Hibernate uses queries

Summary of Hibernate Query Common Methods Common Query Methods Navigation Object Graph Retrieval: Navigate to other objects, such as queries for related objects, based on the loaded objects. OID retrieval method: Retrieve an object by its OID.Get load HQL retrieval method: use special HQL query interface and object-oriented HQL query lan ...

Posted on Tue, 11 Jun 2019 11:31:39 -0700 by Nilanka

Android Cache - LruCache

In the development of Android, caching is more or less involved. For example, loading network pictures, not every time to show a network picture, must be downloaded from the network, in this case, not only waste user traffic, but also may cause bad experience. Generally, the image is loaded into the local storage first, and the next time you n ...

Posted on Mon, 10 Jun 2019 15:33:49 -0700 by aquarius

A Comprehensive Summary of Bit Operations in the Basic Chapter of Bit Operations

Reprinted from http://blog.csdn.net/more windows/article/details/7354571 Title: A comprehensive summary of position operation in the basic chapter of bit operation KeyWord: C/C++ Bit Operator Operating Skills Judging Bit Operating Skills of Parity Exchange to Find Absolute Value Bit Operating Compressed Space Screening Prime Operating Inter ...

Posted on Mon, 10 Jun 2019 13:08:46 -0700 by andynick

A java basics question that many people will answer incorrectly

subject What is the output of the following code? public class Question { public static void main(String[] args) { Integer i1 = 100; Integer i2 = 100; Integer i3 = 200; Integer i4 = 200; Integer i5 = new Integer(100); Integer i6 = new Integer(100); System.out.println(i1 = ...

Posted on Mon, 10 Jun 2019 10:04:29 -0700 by eskick

lucene's learning experience

Preface Learning material is version 4.10 of lucene, which is rather old. Look up the latest official documents of version 6.6 of lucene, and sort out the following differences in use. The order from shallow to deep is (Note: not according to version) 1. The Construction Method of IndexWriter Config 2. Directory generation method FSDirecto ...

Posted on Sun, 09 Jun 2019 19:15:55 -0700 by MarineX69

Preliminary Trisection Search of [Search Algorithms]

Preface For monotone functions, if we find their monotonicity, we can use the dichotomy method to search for them. So the first premise of binary search is monotony. When the search function is not monotonic, the dichotomy search is dwarfed. So for more complex functions, we can use three-component search and simulated annealing method. He ...

Posted on Sun, 09 Jun 2019 14:49:56 -0700 by MrCool

javascript-sorting algorithm

Insert Sort Algorithmic description: 1. Starting with the first element, the element can be considered sorted. 2. Remove the next element and scan backwards and forwards in the sorted element sequence 3. If the element (sorted) is larger than the new element, move the element to the next location 4. Repeat step 3 until you find a p ...

Posted on Sun, 09 Jun 2019 09:56:22 -0700 by gabaod

Animation summary (differentiator and estimator)

Intermediate animation classification Translate translation Scaling Scale Rotating rotate Gradient alpha Application scenarios 1. Start page, start button, fly-in effect can be used. 2.listview or recycleview entry into animation. Attribute animation Due to the limitation of only four kinds of changes in interpolation animation, at ...

Posted on Sat, 08 Jun 2019 16:07:31 -0700 by stevegg1965

ThreadPool implementation class ThreadPool Executor

ThreadPool implementation class ThreadPool Executor Get on with the article ThreadPool Thread Pool Overview. ThreadPool Executor Thread Pool ThreadPool Executor inherits AbstractExecutor Service, implements the core method execute and some methods to obtain thread pool information. ThreadPool Executor has some important parameters: // ctl st ...

Posted on Sat, 08 Jun 2019 15:44:07 -0700 by rotwyla98

Some Basic Usages of Lamamda and Linq

After explaining the usage, we need to get some data first. class Product { public int ID { get; set; } public string Name { get; set; } public string Region { get; set; } public decimal Price { get; set; } public bool IsFavorite { get; set; } } List<Product> products = new List<Product> { new Product { ID= ...

Posted on Fri, 07 Jun 2019 18:00:25 -0700 by chriskiely