COBOL: common business oriented language

CICS其全称是 Customer Information Control System

application servers that provide online transaction management

J2ee java enterprise edition

java 9 Java 9’s modularity let developers more easily maintain applications

Enterprise JavaBeans (EJB): is one of several Java APIs for modular construction EJB is a server-side software component that

JDBC java database connectivity technology  API

This technology is an API for the Java programming language that defines how a client may access a database.

It provides methods for querying

JavaServer Faces (JSF):

MVC web framework that used for user interfaces

IBM Content Manager：

manage your growing volume content

RSA:

RSA (Rivest–Shamir–Adleman)) is one of the public-key for secure data transmission.

WebSphere :

IBM WebSphere refers to a brand of computer software products 。create applications and integrate applications with other applications.

web services:

is a method of communication between two applications over the World Wide Web (WWW).

IBM Db2

relational model， also support no relational model

.NET

a open source developer platform for building many different types of applications.

ASP.NET

a framework for web development to produce dynamic web pages

BPM (Business Process Management) is a business solution approach which views a business as a set of processes or workflows

C#

processing image by pixel

Clarcase : IBM

Team Foundation Server (commonly abbreviated to TFS) is a Microsoft product that provides source code management

2.Platform independence means that you can run the same Java Program in any Operating System.

3. JVM is responsible for converting byte code into machine readable code. JVM is not platform independent,

4.Java Development Kit (JDK) is for development purpose and JVM is a part of it to execute the java programs.

5.Java Runtime Environment (JRE) is the implementation of JVM.

Analyse a system:

1.Starting with a good attitude will also help you in talking to people on the project later on.

2.Document :, collect Question

3.Start with the data,run

4.Find core point .Make a list of the technologies used

5.read some code

6.talk to people

7.write summary

PageRank：

A refers to 3 pages

value

one page donot refer to any page weight is 0 : dead ends

result is 【0,0,0,0,0】

pr(N) = pr(n-1)(1-B) * transition matix + B*pr(n-1)

B = 0.2

spider traps: c refer to c result [0,0,1,0,0,0]

HITS：

initial value hub and autority for every page is 1

a(i) = sum(h(i))

h(i) = sum(a(i))

a(i) / hightsest a

h(i) / hightest h

知道不变化

android多线程

1)Activity.runOnUiThread(Runnable)

2)View.post(Runnable) ;View.postDelay(Runnable , long)

3)Handler

4)AsyncTask

Accuracy is how close a measured value is to the actual (true) value.

Precision

Precision is how close the measured values are to each other.

RF is for classfication

logistic reg is category outcome binary