1140 Look-and-say Sequence (20 points)
1 11 12 1121 122111 112213 12221131 1123123111
Implication: Without a change, use a number to record the number of times that have occurred before.
Idea: Ma ...
Posted on Sat, 17 Aug 2019 04:31:16 -0700 by iFlex
In the previous section, we said that elements in HashSet are disordered, so is there any way to ensure that elements in Set are ordered?
The answer is, of course. LinkedHashSet has this function. How does it achieve orderliness?
Source code analysis
LinkedHashSet inherits from HashSet, so let's go directly to the source code to see h ...
Posted on Sat, 17 Aug 2019 04:06:15 -0700 by alexvgtb
Set, the concept is a little vague.
Generally speaking, collections in Java refer to container classes under the java.util package, including all classes related to Collection and Map.
Generally speaking, collections refer to Collection-related classes in java collections, not Map-related classes.
In a narrow sense, a Set in ...
Posted on Sat, 17 Aug 2019 03:52:47 -0700 by mannyee
Posted on Sat, 17 Aug 2019 03:47:53 -0700 by jingato
What is an XSS attack?
XSS attack, which is called cross-site scripting attack, is to avoid confusion with the abbreviation of Cascading Style Sheets (CSS). Therefore, cross-site scripting attack is abbreviated as XSS. XSS is a computer security v ...
Posted on Sat, 17 Aug 2019 02:28:59 -0700 by Daggeth
SQL Alchemy is a Python SQL toolkit and object relational mapper that allows application developers full functionality and SQL flexibility.
It provides a complete set of well-known enterprise-level persistence patterns, specifically for efficient and ...
Posted on Sat, 17 Aug 2019 02:18:37 -0700 by danoli3
Data Structure and Algorithms
I. Linear and Nonlinear Structures
Data structure includes linear structure and non-linear structure.
1. Linear structure
(1) As the most commonly used data structure, linear structure is characterized by one-to-one ...
Posted on Sat, 17 Aug 2019 02:10:53 -0700 by ericorx
Document Copy Exercise: Read and Write
To make clear:
Data source: c:\1.jpg
Destination of data: d:\1.jpg
Steps for file replication:
1. Create byte buffer input stream object and pass byte input stream in construction method
2. Create byte buffer output stream object a ...
Posted on Sat, 17 Aug 2019 01:10:25 -0700 by Mow
Author: Sun Yingpeng Writing Time: 17 August 2019
Today I'm going to talk about the boring thing that happened to me when I was working on a project. That is to enter the telephone number and then show the province where the telephone number belong ...
Posted on Sat, 17 Aug 2019 00:37:31 -0700 by unidox
Topics come from leetcode
Merge two ordered lists
Merge the two ordered lists into a new ordered list and return. The new linked list is composed of all the nodes of a given two linked list.
Input: 1 - > 2 - > 4, 1 - > 3 - > 4
Output: 1 - > 1 - > 2 - > 3 - > 4 - > 4
This problem is no ...
Posted on Sat, 17 Aug 2019 00:29:21 -0700 by vboctor