The first chapter focuses on the common operations of strings. If you understand the following functions, you can skip this chapter. Strpos (): searches for the position of another string in a string. If the returned value is false, a number, or null, You need to judge substr (): specify the start position and length of a substring from a string.
The first chapter
development process has written a re-change mode, and so on. But maybe I didn't read it well, after reading it, I was able to sort out how the team worked together and what everyone in the team was responsible for. Do you want to write a demand design together? Or is it part of the people responsible? There are no concrete examples to help understand it. A company develops a big project, how to get a software team to work in a methodical way, how do they divide, and how to integrate all the par
Chapter One: IntroductionProblem: Engineers do not see how their source code is specifically executed on the user's machine, and can hardly reproduce the problem of the program completely, then how to properly modify a software or program?Chapter II: Personal Skills and processesQuestion one: How can I tell if a unit test is successful? Is the code coverage of 100%?Question two: How do unit tests overwrite
engineers: As the teacher gave examples: football has different shapes: 442, 433, 451 and other styles. A team of football has various roles, in the software engineering personal development we have to do a good role to do a good job of control, each project is mainly responsible for a module, or learn flexible, all aspects must understand, in the project to focus on a module?The fourth chapter two people cooperation: the way of feedback is related t
Starting from this chapter, we will learn about triangle learning and apply it to animation technology in chapter 5.It will be exposed during the graphic technique. If you already know about triangle learning or want to learn about animation, you canSkip this part and come back to study when you encounter problems that you don't understand in the future. 90% of triangle learning we use needsMath. Sin and ma
Great deal. I was supposed to update it yesterday. As a result, I was too excited to receive my new focus phone yesterday and forgot my business. Sorry!
Directory address for this book Note: http://www.cnblogs.com/mdyang/archive/2011/06/29/data-intensive-text-prcessing-with-mapreduce-contents.htmlIntroduction
Mapreduce is very powerful because of its simplicity. Programmers only need to prepare the following elements:
Input data
Mapper and reducer
Splitter and merge (these two are optional)
dividing the target cache size by the number of available logical processors in a physical processor package. Generally, some cache lines need to access data that is not used as the source or target cache part in the cache block, in this way, the block size can be selected from 1/4 to 1/2 of the target cache size (see chapter
The 1th Chapter JS Introduction1.js consists of three parts, ECMAScript, DOM, BOM.The 2nd chapter uses JS in HTML1. Put the The defer property of the 2.Chapter 3rd Basic Concepts1.js Everything is case-sensitive. The first digit of the identifier cannot be a number.Five basic types of 2.js: undefined,null,boolean,number,string. A complex Type: object.3.null is us
[Test] database system principle-detailed explanation (Chapter 1), detailed explanation of legend monster Database
I still remember the first time I read this book, it was very messy, especially the three or four chapters. I didn't understand this book very well. I just drew two flowcharts and did not dare to post them, I hope you can get your guidance.
The topic of the following blog is the first
.
This chapter introduces the initial knowledge of eclipse and SWT and jface. At the same time, we will also introduce some methods to generate SWT and jface programs without using eclipse. However, we will not talk deeply about the use of eclipse-as described in other textbooks. In fact, we will seldom mention eclipse later in this chapter. Except this chapter,
Gradle tutorial description Chapter 1 Web applications-Quick Start and gradle Quick Start
This chapter is an ongoing work
This chapter describes Gradle support for Web applications. Gradle provides two plug-ins for Web applications: War plug-ins and Jetty plug-ins.
The War plugin extends the Java Plugin to build your
This chapter relates to the source code, and the previous chapter learned git download two sets of source code, a set is the Android source code, all download will nearly 4GB size, its gold content imaginable. The other is The core Linux kernel source code, hundreds of MB after decompression . First we learn to download, compile, and test the Android source code. 1
In addition to supporting the use of visual components to build applications WYSIWYG, it also supports the design of their own parts for the development of applications.
In this chapter, you will explain how to write parts for the Delphi application. This chapter will serve two purposes:
Teach you how to customize parts
Make your parts an integral part of the Delphi environment
19.1 Delphi Parts Princip
Chapter 1 use OpenGL in inventor
Objectives of this Chapter
After reading this chapter, we will be able to do the following:
L create an inventor callback node and call the OpenGL library function in the callback function.
L understand how inventor uses and affects OpenGL State Variables
L compile a program
Chapter One introduction to the Knowledge field of 1.2.4 Software engineeringQuestion: Since the domain of software engineering involves so much, how should we learn it well?Chapter II Personal technology and processes 2.1 Unit Test 2.3 person development processQuestion: How do you write a unit test for a software engineer? How to achieve both customer satisfaction and efficient completion of projects and
Chapter I.1.2.5 FestivalProblem: One of the important tasks of software engineering is to decide when a software can be "good enough" to be published. So what is the good enough?Chapter II2.1 KnotsQuestion: Should we write unit tests and regression tests? The book says unit testing must be written by the person most familiar with the code, but how do you write it? How do you know the unit test is wrong? How
Build high performanceASP. NETSite Chapter 5-Performance Tuning Overview (Part 1)
This article describes how to use some simple tools to analyze some data related to site performance.ArticleWe have discussed the general process of Performance Tuning. This article will introduce some methods and tools to help you get started quickly.
Links to articles:
Build high performanceASP. NETSite Openi
R in action Reading Notes (19) Chapter 1 Principal Component and factor analysis, action Reading Notes
Chapter 2 Principal Component and Factor Analysis
Content of this Chapter
Principal Component Analysis
Exploratory Factor Analysis
Other latent variable models
Principal Component Analysis (PCA) is a data dimension re
following will be your software structure:
Each controller class is namedControllerThe end, such as productcontroller and homecontroller, all exist in the controllers directory.
There is a separate view directory to store all views in the program.
The views used by controllers are all in the subdirectories of the Views home directory and named according to the Controller name (removedControllerSuffix ). For example, the view corresponding to productcontroller mentioned above exist
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