Spring's transaction propagation mechanism

1. Transaction propagation TypeNew transactionRequiredRequired_new-Suspend currentNon-transactional mode operationSupportsnot_supported-Suspend currentNeverNested transactions:NestedThrow exceptionMandatoryNever2. propagation_requiredJoining a

Lintcode Sliding Window Median

http://www.lintcode.com/en/problem/sliding-window-median/Recently feel that they need to calm down, slowly do things, do a good job in the laboratory to ensure that their graduation, but also to do a good work on the topic.Start by writing a blog,

Group Mutual evaluation and self-evaluation

After looking at the works of each group, I was most impressed by the men's body goddess of the great sage Group, who was surprised to see that it was a novelty.There are lamps and other light groups to eat God, buy God, do very beautiful, the

Feedback on the evaluations of other groups

Kiki Ding Da-Saint: Dynamic Dating Web page, the effect of doing well. But the work is not fully integrated during the presentation;He Guanghang: Simple introduction of the idea, no matter how to do, the demonstration works will be better, at least

The construction of the Law 13-17 chapter

13. Software TestingBasic noun, bug: Software flaw. Test Case: Testing cases, Test Suite: Set of testing cases. Bugs can be broken down into symptoms, procedural errors, and root causes.Various test methods: unit test, Code Coverage test, build

Hihocoder #1181: Oralu Shi (Trouble)

Test instructions: Provide a graph that asks to find the path to the Euler road (any valid path can be guaranteed, the chart must have Oralu).Idea: The process of deep searching removes traversed edges and prints out when backtracking. In deep

Detailed design Instructions

Based on the Andriod campus online ordering systemDetailed design InstructionsReport name Campus Online ordering system detailed design instructionsProfessional Computer Science and technologyClass letter 1201-1 classGroup leader name XueqingCrew

Palindrome number conjecture (hd1282)

Palindrome Number conjecture problem description A positive integer, if read from left to right (called the positive ordinal) and read from right to left (called the reverse number) is the same, such number is called Palindrome number. Either take a

User Research (supplement)

User Research ReportName: Xu Tian class: Letter 1201-1 Class No.: 20122912 Project Name: Smart Ordering Project number Research topic: Intelligent Food Demand Research Interview Date: 2015.4.12

Leetcode:unique Binary Search Trees

Given N, how many structurally unique BST's (binary search trees) that store values 1 ... n?For example,Given N = 3, there is a total of 5 unique BST ' s. 1 3 3 2 1 \// /\ 3 2 1 1 3 2 /

"Programming Zhu Ji Nanxiong" Reading notes--ⅱ

Truly perfect combination of algorithms and programming, programming to the feelings of beauty, or programming can be as elegant as mathematics. This is a book to read while thinking, so appropriate to the book mentioned in the algorithm to think

Position how the elements of the absolute are centered

When the div is set to absolute, the element has been out of the document flow, rendering floating state, only through Left,top,right,bottom to set properties, to achieve the center only through JS, the code is as follows:here we need to pay

The top of the wave read the third of the notes

Seventh chapter Internet of the Golden Gate Bridge (Cisco)By connecting local area networks with different protocols and needing to coordinate routers with multiple protocols, Cisco was born at this time. When reading some computer professional

"POJ 3259" wormholes

"POJ 3259" wormholesJudging negative ring--BELLMAN/SPFAThe code is as followsBellman-ford#include #include #define INF 0x3f3f3f3fusing namespace STD;typedef structedge{intU,v,w;} Edge; Edge eg[5555];intdis[555],N,TP;BOOLBellMan ()

VS Statistics Code line number Ctrl+shift+f

1.ctrl+shift+f (Find in Files), open the Find feature (if not open see this article at the end)2. Tick use: Regular expression,3. Search content: ^:b*[^:b#/]+.*$#开头和/Start or empty lines do not count toward the amount of code.^:b*[^:b#/*]+.*$* Start

HashMap and HashSet analysis of JDK

   HashMap mainly analyzes the placement of key, value, and the map operation, as well as his ergodic device. Personally feel that in HashMap there is an important internal class Entry,map Put,get and other important methods are based on this entry.

Chinese remainder theorem

Chinese remainder theoremFor the same residual equation group:X=A1 (mod M1)X=A2 (mod m2).X=ak (MoD mk)(m1,m2,..., mn coprime)Then solution X=M1*INV (M1,M1) +...+MN*INV (mn,mn) (mod m)(where M=m1*m2*...*mn=mi*mi, Mi=m/mi)#include

A study record of point division in a tree

Follow the engine room of the trend of the point of Division, found that this thing is actually very good to write, learn to think, it is easy to yy out. directly on the exercise.POJ 1741 TREEPoint division of the template problem, the first place

Leetcode (8): L179/largest number

L179:largest numberGiven a list of non negative integers, arrange them such that they form the largest number.For example, given [3, 5, 9], and the largest formed number is 9534330.Note:the result May is very large, so you need to return a string

[Leetcode] Contains Duplicate III

Contains Duplicate IIIGiven An array of integers, find out whether there is, distinct indicesI andJIn the array such that the difference betweenNums[i] andNums[j] is at the mostTAnd the difference betweenI andJ is at the mostk.Problem Solving

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