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day5 log Keywords: while, continue, break System functions: Method: ternary operator ternary operator grammar Value 1 if Expression 1 else Value 2 Value 1 if expression else Value 2 (python) == expression? Value 1:Value 2 (2) #Example: if a is greater than 0, the result is 0, otherwise it is 1. a = 100 result = 0 if a > 0 else 1 p ...

If you are Xiaobai, this set of information can help you become a big bull. If you have rich development experience, this set of information can help you break through the bottleneck 2022web full set of video tutorial front-end architecture H5 vue node applet Video + data + code + interview questions. Reading catalog Prototype basis Prot ...

Hive installation, deployment and management Experimental environment Linux Ubuntu 16.04 prerequisite: 1) Java runtime environment deployment completed 2) Hadoop 3.0.0 single point deployment completed 3) MySQL database installation completed The above preconditions are ready for you. Experimental content Under the above preconditions, ...

Fundamentals of knowledge map (Zhihu series blog posts) Starting from an example, this paper expounds the source and structure of the knowledge map. It is worth learning. Reference link: https://zhuanlan.zhihu.com/p/31726910 https://zhuanlan.zhihu.com/p/31864048 https://zhuanlan.zhihu.com/p/32122644 What is the knowledge map Knowledge Gra ...

Initial stage of formwork The initial stage of the template is understood from three aspects: 1. Generic programming 2. Function template 3. Class template Generic Programming If you use function overloading to operate on different data types, there are the following problems: 1. The code reuse rate is low. If a new type appears, you ...

C language learning notes catalogue Chapter I Chapter II Chapter I Review questions: The source code contains the code written by the programmer in any programming language. The object file contains the machine language code An executable program is a completed machine language code Define program objectives-->Design procedu ...

Word splitting (medium) dynamic programming ”Whether leetcode "can be composed and decomposed into - whether" l "is stored in the dictionary and subsequent substrings can be composed when the step size is 1, etc; When the step size is 2, "le" is stored in the dictionary and subsequent substrings can be compose ...

0. Introduction Service Service doesn't have to be used for a long time. Isn't it a long servant? We can use JobIntentService -- temporary servant. It's good to live and die with your App! However, it's easy to start and there's no clue to shut down. Because the service runs in the background, it has nothing to do with the UI. If we use MVVM, ...

Annotation implementation Preparation for annotation development Jar package required for annotation. The annotation function is encapsulated in the AOP package and imported into Spring aop jar <!--open spring Annotation scanning --> <context:component-scan base-package="com.qn.spring"/> spring's annotations on classes incl ...

Catalog 1. jQuery Start 2. Selector 3. Styles 4. DOM Operation 5. Attributes 6. Events 7. Animation effects 1. jQuery Start 1.1 Entry function Also known as preload function <script> // First Writing Method $(document).ready(function(){ // Write your code here... }); // Second Writing $(function(){ // Write your co ...