what is nvr mean

When creating table, we often encounter such a statement, for example, corpname nvarchar (10) Collate chinese_prc_ci_as null. What does it mean? Take a look at the following: Syntax Collate {Windows_collation_name} | {SQL _collation_name} Parameters Collation_name Is the name of the sorting rule applied to expressions, column definitions, or database definition

What does Wireless AP mean? Many people in our lives are using wireless networks, while Wireless AP is common in wireless networks. Many people still have many questions about Wireless AP, for example, what Wireless AP means is a common problem in wireless networks. An Acces

We often see on the computer that the partition is NTFS, so what does this NTFS mean? NTFS is the recommended partition format for Microsoft Windows operating system series Win2000, XP, and Win7. is a new filesystem for solving the early fat (file partition table)

What does the arrow in php mean? what does the arrow in XX1 "- gt;" XX2 mean? what does the entire formula mean? the object calls its attribute or method symbol: PHPcodeclassABC {public $ name = quot; TOM quot;

To better understand css, especially css rendering in IE, haslayout is a concept that needs to be completely cleared. Most IE display errors are due to haslayout. What is haslayout? Haslayout is an internal component of the Windows Internet Explorer rendering engine. In Internet Explorer, an element To better understan

What do you mean by "/g" in the "Regular expression (/[^0-9]/g,")? "This question, also in order to be able to have a more comprehensive and profound understanding to the regular expression, I will summarize some key points and the easily confused place again." Summary 1: Usage of appendix Parameter G The expression plus the parameter G indicates that a global match can be made, noting the meaning of "can

What does Excel mean? In particular, it is common to filter formulas. Let's take a look at a basic usage, A1 cell is empty cell, do not enter any content, B1 cell enter =A1, carriage return, returned result: 0. The input =a1 "" returns empty text. After reading the explanations above, you will understand

What does HD mean? The acronym for high display is the clear version of the meaning of the resolution can be adjusted. what is the abbreviation for the HD edition of the game : HD is the abbreviation for high digital, which

　What does Swift code mean? Swift code is the meaning of "Bank identification Code", which is ISO 9362, which is often also called swift-bic or BIC code or Swift ID. Swift code is mainly composed of 8 or 11 English letters or num

Solid-state hard disk because many friends have never used, coupled with a lack of comprehensive understanding, so the late use of solid-state hard disk will often encounter much more confusing things, such as a net friend asked the SSD 4k what does it mean? 4K meaning, simple is that partition time by 4K size to allocate each small module, such a hard disk

What does CPU overclocking mean? Overclocking is more than the original frequency of the computer overclocking, for example, when we are running, if you run at a speed of 5 m/s, but after a while, you want to run and run faster, then you have to speed up, then you move to 7 m/s, your speed is significantly faster. Dur

Tofu is made of excellent productsHttp://www.asp888.net bean curd technology station Friends who often write asp + programs must have seen such code Button_Click (Object Sender, EventArgs E)But what does Sender mean? What is his usefulness?Many people just call it mechanica

What does a piece of PHP code mean? I saw a piece of PHP code on the internet. since I have never learned PHP, I don't know what it means. please help me explain it ...... [{"text": "1. Pre Lunch (120 min)","expanded": true,"classes": "important","children":[{"text": "1.1 The State of the Powerdome (30 min)"}, {"text": "1.2 The Future of jQuery (30 min)"}, {"

What does CEO, COO, CFO, CTO mean? Various positions in the website: CEO (Chief Executive Officer) CEO similar to General manager, President, is the corporate representative. COO (Chief operating officer) chief operating officer similar to managing Director CFO (Chief Financial Officer) Chief financial officer similar to finance general manager CTO (Chief Technol

permission, and alter routine and execute permissions are automatically granted to its creator;To create a stored procedure:First declare the delimiter, the so-called delimiter refers to you notify the MySQL client you have entered a SQL statement character or string symbol, here we use "//" as the delimiter;Delimiter delimiter \such as: delimiter//Then create the stored procedure:Create Procedure Stored Procedure name ()Declare the stored procedure to begin:BeginThen start writing the stored p

What does this code mean? the following code cannot tell the number, where is it? it's messy. $ Site_url = strtolower ('http ://'. $ _ SERVER ['http _ host']. substr ($ _ SERVER ['php _ SELF '], 0, strrpos ($ _ SERVER ['php _ SELF'], '/index. php ')). '/shop/index. php '); Reply to discussion (solution) $ _ SERVER ['http _ host']

What does Sony assist mean? Small part of the answer: Sony assist key is the original Sony notebook provided by the additional auxiliary keys, assist English noun translation is to help; aid; machine Assistant; The meaning of the auxiliary device, that is, the assist ke

　　What does the TC version of the movie mean? TS is a stolen version, generally stealing the use of external audio sources (cinema seats on the headphone jack). Generally understood as the gun version is the quality is not too good version ... tc= film, Digital copy ts= c

　What does PS layer mean? 1, first, let us know the layer, what is the layer? In fact, a good work is often a lot of graphs stacked together, sometimes, in order to facilitate the editing of images, without affecting the original image, at this point, you need to create a n

change. This saves the amount of data transferred and achieves bandwidth savings. When the server-side code changes or restarts the server, the resource is re-emitted, similar to when the first request is returned. This ensures that the resources are not duplicated to the client, and that the client is able to get the latest resources when the server changes.Thi