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How to get current relative directory of your Makefile?

I have a several Makefiles in app specific directories like this: 12 Answers 12 ...
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How to avoid null checking in Java?

I use object != null a lot to avoid NullPointerException . 62 Answers 62 ...
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.gitignore exclude folder but include specific subfolder

I have the folder application/ which I add to the .gitignore . Inside the application/ folder is the folder application/language/gr . How can I include this folder? ...
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Fluent and Query Expression — Is there any benefit(s) of one over other?

LINQ is one of the greatest improvements to .NET since generics and it saves me tons of time, and lines of code. However, the fluent syntax seems to come much more natural to me than the query expression syntax. ...
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HuaweiCloud 拓展:App接入华为云(AppGallery Connect)BaaS · App Inventor 2 中文网

...navbar .nav-link .mdi, .navbar .dropdown-item .mdi { margin-right: 6px; opacity: .7; } 创建 Apps 文档 文档首页 内置块参考文档 组件参考文档 拓展参考文档 概念参考文档 IoT 参考文档 技术和其他指南...
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Different bash prompt for different vi editing mode?

When using vi mode (set -o vi) with Bash, it would be nice to have a prompt that depends on the mode you are currently in (insert or command). How does one find out this editing mode? ...
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Regex: ignore case sensitivity

How can I make the following regex ignore case sensitivity? It should match all the correct characters but ignore whether they are lower or uppercase. ...
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How to use MySQLdb with Python and Django in OSX 10.6?

This is a much discussed issue for OSX 10.6 users, but I haven't been able to find a solution that works. Here's my setup: ...
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Why does Python code use len() function instead of a length method?

I know that python has a len() function that is used to determine the size of a string, but I was wondering why it's not a method of the string object. ...
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Using PHP with Socket.io

Is it possible to use Sockets.io on the client side and communicate with a PHP based application on the server? Does PHP even support such a 'long-lived connection' way of writing code? ...