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Why Func instead of Predicate?
...now what "predicate" means - otherwise you need to look at object-browser (etc) to find the signatute.
Conversely Func<T,bool> follows a standard pattern; I can immediately tell that this is a function that takes a T and returns a bool - don't need to understand any terminology - just apply ...
mysql - how many columns is too many?
... if there is sensitive information in there such as SSN, credit card info, etc...
– Vandel212
Apr 3 '18 at 18:31
...
When is the init() function run?
...e called(once) first of all. The same for the root package of the library, etc...
There are many times when you may want a code block to be executed without the existence of a main func, directly or not.
If you, as the developer of the imaginary library, import your library's sub-package that has...
Abstract class in Java
...nterface (100%)
Abstract class with constructors, data members, methods, etc
abstract class GraphicObject {
GraphicObject (){
System.out.println("GraphicObject is created");
}
void moveTo(int y, int x) {
System.out.println("Change position according to "+ x+ " and " + y);
}
...
Implementing MVC with Windows Forms
...eams of 10 or 20 developers (just on the UI)
Lots of unit test using mocks etc / no unit tests
Therefore I don’t think it’s possible to create one implementation of MVC (or MVP) that always fits well.
The best posts I have seen really explaining MVC and why an MVC system is built the way it...
How to remove convexity defects in a Sudoku square?
...t: Solving a Sudoku from an input image using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
...
Capture Image from Camera and Display in Activity
...dInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.imageView = (ImageView)this.findViewById(R.id.imageView1);
Button photoButton = (Button) this.findViewById(R.id.button1);
photoButton.setOnClickListener(new View.OnCl...
Wrap a delegate in an IEqualityComparer
...e hashing behind the scenes (e.g., LINQ's GroupBy, Distinct, Except, Join, etc) and the MS contract regarding hashing is broken in this implementation. Here's MS's documentation excerpt: "Implementations are required to ensure that if the Equals method returns true for two objects x and y, then the ...
How to change a module variable from another module?
... (read: the reference which was imported) in Python. But does so in Java, etc. In Python you only need to understand what is imported, while in Java, you also must understand the other module in case, it alters this imported value later on.
– Tino
Nov 12 '17 ...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...hat case, rather than having to remember the significance of Item1, Item2, etc.
Anonymous classes in C# already provide a superb solution to the most common private use of tuples, and they give meaningful names to the items, so they are actually superior in that sense. The only problem is that they...