xcode: 解决 __nw_connection_get_connected_socket_block_invoke 1 Connection has no connected handler

mysql进阶(二十五)解决数据库NO CONNECTION问题

解决数据库NO CONNECTION问题前言数据库版本类型:Mysql5.5 在应用程序连接数据库时,提示数据库连接失败.打开数据库查看,显示如下. 究其原因,是因为mysql服务出现了问题,重启mysql服务,数据库成功连接. 参考文献 1.http://jingyan.baidu.com/album/0a52e3f4158211bf62ed72e6.html?picindex=1 美文美图…

BUG:upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected

更换Apache扑向Nginx,刚搭建完WNMP,nginx能访问php页面但是访问现有开发项目报错 [error] 4112#3724: *9 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because con…

Redis配置主从时报错“Could not connect to Redis at 192.168.0.50:6379: Connection refused not connected>”

配置Redis主从时,修改完从节点配置文件,然后报错 [root@Rich七哥-0-50 redis]# /opt/redis/redis-cli -h 192.168.0.50 Could not connect to Redis at 192.168.0.50:6379: Connection refused not connected> quit 这是因为需要重新加载配置文件执行 redis-server /etc/redis.conf 1430:C 30 Oct 2019 09:46:…

__nw_connection_get_connected_socket_block_invoke Connection has no connected handle 解决办法

1. Xcode menu -> Product -> Edit Scheme... 2. Environment Variables -> Add -> Name: "OS_ACTIVITY_MODE", Value:"disable" 3. Run your app again, done! 转.…

iOS Xcode, 解决“Could not insert new outlet connection: Could not find any information for the class named”的问题。

在Xcode中,我们可以在StoryBoard编辑界面或者是xib编辑界面中通过“Control键+拖拽“的方式将某个界面元素和对应的代码文件连接起来,在代码文件中创建outlet. 不过,如果你的运气不太好,执行以上操作的过程中你可能会遇到下面这样的错误: Could not insert new outlet connection: Could not find any information for the class named "xxx". 其中的“xxx”就是你的目标代码文…

iOS Xcode, 解决“Could not insert new outlet connection”的问题。

在Xcode中,我们能够在StoryBoard编辑界面或者是xib编辑界面中通过"Control键+拖拽"的方式将某个界面元素和相应的代码文件连接起来,在代码文件里创建outlet. 只是.假设你的运气不太好,运行以上操作的过程中你可能会遇到以下这种错误: Could not insert new outlet connection: Could not find any information for the class named "xxx". 当中的"…

快速解决mysql Lost connection to MySQL server at 'reading initial communication packet及can't connect to mysql server on 'localhost'

今天在使用Navicat连一个远程mysql时,总是提示连接不成功,提示Lost connection to MySQL server at 'reading initial communication packet 但mysql服务已经启动百度查之,终于找到解决方法如下: 修改hosts.allow vi /etc/hosts.allow #加mysqld : ALL : ALLOW mysqld-max : ALL :ALLOW 再次连接,但又提示can't connect to mysq…

解决Redis/Codis Connection with master lost(复制超时)问题

今天在线上环境中遇到了codis-server报警,按照常规处理流程进行处理,报错步骤如下: 首先将codis-slave的rdb文件移除,并重启codis-slave 在codis-dashbord中将codis-slave移除问题codis group 将codis-slave重新加入codis group,并测试在codis-master中写入数据,查看codis-slave中能否正常读取数据没想到在新加入codis group同步数据时发生以下报错: [13029] 15 Oct 13…

解决ssh_exchange_identification:read connection reset by peer 原因

服务器改了密码,试过密码多次后出现: ssh_exchange_identification: read: Connection reset by peer 可以通过ssh -v查看连接时详情 OpenSSH_6.6.1, OpenSSL 1.0.1k-fips 8 Jan 2015 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 56: Applying option…

Xcode 解决日志打印不全问题

Xcode 出了8.0后,代码运行日志过长时会出现打印不全的问题. 这可能是Xcode优化的一项,不过这也给开发带来的不必要的麻烦.下面的宏定义可以解决这一问题. #ifdef DEBUG #define NSLog( s, ... ) printf("class: <%p %s:(%d) > method: %s \n%s\n", self, [[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF…

解决Establishing SSL connection without server‘s identity verification is not recommended.

每次从数据库中进行查询或者其他操作控制台都会出现以下警告,虽说不是error,但是很显眼.. WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if e…

Xcode解决代码高亮、语法提示、错误警告等功能失效的解决方法

在编写xcode的项目的时候出现过代码不高亮的症状,而且所有的warning都不再提示,include的内容也显示symbol not found,非常奇怪,解决方案如下: 方法一: 1.把.pch里的内容全部注释掉 2.clean掉项目里的内容 3.把.pch里的注释去掉,编译. 4.代码高亮,语法提示功能都回来了. 方法二: 1.关闭项目 2.选择Window->Organizer->Projects 3.选择失效的那一个工程,右健,Remove from Organizer 4.打开工程…

关于解决Tomcat服务器Connection reset by peer 导致的宕机

org.apache.catalina.connector.ClientAbortException: java.io.IOException: Connection reset by peer at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:407) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:4…

Ganglia 入门介绍及解决fsockopen error: Connection refused问题

一,问题描述 Ganglia的各个组件安装情况(不是我装的,只知道这些信息): 集群一共有4台机器,分别是192.168.121.34-37.Gmetad.Gweb和httpd 安装在 192.168.121.34 上:Gmond安装在34,35,36,37机器上. 访问Ganglia-web主页:http://192.168.121.34/ganglia-web/ 出现如下错误: There was an error collecting ganglia data (127.0.0.1:865…

解决：Adb connection Error:远程主机强迫关闭了一个现有的连接

最近刚入手了一台G12,用它来调试程序的时候,eclipse的console总是出现如下的错误“Adb connection Error:远程主机强迫关闭了一个现有的连接” 问题出现的原因:这是ddms调用adb引发的. 经过一番搜索, 发现这是windows环境下, adb的一个限制, 也可以说是bug. 当手机上同时运行的进程数大于64时, 就会引发adb奔溃. 更深层次的原因, 就是windows API的WaitForMultipleObjects所支持的最大句柄数是MAXIMUM_W…

解决Download interrupted: Connection to https://dl-ssl.google.com refused的问题

运行->drivers->etc->hosts 加入一行 74.125.237.1 dl-ssl.google.com ok! =================上述方法已经失效, 残忍的zf====================== 通过这个可以获得代理里面有很多..有有用的, 又没用的自己试====http://www.cnproxy.com/proxy1.html===话说这个也是需要FQ的.....oh, no死循环......下个"free door"(中…

Xcode解决“Implicit declaration of function 'XXX' is invalid in C99” 警告或报错

1.Build Setting>>>C Language Dialect,然后选择GNU99[-std=gnu99] (选择看项目实际要求). 2.Build Setting>>>Architectures>>>Vaild Architectures,然后把arm64和armv7s去掉. 3.Build Setting>>>Architectures>>>Build Active Architecture Only,…

Failed to Attach to Process ID Xcode 解决办法

方法1. go to the Product menu and find the Edit Scheme menu there. While in Edit Scheme window, select the "Run" option on the left hand side of the screen and then on the right hand side, change the debugger from LLDB to GDB. 方法2. Step1: ping $ p…

VScode 1.13 gocode提示dial tcp 216.239.37.1:443: connectex: A connection attempt failed because the connected..

在将VScode升级至 1.13后让升级gocode,在升级时报出如下错误 D:\go_work\src>go get -u -v github.com/mdempsky/gocode github.com/mdempsky/gocode (download) Fetching https://golang.org/x/tools/go/gcexportdata?go-get=1 https fetch failed: Get https://golang.org/x/tools/go/gcex…

vs code解决golang开发环境问题 dial tcp 216.239.37.1:443: connectex: A connection attempt failed

安装插件是出现如下错误提示, https fetch failed: Get https://golang.org/x/tools/cmd/gorename?go-get=1: dial tcp 216.239.37.1:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established co…

python下载时报错 Errno 10060] A connection attempt failed because the connected party did not properly respond after a period of time

def downloadXml(isExists,filedir,filename): if not isExists: os.mkdir(filedir) local = os.path.join(filedir,filename) urllib2.urlopen(url,local) 报错: Traceback (most recent call last): File "C:\Users\william\Desktop\nova xml\New folder\download_xml.py…

upstream timed out (10060: A connection attempt failed because the connected party did not properly respond

openresty 错误日志报错内容: // :: [error] #: * upstream timed : A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while conn…

go get golang.org/x 包失败解决方法

由于墙的原因,国内使用 go get安装golang 官方包可能会失败解决方法方法1 [不需要FQ] Win10下相关配置: GOPATH : E:\go 安装记录: E:\>go get -u -v golang.org/x/crypto/... Fetching https://golang.org/x/crypto?go-get=1 https fetch failed: Get https://golang.org/x/crypto?go-get=1: dial tcp 216.23…

nodejs 通过nginx后出现响应慢的解决方法

最近用了nodejs搭建服务器,然后用了nginx做了反向代理,项目开发需求,没办法.但是发现了经过代理之后发现网页请求变慢了,而且是不能忍的一分钟以上. 一开始,怀疑是在nodejs那边的问题,结果在nodejs那边进行了判断(通过写测试代码),但是发现是经过了一分多钟请求才到nodejs这边,那么只能先排除nodejs这方面的问题. 那么要排除nginx的问题,我的环境是 windows7(x64) nginx(1.62) nodejs(4.23),配置如下 server { listen…

redis报错解决

1.Connecting to node 127.0.0.17000 [ERR] Sorry, can't connect to node 192.168.1.917000 redis集群:Connecting to node 127.0.0.1:7000: [ERR] Sorry, can't connect to node 192.168.1.91:70002016年12月17日 01:29:53阅读数:6168Connecting to node 127.0.0.1:7000: [ERR]…