The following small series for everyone to bring a PHP data structure of the DS extension. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting.
PHP7 above to
This article is mainly for everyone to bring a cliché in PHP data structure: DS extension. Small series feel very good, now share to everyone, also for everyone to make a reference. Follow the small series together to see it, hope to help everyone.
The following small series for everyone to bring a cliché data structure in PHP: DS extension. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting.
PHP7 above to
I. Use sqldataadapter. Update (Dataset DS) to update the database.1. When dbdataadapter calls the update method, dataadapter analyzes the changes and runs the corresponding commands (insert, update, or delete ). When dataadapter encounters a change
Main topic:Querying the distance between a node and the root nodeProblem Solving Ideas:Weighted and check set problem. The previous topic was "to see if two or more nodes are under the same set", and now the topic is "Query a node toThe distance
The main topic: There are K groups, each array to select a number, composed of k^k number. Select the smallest number of top K in this k^k numberProblem Solving Ideas:1, if only k array, then the last number of the smallest first k should be
"OJ Tree Series"
Creation and traversal of binary search tree
Rebuilding a binary tree
Finding the depth and width of a binary tree
Binary search Tree
Binary Tree Traversal
"OJ Table Series"
Inserts a node into
Let's talk about several common problems of DS series storage today,
1, Multiple Drive failed
This problem should be the biggest headache for all administrators. Once multiple disks break down, the application system will not be able to access the
Main topic:Index of K-V occurrencesProblem Solving Ideas:If a data structure can be constructed, so that data[v][k] is the index value of K-V can be solved. DATA[V] represents an array of indices that appear as a number V,DATA[V][K] represents the
Binary Tree of DS
A binary tree is another tree-type structure. It features that each node has at most two Subtrees (that is, a node with a degree greater than 2 in a binary tree), and, the subtree of a binary tree can be left or right, and its
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.