compare greater than less than

If ....; Then....Elif ...; Then....Else....FiIn most cases, you can use test commands to test the condition. 　　For example, you can compare strings, determine whether the file exists and whether it is readable, etc... The condition test is usually

For example, comparing strings, judging whether the file exists and whether it is readable, etc., usually uses "[]" to represent the condition test.Note: The space here is important. The space to ensure the square brackets. I have wasted a lot of

For example, comparing strings, judging whether the file exists and whether it is readable, etc., usually uses "[]" to represent the condition test.Note: The space here is important. The space to ensure the square brackets. I have wasted a lot of

In Linux shell programming, in most cases, test commands can be used to test the condition, here is a simple introduction, easy to use friendsFor example, comparing strings, judging whether the file exists and whether it is readable, etc., usually

In Linux shell programming, in most cases, test commands can be used to test conditions, and here's a simple introduction,For example, comparing strings, judging whether the file exists and whether it is readable, etc., usually uses "[]" to

For example, to compare strings, to determine whether a file exists and whether it is readable, and so on, usually use "[]" to represent the conditional test.Note: The space here is very important. To ensure that the square brackets are blank. I

For example, to compare strings, determine whether a file exists, and whether the file is readable, "[]" is usually used to represent a conditional test. Note: spaces are important. Make sure that the square brackets have spaces. I used to waste a

There are two arrays A and B with the length of m and n, respectively. Find the same elements in the two arrays with the number of comparisons not greater than m + n, and delete the same elements in the array.There are two arrays A and B with the

Number less than or equal to the number in the heap sorting program A bug occurs during heap sorting. It takes a long time for debugging to find the cause.Less than or equalThe boundary in recursion is not fully considered. The code is written in

The date display format is different between the different pages in the project,First question:For example, I use the date control wdatepicker.js only in the input tag to add onclick= "Wdatepicker ()" can be used, but the default is no time and