what is floppy colon

F1: If you are in a selected program and need help, please press F1. If you are not in any program now, but are in Resource Manager or desktop, the Windows helper will appear when you press F1. If you are working on a program and want Windows Help, you need to press WIN+F1. Press SHIFT+F1, and there will be "What ' s This?" 's Help information. F2: If a file or folder is selected in the Explorer, pressing

alternative syntax is an uncommon and sometimes important concept in PHP programming. Many friends have this question: what does the colon and endif after else mean? Google a bit to understand that this is the PHP alternative syntax. where the colon (:) equivalent to the l

no space, but also quotes, annoying. When displaying a list of files, it is annoying to show so many quotes. More people have suggested: I want to put the double quotes themselves as part of a special file name, can you support it? It seems that adding double quotes also has the annoyance of double quotes. So, as a developer, what's the simple thing? The Rule UD does not support file names with spaces The simplest!ud

Chapter 1 enlightenment 1.3 What is hardware and software What is hardware? What is software? I sat in front of the computer for half an hour and still didn't figure out how to define them. A computer prodigy in The United States

What is the difference between object-oriented programming and process-oriented programming? C language is process-oriented programming. It is the most important feature of a function. It calls subfunctions through the main function. The program running sequence is determine

Author: fbysssBlog: blog.csdn.net/fbysssMSN: jameslastchina@hotmail.comDisclaimer: This article is compiled by fbysss. Please specify the reference address for reprinting or referencing.Keyword: QNAMEQNAME is often seen when using dom4j. It may be that the XML parsed by myself is too simple, so I haven't studied it carefully, but I think the name

function of the vector of the code itself, it is also the object. The bounds of data and code are pretty vague in JavaScript4). DynamicThe properties of an object can be set dynamically after the object has been created, and the property value can be a random type of data (naturally, it can be a function)We added the school property and the Getschool method after we created the object.Obj.school = "Nupt"; obj.getschool = function () {return this.scho

be running normally, the second is abnormal; if ACCESS is, both are abnormal.3. MSSQL three key system tablesSysdatabases system table: each database on Microsoft SQL Server occupies one row in the table. When you first Install SQL Server, sysdatabases contains the master, model, msdb, mssqlweb, and tempdb database items. The table is only stored in the master d

What is a flash drive? Portable storage (USB flash disk), also known as a flash drive. is the use of USB interface and Flash (Flash Memory) technology combination of convenient to carry the appearance of exquisite fashion mobile storage. Flash disk is a flash memory for the media, so with a number of times to write, f

The storage that I knowAs we all know, storage devices are the media that holds data, including tapes, CDs, videotapes, floppy disks, USB drives, hard disks, arrays, and so on. Here's what I'm talking about from the storage I'm touching:1, primary and secondary school period, 90 's, 2000 years or so, the most contact is tape and CD-ROM.Tape, which

What is WMI? Windows Management Instrumentation (Wmi) is a scalable system management structure that uses a unified, standard-based, and scalable object-oriented interface. It provides standard methods for interacting with System Administrator information and basic WMI APIs. It is mainly used by system management appli

alternative syntax for process control, including If,while,for,foreach and switch. The basic form of substitution syntax is to replace the left curly brace ({) with a colon (:) and the right curly brace (}) into Endif;,endwhile;,endfor;,endforeach; and Endswitch;. queryphp Simple MVC ORM Framework --------------------------------------------- Http://topic.csdn.net/u/20100310/11/62a60067-b3da-4dee-9d6a-f1

This article mainly introduces the definition of Ajax, as well as the specific use of Ajax, now let's read this article 1. What is Ajax? A technique that allows a browser to communicate with a server without having to refresh the current page, called Ajax. In the actual programming process, often xmlhttprequest as a synonym for Ajax, XMLHttpRequest is an extensio

means copying only one block; BS = 512 means the block size is 512 bytes. Recovery: # dd If =/root/image of =/dev/had write the backup MBR information to the start part of the disk. 7. backup floppy disk# Dd If =/dev/fd0 of = disk. img count = 1 bs = 1440 K (Block Size: 1.44 MB) 8. Copy the memory content to the hard disk# Dd If =/dev/MEM of =/root/MEM. Bin BS = 1024 (specify the block size as 1 K) 9. Copy

English Original: The best debugging Story I ' ve ever HeardThat was the beginning of the 80 's, when my father worked for a storage device company, which no longer exists, it produces tape drives and a pneumatic system that drives these tapes at high speeds-a product of that era.(used under license from Laughing Squid. The original image can be found here. )They retrofit the tape drive so that you can have only one central drive-the "A" disk-connected to several "B" disks, which resides in a sm

What is JSON what is Json,json and how JSON is usedJSON is a data structure that replaces XML, which is smaller and less descriptive than XML, and because of its compactness, the networ

If you enter a command, such asJavaSo how did the system find the command?In order, the system first searches in the current directory whether there are Java.exe, Java.bat and so on. If not, get the system path (case insensitive) to find.For example, the path of your environment variable has C:\program Files\java\jdk1.6\binThen the system will try to find it under this directory and find the Java.exe then execute it.So path is a parameter that the sys

Full ollydbg tutorial 1. What is ollydbg? Ollydbg is a 32-bit assembly-analysis debugger with a visualized interface. It can solve the problem when no source code is available, and can solve the problem that other compilers cannot solve. Version 1.10 is the final release ver

Knock on the keyboard every day, we actually understand the keyboard is not so deep, we use most of the keyboard, at least 12 function keys, usually known as the F key, its position is generally at the top of the keyboard, then these 12 keys each master how the function of positioning it? F1: If you are in a selected program and need help, please press F1. If you are not in any program now, but are

HTTP (hypertexttransferprotocol) is an abbreviation for Hypertext Transfer Protocol, which is used to transmit WWW data, the HTTP protocol defines a lot of ways to interact with the server, the most basic 4 kinds, namely get, POST, PUT, DELETE. A URL address is used to describe a resource on a network,In HTTP, get, POST, PUT,Delete