... What if you happen to have more than one for-loop in one scope? You will either have to reuse the index (no var), or you will have to declare lots and lots of new variables (j, k, l, m, …) which you will never use again. – armin ...

...e of their own data and graft it on top of our model, it could usually be done on site by the sales rep. Flexibility also helped when we were designing a new feature, saving us from trying to squeeze new data into a rigid data model. Having a weird database let us build a lot of our other weird tec...

Is it possible in C# to explicitly convert a base class object to one of it's derived classes? Currently thinking I have to create a constructor for my derived classes that accept a base class object as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoi...

If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers? 25 A...

... bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has no effect at all on the total. If the small values come first, they will at ...

... answer. I had a similar issue when I was trying to join two tables with one-to-many relationships. In SQL 2005 I found that XML PATH method can handle the concatenation of the rows very easily. If there is a table called STUDENTS SubjectID StudentName ---------- ------------- 1 ...

...'t get issues as having the same code with the same buildscript working on one computer but not on another one (this is a known issue, we have VMs of Windows 98 machines since we couldn't get some of our Delphi applications compiling anywhere else). Because of this, it is also the best way to work o...

...ing for business logic, I agree that is a thing to be avoided. But this is one of those cases where the convenience and clarity may outweigh the dogma. Besides, if you do anything else with the e-mail address, it's probably going to involve turning it to a MailAddress. Even if you don't use this ex...

...ssible that multiprocessor system has this variable in multiple copies and one thread can see old value even after another thread has changed it to new. Atomic introduces memory barrier, so it becomes impossible. share ...

... all the places where this method is implemented, and you can select which one you want to go to (if there is only one implementation, you go straight there). The same goes for overridden methods. The opposite of this is Ctrl + U (Go to super-method/super-class). If the caret is at the implementati...