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1.MVVM idea M: model includes data and some basic operations5: Page rendering resultsVM: view model, two-way operation between model and view (without developer intervention) The view and data are bound through VM. Changes in the model will be automatically filled in the view through Directives, and the added content in the view form will als ...

preface Fortran77 expressions and assignments 1, Expression 1. Constant expression Constants are the simplest expressions. There are six constants, corresponding to six data types. constantdata typeInteger1， 0， -100， 32767， +15( ± 2 ...

Notes of the 7th Blue Bridge Cup single chip microcomputer group national competition: After finishing this topic, I have a lot of feelings and some good ideas. I want to share them and consolidate them 1. Get rid of the dependence of flag bit: Good programming I think is to use the most concise and clear program, "the nearest path&qu ...

[CISCN2019 preliminaries] Love Math preface A very interesting code audit with simple logic Knowledge points base_convert() function in_array() function in_ The array (value, array) function searches the array for the specified value. example <?php $people = array("Peter", "Joe", "Glenn", "Cleveland", 23); if (in_array("23", $ ...

summary Tendermint can be simply understood as a modular blockchain development framework, which supports developers to customize their own blockchain without considering the implementation of consensus algorithm and P2P network. Because in Tendermint, the consensus engine and P2P network are encapsulated in the Tendermint Core and interact wi ...

Proficient in CSS Chapter 8 responsive layout learning cases There are three responsive learning cases, one is flex responsive, and the other two will be Proficient in CSS Chapter 7 learning notes (Part 1) and Proficient in CSS Chapter 7 learning notes (Part 2) The two cases done in are transformed into response. Response of flexbox Flexbox ...

Lambda expressions, also known as closures, are the most important new feature that drives the release of Java 8. Lambda allows functions to be used as parameters of a method (functions are passed into the method as parameters). Using Lambda expressions can make the code more concise and compact. grammar The syntax format of lambda expressi ...

1. Cross Sites Script attack Cross site scripting attack XSS). Means that hackers pass“ HTML "Injection" tampered with the web page and inserted malicious scripts (mainly JavaScript Script), which is an attack to control the user's browser when the user browses the web page. After knowing what XSS is, you must want to ...

1, PXE overview In the PXE / server operating environment, the client can download files from the company's operating system and boot them from the network through the PXE / server 2, Advantages of PXE batch deployment 1. Scale: assemble multiple servers at the same time 2. Automation: install the system and configure various services 3. R ...

"Stupid method" learning Python 3 basic articles series "Stupid method" learning Python 3 basic part 1 - printing and input "Stupid method" learning Python 3 basic part 2 - file operation "Stupid method" learning Python 3 basic part 3 - function "Stupid method" learning Python 3 Foundation Part ...