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Why to use thread pool 1. Frequent creation and destruction of threads consumes resources and time. In other words, thread pools can save resources and time. 2. Some threads take less time to execute tasks than to create and destroy threads.2. Function of thread pool: Thread pool is a technology of creating threads in advance. B ...

Alibaba P7 mobile Internet architect advanced video (in daily update) for free, please click: https://space.bilibili.com/474380680 Take out full category page practice After investigating the features and implementation principles of Flutter, the take out plan is to launch the full category page of Flutter in grayscale. For the integration mode ...

Binary deployment is relatively simple. You can go to mysql official website without installing dependent environment download MySQL binary package. Or through the link of my network disk download , there are auto deployment scripts in the network disk link. Note: the latest MySQL version 8.0 is completely consistent with the deployment proces ...

In the work, there is often a need to send mail to users, and front-end engineers are needed to make html format mail. However, due to the limited support of mail clients for styles, many principles need to be paid attention to to to in order to be compatible with many kinds of browsers: 1. Use table+css layout for mail 2. The main part of the ...

1. Business requirements Calculate a cell phone number (base station, dwell time), (current longitude, current latitude) by holding the cell phone number's dwell time log and base station information at each base station The log information generated by connecting the mobile phone to the base station is similar to the following: ...

Code in JavaScript is single-threaded, so all network operations and browser events in JavaScript must be executed asynchronously.Before Promise, JavaScript handled asynchronization in a callback function.It can be said that the way callback is already very popular, so what is Promise solving?Look at the following code: $.get('/getList',functio ...

Flannel needs to be deployed in all the master and node s1. Generate certificate for Flannel [root@node-01 ssl]# vim flanneld-csr.json { "CN": "flanneld", "hosts": [], "key": { "algo": "rsa", "size": 2048 }, "names": [ { "C": "CN", "ST": "BeiJing", "L": "BeiJing", "O": "k8s", "OU": "System" ...

Pass: Handwritten digit recognition -- a detailed explanation of the official case of convolutional neural network model (based on Tensorflow,Python) Handwritten digit recognition -- a detailed explanation of the official case of Softmax regression model (based on Tensorflow,Python) After running the programFour documents, again by handImage ju ...

I. networking requirements 1. As shown in the figure, RouterA is directly connected to RouterB through three interfaces. Normally, HostA transmits data to HostB through RouterA's GE0/0/0 interface. In order to improve the reliability of data transmission between HostA and HostB, users hope that when the GE0/0/0 interface fail ...

Blog Outline:I. migration mode of KVM virtual machineII. Static migration of KVM virtual machineIII. dynamic migration of KVM virtual machine I. migration mode of KVM virtual machine KVM virtual machine migration in KVM platform is divided into the following two types: (1) cold migration (static migration) The directory where we store the vi ...