word processor

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VI Word Processor

Displays the line number, which, when set, displays the line number of the row in the prefix of each row: Set Nonu is the opposite of Set Nu, the line number is canceled! Block Selection (Visual block)Key meanings of block selectionV character selection, the cursor will pass through the place of the white selection!V-line selection, the line of the cursor will be reversed white selection![Ctrl]+v block selection, you can select the data in a rectangular wayY Copy the anti-white place.D Remove

VI Word processor in Linux

▲ VI three types of processing modesGeneral Mode ???? move the cursor, delete a single whole line of words, copy and paste ( ESC )edit Mode ???? Input characters ( i o a r )instruction Mode ???? Read storage file, search replace function ( : / ? )▲ common commands in instruction modeSet nu???????? Show Line Numbersset Nonu???? Cancel Line number: w???????? write the edited data to the drive file: Q???????? Leave VI: Wq???????? Save after leaving: x???????? Save and launchu???????? Restore the pr

Clarify Processor, Processor Sockets, Processor cores, Logical processors, hyperthreading these concepts

If you only know the concept of CPU, then it is impossible to understand the CPU topology. In fact, in the NUMA architecture, the concept of CPU is from big to small: Node, Socket, Core, Logical Processor. With the development of multicore technology, we encapsulate multiple CPUs together, a package commonly referred to as a socket. Where the physical processor is plugged in, it looks like this: Each core

Java uses the annotation processor to generate code-Part 2: annotation Processor

Java uses the annotation processor to generate code-Part 2: annotation Processor This article is part 2 of my "using annotation processors to generate code for Java" series. In the first part (please read here), we will introduce Java annotations and several common methods. Now, in the second section, we will introduce annotation processors. This includes how to create annotation processors and how to r

X86 processor-x86 Processor Architecture

2.1 General Concepts 1. The central processor unit (CPU) contains registers and what other basic elements? TheClockSynchronizes the internal operations of the CPU with other system components. The clock synchronizes internal CPU operations and other system components. TheControl Unit(Cu) coordinates the sequencing of steps involved in executing machine instructions. The Control Unit coordinates the steps in the machine instructions. The

The third stage of Self-writing processor-the blueprint for the openmips processor for Teaching

I will upload my new book "self-writing processor" (not published yet). Today is the tenth article. I try to write it every Thursday. This chapter describes how to implement the openmips processor for teaching. This chapter provides a blueprint for the openmips System for the tutorial version. First, it introduces the design objectives of the system. It details the 5-level pipelines implemented by the ope

One hour to figure it out. Annotation Processor (Annotation Processor Tool)

The annotations in Java are a magical thing that you don't know yet. You can see the custom annotations (Annotation) for the next hour. Now a lot of Android libraries are implemented using annotations, such as butterknife, we do not want to learn, we learn the note processor, we try to write a simple similar to the butterknife of things to bind the control.What is an annotation processor? The annotation

E3 and i5, which one? i5 processor and E3 Processor Difference comparison Introduction

Small series found that recently a lot of enthusiastic netizens in the network asked a more representative question: about E3 and i5 processor which is good? E3 and i5 which is good i5 compared with E3 processor In the current high-end mainstream installed, the most choice is i5 and E3 processor, which i5 and e3-1230 price difference is not much, bu

"Springmvc Notes" lesson three processor Mapper + processor Adapter

In the second lesson example, the first processor mapper and processor adapter are configured in Springmvc.xml, as shown below. configuration of the first processor mapper beannameurlhandlermapping - Beanclass= "Org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping">Bean> Configure the first p

Processing 2D images and textures-extended image content processor: grayscale conversion and processor Parameters

Extended image content processor: grayscale transformation and processor parameter problems You want to extend the image processor to process the color of each independent pixel. You also want to change the processor parameters from the XNA main project.Solution In the previous tutorial, you learned how to extend the c

Java thread exception processor, Java thread processor

Java thread exception processor, Java thread processor Thread. UncaughtExceptionHandler is a static internal interface of the Thread class. This interface has only one method: Void uncaughtException (Thread t, Throwable e), where t represents the Thread with an exception and the exception thrown by the e-table. If an unhandled exception is thrown during thread execution, the corresponding unhandled exceptio

[Processor, microcontroller] processor related noun explanation

1, MCU, MPU: Mcu:micro Control Unit (microcontroller unit) Mpu:micro Processor Unit (microprocessor unit) The MCU integrates the on-chip peripheral devices, the MPU without peripheral devices (such as memory arrays), is a highly integrated general-purpose processor, and is the MCU that removes the integrated peripherals.2, MCU, MPU, DSP: Dsp:digital Signal

Uvalive 4254 Processor Processor (two-part simulation + greedy)

 There are n tasks, each task has ri,di,wi, and the [Ri,di] representing the task represents the time interval in which the task can be done, while WI represents the workload of the task; now there is a processor, if it is executed at a speed of s, then the time required to complete the I task is wi/s; Required to calculate the minimum value of the maximum speed during processor executionThe idea is very

The processor Mapper and processor adapter used in the "Springmvc notes" Lesson IV annotated

. - - Simplified Note Processor Mapper and adapter: Contains not only the above mapper and adapter, but also loads a lot of parameter binding methods - Mvc:annotation-driven>mvc:annotation-driven>Iv. Development process1. Modify the Springmvc.xml file as follows:XML version= "1.0" encoding= "UTF-8"?>Beansxmlns= "Http://www.springframework.org/schema/beans"Xmlns:xsi= "Http://www.w3.org/2

LoadRunner problem: Monitor name:windows Resources. Cannot create measurement processor|% Processor time|_total on machine 192.168.0.1

DescriptionWhen LoadRunner is monitoring Windows system resources, running the Discovery report following error after adding good Windows resource:Int:Check that there was such a measurement on the This machine.Check that, selected the right platform. For the monitored machine in the Add Machine dialog box.Note:when you monitor a Win2000 machine from an NT, some counters is not being available.Try to delete this measurement and add it again (use the Add Resources dialog box) (Entry point:cfactor

Introduction to DBUtils result set Processor and dbutils result Processor

Introduction to DBUtils result set Processor and dbutils result Processor Common-dbutils.jar is an open-source tool library provided by the Apache organization for simple encapsulation of JDBC, which can simplify the development of JDBC applications without affecting program performance. 1. QueryRunner class ① Update method: Int update (String SQL, Object... params) --> execute the add, delete, and modify

Parallel processing of multi-processor/multi-core processor -- microthread

The above two articles introduce two typical and simple parallel methods, and briefly introduce their performance and advantages and disadvantages. Here we will introduce another method:Micro-ThreadTo synchronize multiple parallel tasks. Let's imagine the problem below the limit: To search for an element in a known-length huge linear table (such as a one-dimensional array), and all the elements in the table are unique. The processor we use now has two

-1__ processor design for semi-compliant arm soft core processor

My God, this article speaks about the instruction format and transmission of the processor: [63:61] [60] [59:54] [53:48] [47:42] [41:0] Conditioncode dataswitch OPCode targetreg secondreg Else Conditioncode is a conditional code, simplified after the remaining 6 (==,!=,>, Dataswitch, if you set 1, then the other part represents a 32-digit or 42-bit address, and if 0 it says only [41:36] represents the register. opcode for opcode, not explained, attach

C pre-processor, processor

C pre-processor, processor The C Preprocessor is not a component of the compiler, but a separate step in the compilation process. The C Preprocessor is just a text replacement tool that instructs the compiler to complete the necessary preprocessing before the actual compilation. All Preprocessor commands start with. It must be the first non-null character. To enhance readability, Preprocessor commands shoul

Internal query processor error: Query processor encountered an unexpected error during execution

The official explanation is as follows. I haven't figured out why. I didn't execute two identical select into statements as described below. I still reported this error, and after I changed it using the first method, I only passed the test for the first time, and this problem occurs later. Then I changed it to the second method and tested it several times. So far, no error has been reported. In addition, I use JDBC to execute SQL statements. I place the first and second SQL statements (original

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