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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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Add spaces before Capital Letters

... line with linq: var val = "ThisIsAStringToTest"; val = string.Concat(val.Select(x => Char.IsUpper(x) ? " " + x : x.ToString())).TrimStart(' '); share | improve this answer | ...
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XAMPP, Apache - Error: Apache shutdown unexpectedly

...- From the XAMPP Control Panel, under Apache, click the Config button, and select the Apache (httpd.conf). Inside the httpd.conf file, somehow I found a line that says: Listen 80 And change the 80 into any number / port you want. In my scenario I’m using port 8080. Listen 8080 Still from th...
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std::string截取字符串,截取ip:port - C/C++ - 清泛网 - 专注C/C++及内核技术

std::string截取字符串,截取ip:portstd::string ip("127.0.0.1:8888");int index = ip.find_last_of(':'); 获取ipip.substr(0, index).c_str(); 获取portip.substr(index + 1).c_str();std::string ip("127.0.0.1:8888"); int index = ip.find_last_of(':'); // 获取ip ip.substr(0, index).c_str();...
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Method Overloading for null argument

... an explicit "null" (yet implicit null type) argument always unambiguously selects a specific overload ?? – peterk Jul 18 '17 at 21:43 add a comment  |  ...
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How to declare variable and use it in the same Oracle SQL script?

...; exec :name := 'SALES' PL/SQL procedure successfully completed. SQL> select * from dept 2 where dname = :name 3 / DEPTNO DNAME LOC ---------- -------------- ------------- 30 SALES CHICAGO SQL> A VAR is particularly useful when we want to call a stored...
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Configure Flask dev server to be visible across the network

...annot access it from other machines on the network (with http://[dev-host-ip]:5000 ). With Rails in dev mode, for example, it works fine. I couldn't find any docs regarding the Flask dev server configuration. Any idea what should be configured to enable this? ...
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How can I split and trim a string into parts all on one line?

... Try List<string> parts = line.Split(';').Select(p => p.Trim()).ToList(); FYI, the Foreach method takes an Action (takes T and returns void) for parameter, and your lambda return a string as string.Trim return a string Foreach extension method is meant to modif...
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Asp Net Web API 2.1 get client IP address

Hello I need get client IP that request some method in web api, I have tried to use this code from here but it always returns server local IP, how to get in correct way ? ...
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Get the client's IP address in socket.io

When using socket.IO in a Node.js server, is there an easy way to get the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a bit of a different beast. ...