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为什么大数据也不能帮你摆脱单身狗的命运? - 资讯 - 清泛网 - 专注C/C++及内核技术

...,通过用户的活跃度和发布的朋友圈来做。那么这就得去监控用户行为,后台将这些动作作为依据去迭代模型。 到底约几次才能找到真爱? 这是个有趣问题,老派的约会方式是去本地的PUB,比如你有1%的可能性对方同意要约,...
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Heroku/GoDaddy: send naked domain to www [closed]

...completely free. You just point your A record for the naked domain to that IP address and it will redirect the browser to the www domain. You don't even need an account with them. – P O'Conbhui May 4 '13 at 0:48 ...
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What is the difference between 127.0.0.1 and localhost

...27.0.0.1, then (intelligent) software will just turn that directly into an IP address and use it. Some implementations of gethostbyname will detect the dotted format (and presumably the equivalent IPv6 format) and not do a lookup at all. Otherwise, the name has to be resolved. And there's no guaran...
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known

...I had already: installed and tested ssh on my home network. Set a static IP for my pi. Set up a Dynamic DNS service and installed the software on my pi. I referenced these instructions for setting up the static ip, and there are many more instructional resources out there. Also, I set up port f...
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java.net.ConnectException: Connection refused

... This exception means that there is no service listening on the IP/port you are trying to connect to: You are trying to connect to the wrong IP/Host or port. You have not started your server. Your server is not listening for connections. On Windows servers, the listen backlog queue is f...
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Linux command to translate DomainName to IP [closed]

Is there any Linux command to translate domain name to IP? 2 Answers 2 ...
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std::string的截取字符串的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

std::string的截取字符串的方法例如截取ip:port,代码如下:std::string ip("127.0.0.1:8888");int index = ip.find_last_of(':'); ipip.substr(0, index)....例如截取ip:port,代码如下: std::string ip("127.0.0.1:8888"); int index = ip.find_last_of(':'); //ip ip.substr(0, in...
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Checking network connection

...or as err: return False Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to respond quickly. This fixed IP will not map to google.com forever. So this code is not robust -- it will need constant maintenanc...
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Possible reasons for timeout when trying to access EC2 instance

...he same problem, and the solution ended up being adding my local machine's IP to the list of inbound rules in the active security group. In the inbound dialog below, enter 22 in the port range, your local IP/32 in the source field, and leave 'custom tcp rule' in the dropdown. ...
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What do people find difficult about C pointers? [closed]

...started working with them, the biggest problem I had was the syntax. int* ip; int * ip; int *ip; are all the same. but: int* ip1, ip2; //second one isn't a pointer! int *ip1, *ip2; Why? because the "pointer" part of the declaration belongs to the variable, and not the type. And then derefe...