Programming VIP

prefaceMongoDB is a non relational database written in C + + language. It is an open source database system based on distributed file storage. Its content storage form is similar to JSON object. Its field value can contain other documents, arrays and document arrays, which is very flexible. In this section, let's take a look at the storage oper ...

Click on "end of life", pay attention to the official account. Daily technical dry goods, delivered at the first time!     Redis pre inventory reduction   The main idea is to reduce the access to the database, reduce the inventory before, directly access the database and read the inventory. When high concurrent requests come, a large ...

morning Playing the game is basically crazy. myd violence AT1, wj two points + greed (misinterpretation) AT3, I pushed T2 formula for 2h, then hit the wrong ± sign and% less at the same time, and successfully exploded to 57.5 wjRank2 235，mydRank10 165 I'm dead noon Play a game of chess with myd and wj and lose decisively (I should pl ...

2021 is over. This year, Python language made another strong attack and finally won the title of language of the year. C language also successfully surpassed java to become the second place. Java declined slightly, but it still kept the top three Here's a trend chart of TIOBE website, Zhenlou! Next, let's look at these languages we love and h ...

Click on "end of life", pay attention to the official account. Daily technical dry goods, delivered at the first time!     1,SpringBoot Dedevtools   It is a tool for spring boot to support hot deployment. The following is the referenced method   Or check the following configuration directly when creating the project:     Either add t ...

preface 🚀 Author: "programmer pear" 🚀 ** Article introduction * *: This article mainly explains how to use Python to find out those people who block me in QQ space, and put them in The whole process of pulling black. 🚀 ** Article source code acquisition * *: in order to thank everyone for paying attention to my little cu ...

Introduction: Hello, iron juice ~ I brushed such a short video on the subway today. I wonder if I can write a similar class roll call program. The idea can't stand waiting. Just write it~ 1, Preparatory work 1.Tkinter Tkinter is Python's built-in TK GUI tool set. TK is the native GUI Library of Tcl language. As a graphic design tool of ...

What is the difference between WebView and native?Baidu APP pictures are cited here to illustrate.Baidu developers divided the whole process into four stages and counted the average time-consuming of each stage.It can be seen that it took 260 ms to initialize the component, and the average time for the first creation was 500 ms. there is no dou ...

catalogue Preliminary study on Framework Python Robot Framework Demo Unittest Demo Nose2 Demo Pytest Demo1 Demo2 Frame selection Python Robot Framework Unittest Nose2 Pytest summary Python​ Python's unique advantages have created a series of test frameworks. In front of these test frameworks, which is better or ...

Python list 1. What is a list ① What does a list look like: a list is a container data type (sequence); Take [] as the flag of the container, in which multiple elements are separated by commas: [element 1, element 2, element 3,...] ② Characteristics of list: the list is variable (the number, value and order of elements are variable) - add, de ...