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Multi-Line Comments in Ruby?

.....is kinda ugly and creates a String instance, but I know one guy with a Smalltalk background, who does this." puts "Hello world!" ## # most # people # do # this __END__ But all forgot there is another option. Only at the end of a file, of course. This is how it looks (via screenshot) - othe...
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How do I use arrays in C++?

C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, ...
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Start ssh-agent on login

...a remote Git repo pulling from Bitbucket.com using an SSH alias. I can manually start the ssh-agent on my server but I have to do this every time I login via SSH. ...
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ntoa(serverAddr.sin_addr), ntohs(serverAddr.sin_port)); m_allmsg.SetSel(32767,32767); m_allmsg.ReplaceSel(msg); if(connect(sock, (struct sockaddr*)&serverAddr, sizeof(serverAddr))==SOCKET_ERROR){ int err = WSAGetLastError(); if(err==WSAEWOULDBLOCK){ msg.Format("Waiting....../n"...
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How can I create an error 404 in PHP?

My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages. ...
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How to use “raise” keyword in Python [duplicate]

... 329 It has 2 purposes. yentup has given the first one. It's used for raising your own errors....
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Toggle Checkboxes on/off

... You can write: $(document).ready(function() { $("#select-all-teammembers").click(function() { var checkBoxes = $("input[name=recipients\\[\\]]"); checkBoxes.prop("checked", !checkBoxes.prop("checked")); }); }); Before jQuery 1.6, when we only ...
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How to change current working directory using a batch file

...st like the commands themselves (CD = cd). I believe that is also true for all external Windows command-line utilities (like FINDSTR, SORT etc.) Third-party tools, on the other hand, can use case-sensitive parameters. – Andriy M Feb 28 '17 at 13:36 ...
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Remove all the children DOM elements in div

...by references from other JS objects. For example: a gfx surface references all its children, a group references all its children too, and so on. Deleting just DOM nodes is not enough. – Eugene Lazutkin Jul 2 '13 at 22:16 ...
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Including all the jars in a directory within the Java classpath

Is there a way to include all the jar files within a directory in the classpath? 25 Answers ...