Programmer Group

Today is the first week of BUG testing. There is a strange problem. DELETE requests to transfer data: NSDictionary *parameters = @{@"objtype":@"course_thread"}; //Send network request (request method is DELETE) [manager DELETE:URLString parameters:parameters success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { ...

In the previous iPhone, we can judge the network status according to the network status view above the navigation bar. (this kind of plan is not very good) This solution is not available on iPhone X phones.   We can judge the network state through the Reachability Reachability github address: https://github.com/tonymillion/Reachability Super si ...

catalog: 1. Using RTThread and TouchGFX to realize DIY digital instrument (1) -- using stm32ubmx5.6 to transplant touchGFX4.132. Using RTThread and TouchGFX to realize DIY digital instrument (2) -- porting TouchGFX to RTThread system3. Using RTThread and TouchGFX to realize DIY digital instrument (3) - obtaining temperature and humidity sens ...

Simple implementation of Linux multi process CS server server side Multi process realizes multi-user connection, i.e. one connection for each user. Here, the server is still used to capitalize the received string and return it to the client. code implementation #include <stdio.h> #include <string.h> #include <netinet/in.h> ...

Preface This article mainly records how to build an MVP architecture. At the same time, it realizes the network request by combining with the mainstream frameworks such as Retrofit,RxJava,Okhttp, which is convenient for later review and rapid development. Project subcontracting Base: put some base classes, such a ...

Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied with an amount s(u) >= 0 of power, may produce an amount 0 <= p(u) <= pmax(u) of power, may consume an amount 0 <= c(u) <= min(s(u),cmax(u)) of power, and may deli ...

This article references This article 1, Create a new file tomcat under / etc/init.d, and add the following content: #!/bin/sh # chkconfig: 345 99 10 # description: Auto-starts tomcat # /etc/init.d/tomcatd # Tomcat auto-start # Source function library. #. /etc/init.d/functions # source networking configuration. #. /etc ...

11. Ke keepalived Highly Available Clusters Chapter (1) Description of keepalived service concept What can keepalived do? The Keepalived software was originally designed for LVS load balancing software. Used to manage and monitor the status of each service node in the LVS cluster system, and later added VRRP capabilities that enable high availa ...

Get ready    prepare three Linux machines that can access each other. Take Centos 7 as an example: node1-192.168.22.117 node2-192.168.22.118 node3-192.168.22.119    turn off the firewalls of these three machines: systemctl disable firewalld.service systemctl stop firewalld.service install    etcd nee ...

v-if and v-show Look directly at the v-if example <h1> v-if and v-show </h1> <div id="vue-app"> <button v-on:click="error=!error">Error</button> <button v-on:click="ok=!ok">Ok</button> <p v-if="error">Network connection error: 404</p> ...