This is the next question. I found out that, as there are many data types, there will be more chunks, which is the origin of fast sorting. in addition, when there is more data, that is, when there will be duplicates, array [I] = array [J] = array
[C language exploration journey] Part 1 Lesson 5: computing that point, journey Part 1
Introduction
1. Course outline
2. Lesson 5: Computing
3. Lesson 6: conditional expressions
Course outline
Our courses are divided into four parts. Each part
1. JAVA language Overview
Java is simple, object-oriented, secure, interpreted, platform-independent, and Multithreading
Object-Oriented Programming-Java is an object-oriented programming language that fully supports the three basic features of
Every time you want to find an operator with a high priority, you may not find it in many cases. This is really annoying! Now, I personally think it is very comprehensive. I 'd like to share it with you. Thank you!
C language operator priority
1. How do I distinguish "macro name" from "macro string" in macro definition "? What should I pay attention to for macros with parameters?
In macro definition, "macro name" and "macro string" are distinguished by "space. During macro definition
1) forget to add (resulting in "SyntaxError: invalid syntax") at the end of the if, elif, else, for, while, class, and def declaration ")
This error will occur in code similar to the following:
Copy codeThe Code is as follows: if spam = 42
Print
[Switch] 17 common Python runtime errors for beginners, 17 python
Original address: http://www.oschina.net/question/89964_62779? P = 1
When I first learned Python, it may be a bit complicated to understand the meaning of the Python error message.
Class in the preparation process of some notes, notes in the preparation process
When writing classes, we should grasp the details well, not only avoid some obvious errors, but also how to form a good programming style. Next, we will use the
# Define s (a, B) a * B
Area = S (3, 2)
Int S (int A, int B){Int S;S = A * B;Return (s );}What are the differences between the two?
To improveProgramEfficiency, we use define to define a function, so that there will be no overhead for function
First release in 1.1996 (history goes back to 1991, initial name: oak)
2. object-oriented design is a programming technique that focuses on data (object) and object interfaces. Carpenter analogy
3. the main differences between Java and C ++ are
System.Threading.Thread t=null;string message = "I‘m cookie and " + t == null ? "You‘re nicky" : "";
What is the last message? Read carefully!
Give an operator priority table.
Priority
Operator
Name or meaning
Usage
Integration
1. Numeric Operators: + (Plus),-(minus), * (multiplication),/(Division), ** (multiplication party/power), % (remainder );These operators mix integers, floating-point numbers, and real numbers. The calculation results are in the correct numeric
Summary: The value assignment operator and replication initialization are usually used together. Both of them have merged versions. Sometimes you don't need to worry about them.
In addition, private: Class (const Class &) can prevent the user code
This chapter focuses on issues related to preprocessing procedures. Run the Preprocessing Program before compiling the program. Maybe you have never seen this program before, because it usually runs behind the scenes, and programmers cannot see it.
Basic data types supported by php:Integer: IntegerFloat (Double, Double): floating point, indicating all real numbersString: StringBoolean: Boolean, true/falseArray: stores multiple data items of the same type.Object: Object, the instance that saves
Priority
Operator
Name or meaning
Usage
Integration direction
Description
1
[]
Array subscript
Array name [constant expression]
Left to right
()
Parentheses
(Expression)/function name
JS Introduction[Three ways of JS]1. Embedded JS in HTML tags Ha ha 2, the HTML page directly using JS3. Referencing external JS file[Precautions]① page JS code and Reference JS code, you can mosaic to any location of the HTML page. But the different
One.Three ways to use JS1HTML tag Embedded JS11111Use JS directly on the 2.HTML page3 referencing external JS filesPrecautions1 page JS code and Reference JS code can be embedded in the page anywhere, but does not affect the JS code execution
Reproduced in: http://www.jb51.net/article/37282.htmWhenever you want to find which operator priority high, many times always want to find no, really let people angry! Now, finally have a I personally feel very full of, share to everyone, welcome to
Operator PrecedenceOperator precedence in JavaScript is a set of rules. This rule controls the order in which operators execute when evaluating expressions. Operations with higher precedence are performed Mr. Foo the operators of lower precedence.
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