programmer group

Java foundation - deep understanding of collection

Java Foundation Set: After summing up for a long time, I found that it was clear to summarize from the perspective of interface, so this article mainly analyzes the collection from the perspective of interface* 1. Single column collection (collection interface) The collection interface is the parent interface of all single column collections. It also has a parent interface: “iterator”, which is an iterator interface....

programmer group

The solution to the problem of Texas Hold'em

Title Description Recently, aqua is a big fan of Texas Hold’em. So she found a lot of people to play with. Because of the large number of people, aqua has to change the rules of the game: All playing cards only look at the numbers, not the colors. The value of each card is one of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 (corresponding to a, 2, 3, 4, 5, 6, 7, 8, 9, 10, J, Q, K) Each player draws five cards from a complete set...

programmer group

Implementation of single conditional paging in SQL server stored procedure

SQL Server – Code: SQLServer Procedure Pagination_basic: ALTER PROCEDURE [qiancheng].[Pagination_basic] ( @Table_name VARCHAR (255), --name of table @Rows_target VARCHAR (1000) = '*', --search rows @Rows_condition VARCHAR (1000) = '', --the condition to find target (no where) @Rows_order VARCHAR (255) = '', --the rows to rank @Order_type INT = 0, -- *Q*C* 0 normal 1 down @PageSizes INT = 10, --the size of each page @PageIndex...

kipalog.com kipalog.com

Kotlin Array sort(), sortBy(), sortWith()

https://grokonez.com/kotlin/kotlin-array-sort-sortby-sortwith Kotlin Array sort(), sortBy(), sortWith() In the tutorial, JavaSampleApproach will guide how to sort Kotlin Array by sort(), sortBy() with selector function, and sortWith() with a comparator. I. Kotlin Array sort() 1. sort() Method signature: fun <T : Comparable<T>> Array<out T>.sort() -> Sorts the array in-place according to the natural order...

kipalog.com kipalog.com

Kotlin – Sort List of Objects with Comparable

https://grokonez.com/kotlin/kotlin-sort-list-objects-comparable Kotlin – Sort List of Objects with Comparable This tutorial shows you way to Sort List of Objects by Kotlin Comparable example. Related posts: Kotlin – Compare Objects with Comparable Example Kotlin – Sort List of Objects with Kotlin Comparator Example Kotlin Sort Object List with Kotlin Selector function – crossinline selector: (T) -> R? I....