pmp study notes

Java Study Notes (2), java Study NotesI. Common java Data Types Data Type Bytes occupied Note: Int 4 Char 2 Double 8 Float 4 Float a = 2f; (f or F must be added; otherwise, the default value is double) Boolean 1 Only true or false without 0 or non-0 String

Rupeng Net study notes (8) CSS and pennet Study Notes css CSS I. Introduction to CSS 1. CSS (Cascading Style Sheet) Cascading Style Sheet is a computer language used to control the Display Effect of HTML content. 2. CSS pre-defines many style attributes related to the display effect, such as color and font-size. If you

Rupeng net Study Notes (10) DOM and pengnet study notes dom DOM notes1. Introduction to DOMDocument Object ModelDOM node tree model: the entire document is divided by nodes from large to small. Each content is counted as a node.The dom api programming interface can be used to manipulate any part of the page content.Ide

EXTJS 5 Study Notes 2, extjs Study Notes 2 1. The Components Hierachy Component System 2. XTypes and Lazy Instantiation xtype and delay Initialization1) Each component has a symbolic name xtype 2) initialize now: Ext. create () Delayed initialization: xtype 3. Show and hide Showing and Hiding1) All components have bu

MSMQ Study Notes 1-Overview, msmq Study Notes I. What is MSMQ? Message Queuing (MSMQ) is a Message-oriented middleware developed by Microsoft and can be used for asynchronous communication within the program or between programs. The main mechanism is: the Message sender puts the information he wants to send into a co

robot, it is important that the hardware (motor, reducer) is important or the bottom control algorithm. Complete electrical drawings should be included in the section Normalize nouns. Identification and code of the document, identification of electrical symbols; Figure and the callout of the figure. Subdivided into the schematic diagram, function diagram, circuit diagram, wiring diagram; Form. The function table and the time permit table diagram; File-related information. Part

Linux Study Notes 2_mysql installation, Study Notes 2_mysql There are many commands for viewing file content: cat, tac, more, less, head, tail, nl. Cat displays the file content from the first line. tac displays the file content from the last line. You can see that tac is a reverse write of cat. more displays the file

My MYSQL Study Notes (4) -- functions and mysql Study Notes Functions Numeric Functions 1. Evaluate the remainder function MOD (X, Y) MOD (X, Y) returns the remainder of x after division by y. MOD () also applies to values with decimals. It returns the exact remainder after division. 2. Function TRUNCATE (X, Y) TRUNCA

Lua study notes 9: Multi-file, lua study notes 9 Execute multiple files in a terminal:-l Add a variable defined in file 1 and output the variable in another file. The Code is as follows: --file1.luanum = 100 --file2.luaprint(num) Terminal input (Note: it is not the lua command line ): lua -lfile1 -lfile2 Note: Do not

SQL Study Notes (21) ---------- add Foreign keys and Study Notes ---------- I have been busy with exams recently! As soon as I saw the exam, I was covered! Completely blank brain, uncontrolled, coupled with abnormal invigilators, let alone how painful it is. Fortunately, after successfully completing the test, I took s

Linux cloud computing cluster Architecture Study Notes: user management and root User Password Reset, Study Notes root RHEL7User Management Content of this section: Configuration files of users and groups Manage users and groups RHEL7Crack the root password Compared with windows, users and accounts in LINUX serve

[Study Notes] [C Language] sizeof, Study Notes sizeof 1. used to calculate the memory bytes occupied by a variable, a constant, or a data type. 2. sizeof has three forms 1> sizeof (variable \ constant) Sizeof (10); char c = 'a'; sizeof (c ); 2> sizeof variable \ constant Sizeof 10; char c = 'a'; sizeof c; 3> siz

[Study Notes] [C Language] data, Study Notes C Language1. What is data? We are always dealing with data, such as weight data, blood pressure data, and stock price data. When we use computers, we will be exposed to a variety of data, including document data, image data, and video data, there are also text data generated

RancherOS Study Notes (1), rancheros Study Notes Today, I just want to briefly understand rancheros and try to install it. This is the official documentation: http://docs.rancher.com/ OS/ This is the official site Github address: https://github.com/rancher/ OS Rancheros has a very strange system management method. All

Liblas Study Notes 2-build grid indexes and liblas Study Notes The main code file is index. hpp index. cpp. Index. hpp defines several macros // Maximum memory limit. The default value is 10 MB. # Define LIBLAS_INDEX_MAXMEMDEFAULT 10000000 // 10 megs default // Minimum Memory, 1 MB by default # Define LIBLAS_INDEX_MINM

MySQL Study Notes _ 8_ SQL BASIC Language review, Study Notes _ 8_ SQL SQL language basic review I. Overview SQL statement comments 1) All contents starting with "#" until the end of the line are comments 2) All content starting with "--" (-- and then a space) until the end of the line is annotated. 3) All content end

Mysql Study Notes 4 (view), mysql Study Notes ViewView Operations on views can simplify queries and improve security. View: Essentially, a virtual table is similar to a real table and contains a series of columns and row data with names. However, a view does not exist in the form of storing data values in th

[HTML5 learning] HTML5 Study Notes (2) and html5 Study Notes Next (6): HTML5 style, link and table ①: HTML style: 1. label: 3. inline style sheet:

Python Study Notes 2: python Study Notes Chapter 4 for and while Loops 1. for is faster than while. The author of the python learning manual has been restarting to emphasize this. 2. A lot of for usage A. for x in list:, similar to foreach in C #, but the modification to x cannot change the original value unless x is a

Sqlite Study Notes 1: Compile the database and sqlite Study Notes First, I am using a Linux environment. 1. Download source code Download from the official website: click here Second compilation 1. Decompress After the download is complete, it is generally in the "Download" directory of the current user, first cd to