Have you thought about instead of re writing from scratch you should start to separate out the GUI and back end layer if it is not already, then you can start to write pieces of it in C#. the 250,000 lines were not written overnight they contains hundreds of thousands of man years of effort, … Read more
Actually, what is called is the implicitly defined operator = for Derived. The definition provided by the compiler in turn calls operator = for the Base and you see the corresponding output. The same is with the constructor and destructor. When you leave it to the compiler to define operator =, it defines it as … Read more
I’d use the null-coalescing operator… (from a in this._addresses where (a.Street ?? “”).Contains(street) || (a.StreetAdditional ?? “”).Contains(streetAdditional) select a).ToList<Address>()
No, it shouldn’t. ToUpper() doesn’t mean WithShiftKeyOnAnInternationalASCIIKeyboard(). There isn’t an uppercase 8, as 8 is a number, not a letter. Of course, this is a gross over-simplification (being a number alone doesn’t automatically make a certain character in a character set caseless), but it’s likely what you’re asking for anyway so I’ll leave it at … Read more
You do any of the following: Use regular expressions. You can use a regular expression with either A negative character class that defines the characters that are what you don’t want (those characters other than decimal digits): private static readonly Regex rxNonDigits = new Regex( @”[^\d]+”); In which case, you can do take either of … Read more
There is a huge difference between the two ways. const bool isReady() The code above will return a const bool, but it does not guarantee that the object will not change its logic state. bool isReady() const This will return a bool, and it guarantees that the logic state of your object will not change. … Read more
value a a a b b b c c c index 0 1 2 3 4 5 6 7 8 bound l u Where l represents the lower bound of b, and u represents the upper bound of b. So if there are range of values that are “equal” with respect to the comparison being … Read more
My solution was : Open the project properties Into General –> SDK Version I just picked the 10.0.15063.0 version instead of 8.1 And it worked.
string dateInString = “01.10.2009”; DateTime startDate = DateTime.Parse(dateInString); DateTime expiryDate = startDate.AddDays(30); if (DateTime.Now > expiryDate) { //… trial expired }
Do you need to use a Regex? return new String(input.Where(Char.IsDigit).ToArray());