Useful tips for everyday
What is the difference between composition and inheritance? Inheritance is more of an abstraction that we can only talk about, not touch directly. Though it…
How to reset the ESP8266 ESP-01 for software? Does anyone know how to reset the ESP8266 ESP-01 for software? Constantly to connect the module, it…
Why is my scroll so jumpy? You may have a problem with a system setting or a graphics driver if you experience choppy scrolling on…
Are function pointers bad practice? This is obviously unacceptable; your program would then be completely non-portable. As such, function pointers are absolutely necessary for some…
What is the difference between final and immutability? final means that you can’t change the object’s reference to point to another reference or another object,…
Do you need to normalize data for PCA? Yes, it is necessary to normalize data before performing PCA. The PCA calculates a new projection of…
Why is Filter by color not working? A more obscure reason is that the spreadsheet is in sharing mode. When this is true then for…
How do I create a parent-child relationship in Excel? Follow these steps: Open the Power Pivot window. Click Home > View > Diagram View. In…
How do I unhide multiple objects in blender? Fortunately, you can unhide all hidden objects pretty quickly by pressing Alt+H. How do I unhide a…
How do I paste into confluence without formatting? On Linux ctrl-shift-V is the common shortcut for pasting without formatting (paste special / paste plain). How…