Python/MySQL cannot persist integer data correctly

No code is required here. I want to save a very long number because I'm making a game and need to save scores. But I tested it and set the score to 25000000000 but saved it in mysql as 2147483647. I also modified the limit for integers and set it to an integer in mysql. Any ideas? If the number is u...

P粉025632437 2024-04-04 19:09:44 0  1  560

javascript - problem of preserving decimals in integers

I want to keep a number to two decimal places. If there are decimal places, round them off. If there are no decimal places, fill in 0. For example, 1=》1.001.234=》1.231.256=》1.26 I tried using the toFixed function, and its content is correct. But it returns a string, for example 1.00 is a string, whe...

世界只因有你 2017-05-19 10:12:54 0  5  583

javascript - Function to count the number of words?

Numbers, letters, and space symbols represent one digit, and Chinese characters represent two digits. How to write a function to calculate the number of digits?

阿神 2017-05-19 10:13:45 0  2  834

Syntax - Python's integers and floating point numbers have no size limit?

I have learned C before, and now I am learning Python 3.5. The picture below is from Liao Xuefeng’s website. Why does Python have no size limit for integers and floating point numbers? ? How are integers and floating point numbers stored in Python? Does it mean that all declarations of integers and ...

某草草 2017-05-18 10:57:58 0  2  1634

PHP JS mobile button changes color when clicked, and the selected numbers form an array

PHP JS The background color of the mobile number button changes color after being clicked. The selected numbers form an array. If the three number buttons 1, 3, and 9 are selected, the button will turn red. After clicking OK, the variable ABC=1, 3, 9 is written by yourself. It works on ios but not o...

HARDWARE 2018-03-06 00:10:45 0  0  1222

javascript - How to find a number among many numbers

To find out whether a certain number is among four billion numbers, you certainly can't use a big loop, right? . . The amount of data is too large. Please give me some advice.

高洛峰 2017-05-19 10:14:02 0  2  527

c++ inputs a positive integer and outputs the addition process of this positive integer

Input a positive integer and output the addition process of this positive integer. For example: input 3 output 1+2+3=6 input 4 output 1+2+3+4=10 Find the code!

盞茶作酒 2020-09-25 23:55:50 0  0  1447

Align decimal points of numbers in table with pseudo "center" alignment appearing in cells

I want a table with a column of decimal numbers, with different lengths before and after the decimal point, and with the decimal points all aligned. Column widths must be of a "flowing" size, expanding as necessary to accommodate very long numbers in any data cells, or very long headers as...

P粉373990857 2023-10-24 13:01:47 0  1  793

php - Numbers to text

How to quickly convert numbers into text, for example, 1 => one, 2=> two, ..., 15=》Fifteen. What I am currently thinking about is to save Chinese characters into an array {code...} However, This is too troublesome. How to convert input numbers into Chinese? Is there an easier way?

PHP中文网 2017-06-13 09:22:16 0  2  1005

vue $set entire array - Stack Overflow

How should I write {code...} to change the entire array using $set?

为情所困 2017-06-26 10:56:27 0  3  1027

Regarding the problem of counting the number of different numerical types in a list of integers in Python.

In the following code, kind_num is used to count the integers with several different values ​​in the integer list. {Code...} But the second for loop exited early before completing the values ​​in the candies. Why is this? ? ?

大家讲道理 2017-06-22 11:52:27 0  3  934

Java - Output the product of all three integers between 4 unequal integers

Write a program in Java to output the product of all three integers between four unequal integers. For example, input 1,7,3,4 and the calculation process is: 734,134,174,173 Output: 84,12,28,21

阿神 2017-05-17 10:00:37 0  1  686

Check if a PHP string consists only of integers

I'm writing PHP code to validate some data entered by the user, one of them is an integer and I'm using $_REQUEST["age"] to get it, when I use gettype($_REQUEST["age"])=="integer" and is_int($_REQUEST["age"]) to check if this value is an integer, both return f...

P粉788765679 2023-09-21 21:52:44 0  2  644

javascript - Regular validation of numbers or decimals, definitely a challenge

1. You can only use regular rules to verify 2. When the number is a decimal, you need to verify that two decimal places are retained 3. It cannot be 0, 0.004. It can be a number type such as 0.10, 0.11, 1, 0.01

大家讲道理 2017-05-19 10:16:45 0  6  703

The foreach loop of the two-dimensional array numeric string cannot be compared with a number. Try to convert it to an int type and the result will directly become 0.

Problem description: foreach loops the two-dimensional array to find content that meets the conditions and reorganizes it into a new two-dimensional array. The obtained digital string is compared with the number and cannot be compared. Try converting the digital characters to int type, and all resul...

焚天驻地 2017-09-29 16:31:48 0  6  1592

explode function splits an array

Use the explode(":",$str) function to split the string-, if there is such data in $st [Transaction time: 2019-04-23 19:34:45] When splitting, you want to get the complete time 2019- 04-23 19:34:45, how to operate?

书声 2019-04-25 14:36:19 0  2  1369

Is the value of the integer variable output by the PHP statement echo the default decimal number?

Is the value of the integer variable output by the echo statement the default decimal number?

phpcn_u7226 2017-06-27 23:21:45 0  1  1553

javascript - How to generate three-digit numbers with js, where each number is an even number, and output all qualified numbers to the console?

How to generate three digit numbers in js where each number is an even number?

三叔 2017-06-12 09:32:26 0  4  926