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javascript - How to generate a set of non-repeating six-digit random numbers

It is required to generate an array containing six random numbers, and these random numbers cannot be repeated. (The array contains multiple random numbers, each random number is six digits, and the random numbers in the array are not repeated) You can refer to the following two codes to combine the...

過去多啦不再A夢 2017-05-19 10:39:10 0  6  1655

python - How to get random data every time django calls a tag

The code for views is like this kwargs["random paragraph"] = Content.objects.order_by("?")[0].content is to randomly extract a paragraph each time and then the index is like this {code...} My purpose Every time it is called, random paragraph 1, random paragraph 2, random paragrap...

大家講道理 2017-05-18 10:52:56 0  3  897

Seeding a random number generator in Javascript

Is it possible to seed a random number generator (Math.random) in JavaScript?

P粉006977956 2023-08-23 23:03:23 0  2  849

javascript - How to implement random jumps to multiple domain names?

1. How to implement random jumps to multiple domain names? Can the same link point to a random domain name? 2. For example, link a jumps to link b this time. Next time, it may be link c. The jump link is random. How to implement this in the code?

迷茫 2017-06-12 09:20:52 0  2  1177

Generate unique random numbers within a certain range

I need to generate random unique numbers within a certain range, how can I do this? I can generate random numbers via generator:$arr=[];$x=rand($min,$max);$len=count($arr);$flag=0;for($i=0;$i< $len;$i++){if($flag===1)gotogenerator;if($x===$arr[$i])$flag=1;}$arr[$index]=$x;$index++

P粉087951442 2023-10-15 20:51:55 0  2  697

?www.tp5.com/random username, how to write the route for this?

www.tp5.com/random username, how to write the route for this? "Random username" corresponds to a registered user. The application scenario is similar to some personal homepage websites www.domain.com/username You can access the personal homepage of the username.

巛果丶乂 2018-09-12 13:07:51 0  0  1519

How to generate a random alphanumeric string in JavaScript?

What is the shortest way (within reason) to generate a random alphanumeric (uppercase, lowercase and numeric) string to use as a possible unique identifier in JavaScript?

P粉775788723 2023-10-12 23:03:12 0  2  878

Can anyone tell me how to generate random colors for the background of a website using css? is it possible?

Just like we can use unsplash image source to use random images. Likewise, can we achieve background color using just css? If yes can anyone tell how to do it? I use a random function to generate a random color for the background in a style. But it doesn't give any output

P粉267791326 2023-09-06 22:53:31 0  1  676

Teacher, why is the div not centered after I give it a random width with margin:auto?

Teacher, why is the div not centered after I give it a random width with margin:auto?

永～不～低～頭 2018-12-21 10:37:40 0  1  1698

javascript - js crosses two-dimensional arrays to get random numbers. How to achieve average random numbers?

There is a two-dimensional array, how to get 2 or 3 random numbers from a cross (not adjacent to the top, bottom, left, and right)? Array: {code...} I wrote one like this, but it feels very rigid, the numbers obtained are not even, and the code is a bit bloated. Does anyone have a better solution? {...

PHP中文網(wǎng) 2017-07-05 11:07:26 0  2  1614

Firestore method to get random documents in collection

It is crucial for my application to be able to randomly select multiple documents from a collection in Firebase. Since there is no built-in native function in Firebase (that I know of) to implement a query that does this, my first thought was to use a query cursor to pick a random starting and endin...

P粉277305212 2023-10-19 11:39:22 0  2  1335

PHP delimited random number, non-repeating

I have the following php code which creates random numbers when adding a static number; 100 and divides the number with |. It works fine but creates duplicate numbers, how do I make it prevent duplicate numbers from being created? echoshd is 3;100|2;100, but there are no repeated numbers before ;100...

P粉131455722 2023-09-06 20:26:26 0  2  709

javascript - How to generate random auto-incrementing IDs

I want to use the self-increasing ID to put it in the URI to locate resources, but I don’t want the self-increasing ID to be +1 each time. Instead, I want a random number as the ID, but this ID is proportional. Currently I One solution that comes to mind is to use timestamps. Is there any other solu...

PHP中文網(wǎng) 2017-05-16 13:01:25 0  2  588

How to give a random value to a class tag?

The PHP language program gives random values ??(unique and non-repeating) to the "*" in all <span class="*">test text</span> tags in web articles, no matter how many letters and numbers there are. For example: <span class="Hug5iR2NvjO9">Test text</s...

趙澤鑫 2022-01-13 11:12:29 0  9  1379

javascript - How to get a random number in a symmetric range in JS?

For example, I want to use Math.random() to get random numbers in the ranges of -20~-10 and 10~20. Is there any most streamlined solution? For example, can it be done without an if statement? Thank you all for clearing up the confusion.

淡淡煙草味 2017-07-05 10:44:41 0  4  938

The rewritten title is: Translate "Php merges two codes (random + length)" into Chinese

I need your help to make this work. I need to combine two php codes to work. I am a beginner in php and thank you very much for every advice you can give me. Thank you in advance! Description: I want to display content (some text) from 8 pages in my index.php and display the obtained content in rand...

P粉148782096 2023-09-15 18:14:39 0  1  752

How can I modify the code to display only 20 random items on refresh, excluding any ordered items?

I asked a question here about how to get 20 random items from that JSON and I used one of the answers like this: consta=Myjson;useEffect(()=>{for(leti=a.length;i-- >0;){constj=Math.floor(Math.random()*i);//0≤j≤i[a[i],a[j]]=[a[j],a[i]] ;}},[]);{a.slice(0,20).map((ite

P粉252116587 2024-03-22 13:19:54 0  1  852

The question is still the same, but the title is rewritten as follows: My Javascript random function fails to generate valid responses

I'm making a simple random number generator game using JS and HTML. In this game you can set minimum and maximum values ??of random numbers. However, when setting the variables and recording the results, an impossible number appears. For example, if I set the minimum value to 50 and the maximum valu...

P粉682987577 2024-04-03 22:03:14 0  1  596

Ask an idiot question

The random function rand() generates ten random integers between (-10,10) and saves them in the arr1 array. Query whether there is a random integer 0 among the ten random integers generated in array arr1. If yes, output "the ten random integers generated this time contain the random number 0&qu...

 蒹葭蒼蒼 2017-09-13 14:15:44 0  1  1081

How do I display a random cat image from an API on my webpage using async-await in JavaScript and HTML?

I'm writing a program that makes calls from an API to get random cat images. I want to be able to display the image on my webpage, not just the url in the console. //This is my html (this is really basic but I just want the output to work) <!DOCTYPEhtml><htmllang="en"><head&...

P粉617237727 2023-09-04 15:22:47 0  1  659