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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

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

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

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

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

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

python3.x - When using pymysql to insert data in python, an error occurs when the data is an alphabetic string.

In python3, pymysql is used to insert data. The code is as follows {code...} and the result is the following error: {code...} If "lison" is changed to "123", this numeric string can be inserted. Please tell me the reason. , and when the numerical string is "0000", the r...

滿天的星座 2017-06-12 09:25:33

I refresh the PHP page directly and can delete the numeric fields in the MYSQL database, but cannot delete the letter or URL fields?

I directly refresh the PHP page and can delete the numeric fields in the MYSQL database, but I cannot delete the letter or URL fields.

我就是我 2018-05-14 11:49:58

Why do the numbers in _s[].hang appear to be numbers like 2672144?

Why do the numbers in _s[].hang appear to be numbers like 2672144?

潘哒哒 2018-02-21 14:25:13

Laravel maatwebsite/excel problem of automatically converting numbers to scientific notation

This plug-in automatically converts long numbers into scientific notation when importing excel files into the database, resulting in a loss of numerical precision. Do you have any good solutions?

给我你的怀抱 2017-05-16 16:47:28

ios - How to replace both numbers and English in a string with *

I have a string that contains Chinese characters, English and numbers. I want to replace numbers and English with *. How should I do this? Usually it is a simple replacement. This requires regular expressions.

PHP中文网 2017-07-06 10:34:30

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

javascript - js input box word limit problem

js input box limits the number of words in the input box, the following code {code...} In the actual process, the following problems were found, as shown in the figure: In the input method, the letters are displayed first, and then the pinyin of the letters is converted into Chinese characters. Ther...

高洛峰 2017-07-05 10:38:10

Is there any way to get one number after encrypting several sets of numbers that are not fixed in Java?

There may be three groups, or there may be four groups, but they are all numbers, and then a number can be obtained based on these three or four groups, such as 12, 34, 10. If they are directly connected, it will be 123410, so there are different lengths and shorter ones. Unlike MD5 encryption, the ...

ringa_lee 2017-05-19 10:07:43

php - generate a 4 digit number

For the verification code, the code below generates a 5-digit number. I want it to be 4 digits. what should I do. //generaterandomnumbers$sayilar='';for($x=15;$x<=95;$x+=20){$sayilar.=($sayi=rand(0,9));imagechar($image,rand (3,5),$x,rand(2,14),$sayi,$textcolor);}

P粉709644700 2024-02-25 20:05:18

How to convert a string to a 19-digit number in javaScript without automatic rounding?

We have string input number input="6145390195186705543" if we want to convert to number; java script automatically rounds this input; (6145390195186705543)(6145390195186705000)

P粉652495194 2024-03-30 14:42:35

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

javascript - js regular expression English numbers and all punctuation characters

js regular expression English numbers and all punctuation characters. Do you have a copy?

習慣沉默 2017-05-19 10:38:13

Comma placement in animated number counter

I've been trying different combinations of HTML, CSS, and JavaScript that would give me a scrolling animated number counter with a symbol (+, %, etc.) next to each number. I finally found the right combination; however, it's not perfect yet. I want to add commas to numbers 1,000 and above, but when ...

P粉277824378 2024-01-16 14:43:34

How to store the analyzed dictionary data in the database in Python 3.5

{Code...} I am using the database linked by pymysql. The statistical data before was a single row, so I used this {Code...} Now it is multi-row. How do I save it to the database? The database has two fields, respectively. It is keywords, and count, which correspond to the contents in the dictionary ...

ringa_lee 2017-05-18 10:59:27