explain term variable

The most complex part is the term dictionary and term index files. The suffix of the term dictionary file is Tim, and the suffix of the term index file is tip.   The term dictionary file is first a header and then a postingsheader. The two formats

[C language exploration journey] Part 1 Lesson 4 Chapter 2: Variable Declaration of the world of variables Chapter 2 Introduction 1. Course outline 2. Part 1 Lesson 4 Chapter 2: Variable Declaration of the world of Variables 3. Part 1 Lesson 4

Do you know the value of alert following JavaScript execution? var foo = 1; function Bar () { if (!foo) { var foo =; alert (foo); } Bar (); If you're surprised by the result of "10," you might want to take a good look at this article: var a =

OOP and the like and object 1. Introduction of this pointerEach member function has an additional implicit formal parameter, which is the this pointer, which points to the address of the calling object. By default, the type of this is a constant

Java code optimization (long-term updates) and java code optimization updates Preface Code optimization is a very important topic. Some people may think it is useless. In some small places, what are the effects of modifying or not modifying the code

Understanding of the Bash environment variable Parsing Vulnerability 1. What are environment variables?Both Windows and Linux programs support environment variables. Generally, environment variables are stored at the beginning of the process memory

Pipe character|: Pipe break is the delivery of the contents of the previous file's output to the following command[[email protected] ~]# ls |wc-l21stSee how many files are in the current directory[email protected] ~]# cat 1.txt |wc-l1View the number

• Shell programming: Shell Variables1_1 system variableLimit 2 Shell user Variables■ 2.1 Basics■ 2.2 tips■ Array in 2.3 shellEnvironment Variable 3 shellLet's take a look at Shell variables instead of Shell versions. There are three variables in

• Simple shell programming: Shell variables◦1 System Variables◦2 Shell User Variable2.1 Foundation2.2 Use TipsAn array in the 2.3 shell◦3 Shell Environment variablesInstead of the shell version, look at the shell variable, there are three kinds of

1 term environment variable not set.Docker Exec-it/bin/bash goes in to execute clear,top, and the command appears environment variable not set.That is, the environment variable is not set, the source/root/.bash_profile does not make it necessary to