Course Intermediate  11005

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17074

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  10773

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：In the Go language, you can use the count() function of the Strings package to get the number of occurrences of a specified character. The count() function can count the number of occurrences of a single character or a string in another string. The syntax "strings.Count(original String, character to be retrieved)"; the return value is int type. If the retrieved character does not exist, it returns 0, otherwise it returns the number of occurrences.

2023-01-12 comment 0  5349

Course Introduction：We are given a singly linked list of characters, and our task is to print the character that appears most often in the linked list. If multiple characters occur the same number of times, the last occurrence of the character is printed. A singly linked list is a linear data structure composed of nodes. Each node contains data and a pointer to the next node, which contains the memory address of the next node because the memory allocated to each node is not contiguous. Example Suppose we have been given a linked list of characters Example 1 Input: LL=a->b->c->c->c Output: The most common character is c. Explanation: In the given linked list LL, a appears once, b appears once, and c appears 3 times. Therefore, the output is c. Example 2 input: LL=x-&

2023-08-28 comment 0  1249

Course Introduction：To find the number of occurrences of a character in Oracle, perform the following steps: Get the total length of a string; Get the length of the substring in which a character occurs; Count the number of occurrences of a character by subtracting the substring length from the total length.

2024-05-09 comment 0  916

Course Introduction：PHP's substr_count() function: How to count the number of occurrences of a substring in a string, specific code examples are needed In PHP, the substr_count() function is used to count the number of occurrences of another string in a string. The substr_count() function is very useful, especially when you need to count the number of times a specific substring appears in text. The syntax of the substr_count() function is as follows: intsubstr_co

2023-11-03 comment 0  1235

Course Introduction：In PHP development, counting the number of times a certain substring appears in a string is a very common requirement. For example, we may need to count the number of times a certain keyword appears in an article, or count the number of times a certain symbol appears in user input. At this time, we can use PHP's built-in substr_count() function to achieve this. The substr_count() function is used to count the number of times another substring appears in a string. Its basic syntax is as follows: intsubstr_count

2023-06-27 comment 0  1684