connect

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have written a socket in the android NDK and a server in c. It is able to connect to the server fine. However if the server is down or I try to get it to connect to a different random IP the call to connect still returns 0 when it should return -1. Here is the code for the client: #include <stdio.h> #include <jni.h> #include <netdb.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <android/log.h> #include <unistd.h> #define APPNAME "MyApp" #define logcat(...) __android_log_print(ANDROID_LOG_VERBOSE, APPNAME

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am using zeromq to read data from an application which uses msgpack for serializing. The code compiles well but throws an invalid argument error when run. Where am I being wrong. Here is the error: terminate called after throwing an instance of 'zmq::error_t' what(): Invalid argument Abort (core dumped) Here's the code. #include <zmq.hpp> #include <iostream> #include <sstream> #include <msgpack.hpp> #include <string> int main(int argc, char *argv[]){ zmq::context_t context (1); // Open a req port to talk to application std::string addr =

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am trying to make an open SMTP relay using the new aiosmtpd library that replaces smtpd . The program below instantiates a Proxy handler that is passed onto the mail controller, which is started afterwards in the background. A message is then created with a standard smtplib client that connects to the relay. All is good until the SMTP conversation between the client and the relay ends with the message never leaving the relay. The relay never replies with a 250 OK\r\n and a ctrl+c shows that sendmail is waiting for a reply. Any ideas? Is

问题：输入redis-server redis.conf后再输入redis-cli 出现Could not connect to Redis at 127.0.0.1:6379: Connection refused。 原因：原因是redis没有后台启动，被停止了， 解决办法：应修改redis.conf中的 yes, 默认后台启动！ 文章来源: Could not connect to Redis at 127.0.0.1:6379: Connection refused

>>> Creating cluster [ERR] Sorry, can't connect to node 127.0.0.1:6001 解决： 2：redis集群创建时报错：in `call': ERR Slot 15495 is already busy (Redis::CommandError) 文章来源: redis集群报Sorry, can't connect to node错误

语句递归查找父子关系语句 表结构及数据 1.通过根节点遍历子节点 select t.*,LEVEL from Test2 t START WITH t.parentid=0 CONNECT BY PRIOR t.id = t.parentid 2.通过子节点向根节点追溯 select t.*,LEVEL from Test2 t START WITH t.id=‘13‘ CONNECT BY PRIOR t.parentid = t.id 3.查找直接子节点（下一层） select t.*,LEVEL from Test2 t where LEVEL = 2 START WITH t.parentid=0 CONNECT BY PRIOR t.id = t.parentid 4.查找孙节点 select t.*,LEVEL from Test2 t where LEVEL = 3 START WITH t.parentid=0 CONNECT BY PRIOR t.id = t.parentid 5.查找父节点(直接上级) select t.*,LEVEL from Test2 t where LEVEL = 2 START WITH t.id=‘13‘ CONNECT BY PRIOR t.parentid = t.id 原文：https://www.cnblogs.com

解决办法： 文章来源: 使用git 出现 ssh: connect to host github.com port 22: Connection timed out

1. db2 db2stop db2stop force db2stop force db2stop db2stop force 2. db2 db2start 3. db2 create db <db name> db2 create db using codeset GBK territory CN 4. db2 drop db <db name> db2 5. db2 force application all 6. db2 connect to <db name> user <username> using <passWord> 7. db2 connect reset db2 di sco nnect current db2 di sco nnect all 8. db2 backup db <db name> 9. db2 restore db <source db name> 10. db2move <db name> export [-sn < db2admin>] [-tn < >] 11. db2move <db name> import 12. db db2 list db directory 13. db2 “ ” db2cmd 14. db2 db2 get dbm cfg 15. db2 db2 get db cfg for <db name> db2

Ammyy admin 3.9请添加链接描述 Ammyy Admin 3.9 Review Ammyy Admin 3.9 is a highly reliable and very friendly tool for remote computer access. You can provide remote assistance, remote administration or remote teaching for your clients, employees and friends regardless of their location. Ammyy Admin connects remote computers within seconds without any installation or configuration. You can view and/or control (using your keyboard and mouse) any applications running on the remote computers. The user interface is very compact and the available options allow you to connect to a remote computer or allow

1.安装swoole :pecl install swoole,然后修改php.ini 开启swoole扩展：extension=swoole.so 2.写一个服务器Server.php 1 <? php 2 3 class Server { 4 private $serv ; 5 6 public function __construct (){ 7 $this -> serv = new swoole_server ( "0.0.0.0" , 9501 ); 8 $this -> serv -> set ([ 'worker_num' => 8 , 'daemonize' => false ]);　　　　　　　 //注册服务器回调时间 9 $this -> serv -> on ( 'Start' ,[ $this , 'onStart' ]); 10 $this -> serv -> on ( 'Connect' ,[ $this , 'onConnect' ]); 11 $this -> serv -> on ( 'Receive' ,[ $this , 'onReceive' ]); 12 $this -> serv -> on ( 'Close' ,[ $this , 'onClose' ]); 13 $this -> serv -> start (); 14 } 15