendered after the clickindex is changed, and then the index and clickindex of other cells are not equal. Gives norm...

PHPz 2017-06-05 11:13:43 0  2  1171

javascript - How to pass events out of a tree component written recursively in VUE?

Since recursive components will have this kind of nested {code...}, it is better to dynamically register a Vuex module on the outermost side. Which one is clicked will be passed to this module, but the click outward must be implemented in the tree structure. The $emit event is nested layer by layer,...

漂亮男人 2017-06-30 09:59:45 0  2  860

Update js.erb template for select box options - handle XSS securely and display text correctly

I'm rendering a .js.erb file in a Rails application. In this file, I'm updating the options of a select box. Most importantly, I'm doing it in an XSS-safe way. Based on this StackOverflow solution, referencing the OWASPDOMbasedXSSPreventionCheatSheet, I updated the select box's options in the follow...

P粉674757114 2024-03-31 00:36:22 0  1  615

php - Simple string processing, looking for ideas.

$arr = [2,3,4,5,8,10,11,12,13,16,19]; Convert to string 2-5, 8, 10-13, 16, 19 My idea is to convert 8 16 19 is selected without relying on either side, and 2 3 4 5 is selected with a maximum and minimum value.

滿天的星座 2017-05-16 13:13:33 0  3  391

php - How to count the traffic of each website in the Linux server?

There is an Alibaba Cloud ecs with many websites deployed in it. Recently, the server has been particularly stuck. It is found that the number of visits is relatively large and the bandwidth is full. How can I count the traffic statistics of each website in the server and find out which website uses...

为情所困 2017-06-14 10:50:12 0  4  1021

javascript - What is the difference between js writing plug-ins using object-oriented programming and ordinary functions

For example, if I write a tab, using the oriented programming method is more complicated than ordinary function encapsulation, but it can also achieve code reuse. Why do so many people choose to use object-oriented programming plug-ins? What is the biggest difference between oriented programming and...

曾经蜡笔没有小新 2017-06-13 09:23:21 0  3  1045

javascript - How to implement a multi-language website?

Recently, there is a need to build a website in different languages ​​​​of countries in Europe, America, the Middle East, Africa, Asia and Oceania around the world. For example, if you select Spain in Europe, then the website will be displayed in Spanish; if you select Belarus in Europe, then the we...

我想大声告诉你 2017-05-16 13:14:05 0  7  671

Build a website where users compete with each other

I want to build a website that groups users according to the order in which they enter the website. In each group, users can play with each other and make their own choices. After each choice, corresponding results will be fed back to the user. I'm still a website novice, and I don't have a clue abo...

 2021-04-01 08:45:21 0  1  1156

angular.js - Is it better to use tabs or ion-nav-bar for navigation in ionic? Why?

I found that many use tabs for navigation, but it seems that if tabs are used, the default back button will be disabled. Wondering if tabbed navigation is a better choice than the default navigation? Why? Supplement: The default return will not be invalid as long as it is in the view of a tab.

黄舟 2017-05-15 17:01:57 0  1  521