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angular.js - Please tell me about the communication issues between controllers in angularjs

I'm working on a Q&A system, which has a question page that lists question information and then lists a list of answers under the question. I used the QuestionCtrl controller for this single question page, then used http.get to get the answers, and used ng-repeat to list each answer. Then I answ...

僅有的幸福 2017-05-15 16:59:16 0  1  611

html5 show hide

How to click on a list item in html5 and display the question below the item? Click on the question and display the answer below the question? Click the question again to hide the answer.

扔個三星炸死你 2017-06-28 09:22:14 0  2  982

javascript - Regular expression question and answer

{Code...} Please explain this regular expression to me. I really can’t understand π-π. . . Thank you

三叔 2017-06-26 10:50:05 0  2  1040

javascript - Legal verification of multiple-choice questions

My system is a question-answering system. The answer page contains all single-choice questions. I want to verify whether all the questions have been selected when the user presses submit. If a question is missed and not selected, it will not be allowed to be submitted. . . Excuse me, how can I achie...

給我你的懷抱 2017-05-16 13:05:06 0  4  738

"What is the difference between NSNotification&KVO&Block&Delegate?" How do you usually answer

I have encountered this question during interviews before, and I don’t know if the answer online is reasonable.

曾經(jīng)蠟筆沒有小新 2017-05-02 09:30:02 0  3  693

How to transfer md written on github to gitbook

Just like the question, I found the answer online and said it can synchronize automatically. What are the specific steps? Thanks

過去多啦不再A夢 2017-05-02 09:26:25 0  1  773

Difference between createElement and crateTextNode - Stack Overflow

A question I encountered during an interview a few days ago. My answer is one to create the label and the other to create the text content. But the answer the interviewer wants is not this, so what direction should I think about?

巴扎黑 2017-05-16 13:37:20 0  2  692

mysql - About database table structure design

I want to make a test system, but I am currently encountering the problem of not knowing how to design the table. For example, questions are divided into single-choice, multiple-choice, judgment, short-answer, and fill-in-the-blank questions. For example, if the option of a judgment question is the ...

為情所困 2017-05-27 17:39:05 0  2  781

How many images can I set without overlapping when setting a background using CSS?

I learned about CSS background images today and I practiced on many background image based questions, but I have a doubt in my mind. The question is how many pictures can I have in the background without overlapping each other, please give me the answer. I tried to find the answer but I can't find t...

P粉818088880 2023-08-16 17:24:10 0  1  656

angular.js - When doing single-page development in Angular (mobile terminal), how to make the page only switch up and down, while the middle remains unchanged?

When using Angular to develop WeChat web pages, the page is a question-answering interface. The upper part is the question, the middle is a countdown effect, and the lower part is the answer. How to implement single-page development and how to configure the template?

黃舟 2017-05-15 17:04:47 0  2  899

swiper plugin issue - javascript - swiper plugin issue

I do an online questionnaire through the swiper plug-in. One requirement is that the button for the next question will be displayed after the user selects an option. But now I encounter a problem. If I answer the third question, then click the button for the previous question. After returning to the...

PHPz 2017-05-19 10:30:27 0  1  834

Online question answering system

Mainly do single-choice and multiple-choice questions! I put the questions, options and correct answers into the same database, three questions! ! Can I design the option as a field and store it in json? Are the answers stored in another field? When the user answers a question, I return all the ques...

A峰 2020-08-26 23:19:45 0  2  1570

Is there a way to display only the first non-zero value, but if all values ??are zero, display the first instance of a column in a separate table from the joined table

The two tables are quite large and my select statement has more values ??than I get, but I think I can simplify this data and query in order to answer my question. This is my select statement: SELECTinvoice.InvoiceNum,Layer,InvoiceItemNumFROM(INVOICEleftouterjoinInvoiceItemitemONitem.InvoiceNum=Invo...

P粉563831052 2024-02-21 12:58:34 0  2  473

Shocked, the webpage turned out to be. . .

Install phpstudy, click on the home page of other options, and an error 403 appears on the web page. It says that this website may require login. What does it mean? Please give me an answer. . Moreover, I could not open the webpage even after changing the domain name. However, my domain name registr...

IEgm 2018-12-02 10:15:04 0  0  897

In Java, what is the API used by auto-boxing/unboxing?

I recently went to a Java interview and the interviewer asked me this question. I know about boxing and unboxing, but the concept of API is very vague. I don’t even know what the API used by boxing and unboxing is. I hope someone can help me answer it.

PHP中文網(wǎng) 2017-07-05 10:26:57 0  3  1390

Can one nginx server be used as both a reverse proxy and a web server? Or should one be used as a reverse proxy and the other as a web server?

Can one nginx server be used as both a reverse proxy and a web server, or should one be used as a reverse proxy and the other as a web server? I can't find the answer on google, so don't laugh at my retarded question.

某草草 2017-05-16 17:24:33 0  5  1075

Node.js connect to MySQL Docker container ECONNREFUSED

Before marking this question as a duplicate, please note that I did read the other answer and it did not solve my problem. I have a Dockercompose file containing two services: version:"3"services:mysql:image:mysql:5.7environment:MYSQL_HOST:localhostMYSQL_DATABASE:mydbMYSQL_USER:mysqlMYSQL_...

P粉296080076 2024-01-21 15:41:18 0  1  902

Paid help~Need an online exam system

The existing database needs an online examination system with permission classification, question-brushing examination, and messaging system. It can be native and frameworkable. It needs to support mobile version login and examination. Please discuss in detail Q30856417

???波?? 2020-04-29 19:35:42 0  0  1088

github - About GIT: Do all files in a certain git project warehouse have to be available locally?

Question description: This is a very silly and naive question. Please give me some pointers if you have the patience to answer. It suddenly occurred to me today that every time I perform project management, all the files in the remote warehouse will be cloned locally. Then a question arises: Do all ...

PHPz 2017-05-17 10:01:19 0  3  1291

Image processing - C++ freeimage uses online examples to invert the image, and a very strange result appears.

I have recently been using the C++ image processing library freeimage. I encountered a problem here. The cause of that problem should be what I asked in this question, but I have not found the answer to this question. Problem description: I found an example here, so I used it, and some pictures work...

給我你的懷抱 2017-05-16 13:21:19 0  1  1036