Programmer Think

An example of the lottery game is made by PHP. The result of the lottery is achieved by throwing the dice points, which adds some interest to the lottery. We will write down the following html structure code in the html page,. wrap is used to place the color and prompt information, and "print" is used to place the prize. 1 <div ...

NodeMailerNodemailer, a mail sending component of Nodejshttp://blog.fens.me/nodejs-em...Node.js uses NodeMailer to send mailhttp://www.jianshu.com/p/ee20...https://github.com/nodemailer...https://nodemailer.com/about/ In our daily development, we sometimes encounter the need for the system to push e-mail to relevant users (for example: send ac ...

describe Read two time data (data format for example: 2019.01.01, data type is string) from the json file, and calculate the result, and print out the number of days between the two times.   I / O description Input description The JSON file name is datetime.json. The format is as follows: { "day1": "1949.10.01", "day2 ...

brief introduction Hystrix Dashboard is a real-time monitoring tool for hystrix. Through the Hystrix Dashboard, you can directly see the request response time, request success rate and other data of each Hystrix Command. Quick start Engineering description project name port Effect eureka-server 8761 Registry Center service-hi 8762 Servic ...

1. Sticky 1.1 sticking phenomenon Let's start by making a program that executes commands remotely based on tcp (commands ls-l; l l l l l; pwd) When multiple commands are executed at the same time, it is likely that only part of the result will be obtained, and when other commands are executed, another part of the result will be received, which ...

In the work, it is often necessary to find the value of a key in json. If the json level is too deep, it is troublesome to use the dictionary's own get method. Here is a demonstration of the third-party module jmespath extracting json keys and values. pip install jmespath I. Basic operation Query the value corresponding to ...

First, thinking 1. What is tuple? Immutable sequence type List that cannot be modified 2. What operations does tuple support? Tuple is a sequence type, supporting all operations of sequence type Value by index one_tuple = ("Excellent", 17, "male", "coding", "Never Stop Learning!") one_tuple[-1] Slicing operation one_tuple = ("Excellent" ...

Follow me to get the latest knowledge, classic interview questions and technical sharing                                     . Among them: RestTemplate uses HttpMe ...

Sometimes, we forget to add the parameter -- restart=always when creating the container. When the Docker is restarted, the container fails to start automatically, Now what about adding this parameter? There are two methods: 1. Docker command modification docker container update --restart=always container name 2. Directly change the configurat ...

1 Introduction Pickups are an important part of the front-end business and have evolved several times: fetch Compatibility with $.post is good enough to replace all kinds of decimal encapsulations. I've been using it for a long time, and it's good to find a more scalable, ssr-enabled isomorphic number scheme, such as isomorphic-fetch,axios. ...