prefix means double

Directory: Summarize Thinking and realization Some of my own notes about Java basics 1. Summary The habit now is to consider the correct case first and then consider the boundary condition Write a comment

Refer:http://databases.aspfaq.com/general/why-do-some-sql-strings-have-an-n-prefix.htmlYou may have seen Transact-SQL code that passes strings around using a N prefix. This denotes, the subsequent string is in Unicode (the nth actually stands for

You may have seen Transact-SQL code that passes strings around using an n prefix. this denotes that the subsequent string is in Unicode (the N actually stands for national language character set ). which means that you are passing an nchar, nvarchar

Using MASM to write Windows programs is actually dealing with Windows APIs, and it is impossible for one person to remember all API usage, so API reference manuals are essential, and the API reference manual is represented by the Hungarian notation,

The trie tree is a search tree abbreviated to the English word "retrieval". It can establish an effective data retrieval organization structure and is a common implementation of the dictionary in the Chinese matching word splitting algorithm. In

Python uses underlines as the prefix and suffix of variables to specify special variable methods. There are four main situations: 1.1.object # public2. _ object __# special, pythonsystemuse, usershouldnotdefine... Python uses underscores as the

2. Database Logic Design Principles 2.1 naming rules 2.1.1 table attribute Specification 2.1.1.1 table name The prefix is TBL _. A data table name must consist of words or abbreviations with feature meanings. It can be separated by "_", for example,

Ix. unfoldingThe expansion of the command line is done after splitting the word into words. There are seven types of expansion: curly brace expansion, wavy line expansion, parametric and variable expansion, command substitution, arithmetic expansion,

In fact, when creating an object in the database, the Administrator must also name it. Some experienced database administrators will also be careful when naming them. It must be loud and representative of specific application scenarios. Sometimes

6. Pentiumpro,ii and III assembly line 6.1. Pipeline in PPRO,P2 and P3 The 1995-year-old Pentiumpro is an Intel processor that is equipped to execute in a disorderly sequence. Its micro-architecture design is quite successful. This design has been