• Semantics, writing and best practices of link a


    The semantics, writing and best practices of link aSeeing this topic in JavaEye, the discussion is very interesting. I can’t help but get involved.First of all, link a and button are semantic and cannot be replaced for convenience. A is the abbreviation of anchor. It is an anchor point used for navigation or positioning. Typical […]

  • Java minesweeping games (a look will)


    mine clearance   Minesweeper is a popular puzzle game, which was released in 1992. The goal of the game is to find out all non thunder grids according to the numbers in the click grid in the shortest time, and avoid stepping on thunder. Stepping on one thunder means losing the whole game. Mine clearance […]

  • 30 + program veterans’ Transformation Road


    background Recently, I plan to learn something about data analysis. In the figure below, although there are a lot of advertising elements, there are many techniques. It is said that programmers should have a little product thinking and be sensitive to data. After reading the introduction of some training institutions, there are many knowledge points […]

  • Linux practical skills, teach you to easily deal with 85% of the use of the scene


    In the process of Linux practical operation, you can also find a lot of reference materials on the Internet, but after reading it, you still feel that you don’t know what to say. If you copy and paste from the Internet, it will probably not work. If you are lucky enough to solve a specific […]

  • Common git requirements (under continuous update)


    First inSparrow document I suddenly feel that I am quite familiar with git, because the new No.7 or No.8 student in the team came to ask me git questions, and there is basically no situation that I can’t answer. However, in order to better sort out the knowledge, I’d better record it. (hope to) keep […]

  • HTML self study tour (1) basic elements and attributes exercise (self writing code)


    I study according to the tutorial above w3school. I think the tutorial is very good. There are small exercises in each section. Come on!They all knock their own code. Some books are against writing their own code, but I think it’s good to write it because there’s no foundation. Hehe, I have different opinions..Exercise 1: […]

  • Small programs even develop a diary function need enterprise certification…


    After a dozen days of practice, I can only write a small app for othersI feel that the small program is not as comfortable as the native development such as fluent and RN, nor is it as cool as the H5 hybrid development method (provided that it is not certified by the enterprise). I will […]

  • Video player for Android


    Write it at the front I haven’t written blog for a long time. I’m busy with a lot of miscellaneous things… Work, emotion, future, life Here is the text I’ve always wanted to write a video player, which is easy to practice. This app, written from years ago to now, has finally made its appearance, […]

  • Learning record of mongodb master class (day 22)


    Write it at the front Because I want to design a database to practice, I temporarily decided to skip the operation and maintenance part and directly learn the part about “system architecture” in Chapter 4. Day 22 Today, we are going to learn the Chapter 41 | mongodb application scenarios and selection. Please click here […]

  • CentOS’s Summary and Practical Explanation of quota


    1. Theoretical basis 1.1 Concept of Quota Quota means quota, which is used to limit the space usage of users, groups and folders. 1.2 Use Example – Web Server Controls the Available Space Size of Sites – Mail Server Controls User Available Space Size – File Server Controls User Available Space Size 1.3 Restriction Model […]

  • Consideration of API Design Best Practice


    Ali Mei’s Guide Reading:API is the interface definition of interaction between modules or subsystems. A good system architecture can not be separated from a good API design, and a poorly designed API is bound to lead to the subsequent development and maintenance of the system is very difficult. Next, Alibaba researcher Gu Pu will give […]

  • Mongodb’s Practice 1: Installation


    Mongodb series of tutorials Mongodb’s Practice 1: Installation Mongodb’s Practice II: First Understanding Practice 3 of Mongodb: Mongodb’s Practice IV Practice 5 of Mongodb Practice 6 of Mongodb Practice 7 of Mongodb Practice 8 of Mongodb Preface In fact, Mongodb has been trying to write a tutorial as early as a year ago, because the […]