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NPM - How to fix “No readme data”

... Simply adding a README.md file will not fix it, you should write something inside it; at least the project title and a brief description is good for people! But for NPM, one byte may be enough... Doing so should stop showing the warnings. Also, when ...
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Passing references to pointers in C++

As far as I can tell, there's no reason I shouldn't be allowed to pass a reference to a pointer in C++. However, my attempts to do so are failing, and I have no idea why. ...
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wkhtmltopdf: cannot connect to X server

I have been using wkthmltopdf to convert html to pdf documents on-the-fly on my linux web server. The program originally needed X11 or similar X server to run correctly, but through many requests by developers to have this run on servers without GUI, I am pretty sure it runs a virtual X server in...
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What is a good use case for static import of methods?

Just got a review comment that my static import of the method was not a good idea. The static import was of a method from a DA class, which has mostly static methods. So in middle of the business logic I had a da activity that apparently seemed to belong to the current class: ...
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App Inventor 2 中文网原创内容 · App Inventor 2 中文网

...【网络图片】App Inventor 2 如何下载/保存网络图片? 【PDF】App Inventor 2 PDF文档预览 技巧分享 【技巧】App Inventor 2 复制屏幕功能,界面设计更便捷,避免误删组件 【技巧】分享几个App Inventor 2“隐藏”的...
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MySQL “Group By” and “Order By”

I want to be able to select a bunch of rows from a table of e-mails and group them by the from sender. My query looks like this: ...
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No output to console from a WPF application?

I'm using Console.WriteLine() from a very simple WPF test application, but when I execute the application from the command line, I'm seeing nothing being written to the console. Does anyone know what might be going on here? ...
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How to efficiently build a tree from a flat structure?

I have a bunch of objects in a flat structure. These objects have an ID and a ParentID property so they can be arranged in trees. They are in no particular order. Each ParentID property does not necessarily matches with an ID in the structure. Therefore their could be several trees emerging ...
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How to move screen without moving cursor in Vim?

I recently discovered Ctrl + E and Ctrl + Y shortcuts for Vim that respectively move the screen up and down with a one line step, without moving the cursor . ...
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How to do an update + join in PostgreSQL?

...UPDATE [ ONLY ] table [ [ AS ] alias ] SET { column = { expression | DEFAULT } | ( column [, ...] ) = ( { expression | DEFAULT } [, ...] ) } [, ...] [ FROM from_list ] [ WHERE condition | WHERE CURRENT OF cursor_name ] [ RETURNING * | output_expression [ [ AS ] output_name ...