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Why seal a class?
... What if an implementation change you have no control over in the base class breaks you? Whose fault is that? Inheritance introduces fragility, basically. Favouring composition over inheritance promotes robustness, IMO.
– Jon Skeet
Nov 6 '08 at 11:05
...
What are the best practices for structuring a large Meteor app with many HTML template files? [close
...nd .js file for each page type together in one directory. I also have a "base" module, which contains common .css and .js code and the master template, which uses {{renderPage}} to render one of the other modules depending on the router.
my_app/
lib/
router.js
client/
base...
Best programming based games [closed]
...ave a lot of fun coding my own robot with Robocode in college.
It is Java based, the API is detailled and it's pretty easy to get a challenging robot up and running.
Here is an example :
public class MyFirstRobot extends Robot {
public void run() {
while (true) {
ahea...
How do arrays in C# partially implement IList?
...ontrary to the answer from Hans, the array types (single-dimensional, zero-based anyway) do implement the generic collections directly, because the type of any specific array isn't System.Array - that's just the base type of the array. If you ask an array type what interfaces it supports, it include...
How to hash a password
... salt+hash into a string for storage
string savedPasswordHash = Convert.ToBase64String(hashBytes);
DBContext.AddUser(new User { ..., Password = savedPasswordHash });
STEP 5 Verify the user-entered password against a stored password
/* Fetch the stored value */
string savedPasswordHash = DBContex...
How do I sort a vector of pairs based on the second element of the pair?
...r... He said: "is there and easy way to sort the list in increasing order based on the second element of the pair?"
– Evan Teran
Dec 5 '14 at 18:42
...
Co-variant array conversion from x to y may cause run-time exception
... reference an array of objects (in your case, LinkLabels) as an array of a base type (in this case, as an array of Controls). It is also compile time legal to assign another object that is a Control to the array. The problem is that the array is not actually an array of Controls. At runtime, it is s...
JavaScript click event listener on class
...ass in a selector for a child element that the event is listening on.
var base = document.querySelector('#base'); // the container for the variable content
var selector = '.card'; // any css selector for children
base.addEventListener('click', function(event) {
// find the closest parent of the ...
SASS - use variables across multiple files
...her scss files like this:
// Utilities
@import "utilities/variables";
// Base Rules
@import "base/normalize";
@import "base/global";
then, within any of the files I have imported, I should be able to access the variables I have declared.
Just make sure you import the variable file before any of...
Why does Decimal.Divide(int, int) work, but not (int / int)?
...tems, it is often a requirement that we can guarantee a certain number of (base-10) decimal places accuracy. This is generally impossible if the input/source data is in base-10 but we perform the arithmetic in base-2 (because the number of decimal places required for the decimal expansion of a numbe...