tensorflow self-study in actual combat [2]

Denoising self-encoder based on tensorflow Autoencoder: An unsupervised learning algorithm, which is mainly used for data dimensionality reduction or feature extraction. In deep learning, autoencoder can provide the initial value of the weight matrix before training begins. Xaiver Glorot and Yoshua Be ...

Posted on Mon, 22 Jul 2019 01:43:15 -0700 by vumpler

Photographs of Android Camera Module Resolution

Recent study of Android's Camera module, this article first introduces the api of Camera 2, then gives an example of android camera photography, explains the reasons for the knowledge of camera photography, and we would like to share with you. Introduction to Camera 2 Introduction of android camera photography function Introductio ...

Posted on Sun, 21 Jul 2019 08:55:06 -0700 by mw-dnb

Singleton pattern - the simplest design pattern?

First, in the front In the system development and design, there are always several situations, such as: (1) creating destroyed objects frequently; (2) creating objects consumes a lot of resources, but often uses objects (such as tool class objects, frequently accessing database or file objects, data sources, session factories, etc.); and (3) on ...

Posted on Sun, 21 Jul 2019 06:53:39 -0700 by msielski

SpringBoot 2.x Integrates Spring-Session for Session Sharing

SpringBoot 2.x Integrates Spring-Session for Session Sharing 1. Preface Up to now, there are few single-service application architectures, not to mention the use of distributed architecture deployment, at least multi-point high-availability services. Seession sharing is a problem that must be faced in the case of multiple servers. To solve the ...

Posted on Sun, 21 Jul 2019 01:44:47 -0700 by renegade44

Oracle 12c Reading Notes (2): Oracle Database Architecture

  Analysis in 11g Database instances include: SGA and a series of background management, monitoring abbreviations The database contains three files: data file, control file, redo log file Database instances and databases are the core parts of Orale's database system   Oracle Server and Instance Example: consists of some in-memory and backgroun ...

Posted on Wed, 17 Jul 2019 10:30:23 -0700 by Jack_Slocum

Listeners First [Basic concepts, Servlet listeners]

What is a listener A listener is a common java program that implements a specific interface. This program is designed to listen for method calls or property changes of another java object. When these events occur on the listened object, a method of the listener will be executed immediately. Why do we use monitors? The listener can be ...

Posted on Tue, 16 Jul 2019 09:31:00 -0700 by Sianide

Connection, Control, Data Transfer (Swift) between the iPhone and iWatch

Recently, in a project involving the transmission of data and the control of interface jump between the iPhone devices and watches, I searched a lot of information on the Internet, and found that the domestic websites were not introduced much, while the foreign websites were not very complete, so I am writing this blog here to give you a refere ...

Posted on Sun, 14 Jul 2019 14:52:01 -0700 by dmcentire

[Java Concurrency] Details ThreadLocal

Preface ThreadLocal is mainly used to provide thread local variables, that is, variables are only visible to the current thread. This article mainly records the understanding of ThreadLocal. More articles on Java multithreading can go to Here. Thread local variables In a multithreaded environment, concurrency problems arise because different t ...

Posted on Sun, 14 Jul 2019 12:40:59 -0700 by vegnadragon

Spring Boot Dry Goods Series: (6) Static Resources and Interceptor Processing

Preface In this chapter, we introduce SpringBoot's support for static resources and a very important class, WebMvcConfigurerAdapter. text In the previous section, we also briefly introduced the default support for static resources in SpringBoot. Today, we describe in detail the default support and how to implement the custom extension. Defau ...

Posted on Sun, 14 Jul 2019 10:06:05 -0700 by trdesigns

Implementation of Spring MVC redirection transfer parameters

SpringMVC To pass parameters to the page in a spring controller, just configure the view parser, add parameters to the Model, and use el expression to get the parameters on the page. However, using forward mode, the browser's address bar is unchanged. If the browser F5 refreshes at this time, it will cause the form to be submitted repeatedly. ...

Posted on Sat, 13 Jul 2019 15:18:37 -0700 by vigiw