pmp study notes

Linux Study Notes and linux Study NotesLinux is a free and free-to-use Unix-like operating system. It is a POSIX and UNIX-based multi-user, multi-task, multi-thread and multi-CPU operating system. It can run major UNIX tool software, applications and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits the network-centric Unix design philosop

Python Study Notes 11 and python Study NotesNetwork ProgrammingConcepts required for Network Programming The network architecture is a kind of adhesive that uses different devices and network systems connected with different media to achieve interoperability in different application environments and meet various business needs. The network architecture is a hiera

IReport study notes, Study NotesOverview This section describes how to generate pdf documents based on jasper reports and data, solutions to Chinese font problems, and formatted output of date and time. IReport version: 5.2.0Generate maven dependency for pdf documents Complete dependency tree: [INFO] +- net.sf.jasperreports:jasperreports:jar:5.2.0:compile

Xadmin Study Notes (1) -- programming preparation, xadmin Study NotesPreface Xadmin is an open-source project on GitHub. It is a powerful upgraded version of Django admin. It provides powerful plug-in systems, rich built-in functions, and unparalleled UI themes, makes the management system implementation very simple. For more information, see the official website

Mybatis Study Notes (4): dynamic SQL statements and mybatis Study NotesDynamic SQL The dynamic SQL statement of mybatis is based on the OGNL expression. Some logic can be easily implemented in SQL statements. In general, mybatis dynamic SQL statements mainly include the following types: 1. if statement (simple condition judgment)2. choose (when, otherwize) is equ

Oracle study notes 9 database objects, oracle Study NotesOracle database objects are also called schema objects. database objects are a set of logical structures, and the most basic database objects are tables. Other database objects include: synonym is an alias of an existing object. It has the following functions: 1. Simplified SQL statement 2. Hiding the Objec

Oracle Study Notes 12 subroutines (stored procedures, custom functions) and packages, oracle Study NotesSubroutine: A named PL/SQL block, which is compiled and stored in a database. Subprograms: 1. declaration Part 2. executable part 3. exception Handling (optional) subprograms: 1. process-execute some operations 2. function-execute the operation and return the v

GeekBand's first week study notes and geekband Study NotesClass member Modifiers (Class member modifier) Public: can be accessed by any function or class. Private: cannot be accessed by external functions and classes of non-friends; Protected: can only be accessed by itself and its sub-classes;Friend (youyuan ): Modify non-operation membersYou can specify an exte

[Java Study Notes] java language core-this keyword of object-oriented, java Study NotesI. this keyword Embodiment: You can useThis keywordIn the constructor to call other constructor.Principle:Indicates the current object.This is the reference of the object to which the function belongs.Simply put, this indicates the object that calls the function with the keywo

Basic python Tutorial Study Notes --- (4) dictionary and python Study NotesSequence is a data structure in python, and ing is another. Mapping refers to a value by name. The only ing structure built in python is a dictionary. The values in the dictionary have no special order, but are stored in a specific key. Keys can be numbers, strings, or even tuples.1. Usage

WPF Study Notes (1): bind data elements to elements. wpf Study NotesPreface As a cainiao, I learned WPF for a while, but I didn't summarize it. After a semester, I found that many things have been forgotten. I still need to write down many things for future review. Data Binding is widely used in events and can effectively reduce the amount of code. What is data b

Quartz. Net Study Notes (2)-introduction, quartz.net Study Notes1. What is Quartz. Net? 1. Source Quartz. Net is an open-source job scheduling framework;2. Address: http://www.quartz-scheduler.net/documentation/index.html Source Code address: https://sourceforge.net/projects/quartznet/Ii. What can Quartz. Net do? Timed round robin Database Synchronization and tim

Bios mcsdk 2.0 Study Notes (1), mcsdk Study NotesAbout MCSDK Bios mcsdk is a set of components provided for TI's high-performance multi-Core DSP, including: SYS/BIOS real-time operating system Chip support libraries, drivers, and basic platform utilities Run-time libraries (OpenMP, OpenEM) Interprocessor communication for communication between SS cores

Hibernate Study Notes and hibernate Study NotesHibernater HqlHibernater failed to query by page. The query result is all because: Package com. tenni. test; import java. util. list; import org. hibernate. query; import org. hibernate. session; import org. hibernate. transaction; import org. junit. test; import com. tenni. entity. account; import com. tenni. entity

Mysql Study Notes 007 and mysql Study NotesCounting row Directly put the chestnuts on: Do customers want to know how many pets are swollen? (A count (*) function is required) The procedure is as follows: Select count (*) FROM pet; Mysql> select count (*) FROM pet;+ ---------- +| COUNT (*) |+ ---------- +| 9 |+ ---------- +1 row in set (0.09 sec) Mysql> Chestnut:

Java programming ideology Study Notes (1), programming ideology Study NotesObject Introduction 1. Abstract all programming languages provide abstract mechanisms. For example, assembly is a slight abstraction of the machine, and C language is an abstraction of assembly. In comparison, these languages have strong limitations in solving problems. Because they force

Oracle Study Notes eight tablespaces and oracle Study NotesA tablespace is a collection of one or more data files. All data objects are stored in a specified tablespace. However, they are mainly stored in tables, which are called tablespaces.Partition TableWhen the amount of data in a table increases, the speed of data query slows down, and the performance of app

HTML5 Study Notes 2: HTML basics and html5 Study NotesI. HTML title The HTML header is defined by the Ii. HTML Section HTML paragraphs are defined by tags 3. HTML links HTML links are defined by tags Iv. HTML Images HTML images are defined by tags . Note:The image name and size are provided in the form of attributes. For the above Code:

HTML5 Study Notes: Three HTML elements, attributes, titles, paragraphs, and html5 Study NotesI. HTML elements The HTML element usesStart tagStart The HTML element usesEnd tagTermination Element ContentIs the content between the start tag and the end tag. Some HTML elements haveEmpty content) Empty ElementClose in start tag(End with the end of the start tag)

Python Study Notes 2: Build sequence: List derivation and generator expression, python Study NotesWelcome to my website: www. comingnext. cn1. about Python built-in Sequence Types A. differentiate container Sequences Based on whether different types of data can be stored: The list, tuple, and collections. deque sequences can store different types of data.Flat seq