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Git ignore file for Xcode projects
...estions in a Gist I created on Github: http://gist.github.com/137348
Feel free to fork it, and make it better.
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When to use an interface instead of an abstract class and vice versa?
...OK, having just "grokked" this myself - here it is in layman's terms (feel free to correct me if I am wrong) - I know this topic is oooooold, but someone else might stumble across it one day...
Abstract classes allow you to create a blueprint, and allow you to additionally CONSTRUCT (implement) pro...
“open/close” SqlConnection or keep open?
...ount it is necessary to make your connections very short.
Connection pool frees you from connection state checking - just open, use and immediately close them.
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Difference between java.util.Random and java.security.SecureRandom
...uential generators"). If you're lucky and interested, you may still find a free, downloadable version of it on the web. And there's plenty more research that clearly shows that you should never use an LCG for security-critical purposes. This also means that your random numbers are predictable right ...
Proper way to declare custom exceptions in modern Python?
...think I'll argue the point. I'll give this more of a look when I have more free time.
– Aaron Hall♦
Jan 3 '18 at 19:02
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Entity Framework 4 vs NHibernate [closed]
...nt progress, and in fact it is, Hibernate was started in 2001. If you have free time to learn and switch on Nhibernate, do it.
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How to make the 'cut' command treat same sequental delimiters as one?
...o: https://stackoverflow.com/a/24543231/1296044
Source and documentation (free software): http://arielf.github.io/cuts/
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What is 'Currying'?
...al languages like Standard ML or Haskell is that you can get currying "for free". You can define a multi-argument function as you would in any other language, and you automatically get a curried version of it, without having to throw in a bunch of lambdas yourself. So you can produce new functions t...
What is declarative programming? [closed]
...h steps to take and in what order, it can rearrange your program much more freely, maybe even execute some tasks in parallel. A good example is a query planner and query optimizer for a SQL database. Most SQL databases allow you to display the query that they are actually executing vs. the query tha...
Should functions return null or an empty object?
... which isn't as extreme as throwing an exception. It allows beautiful null-free code like if(GetUserById(x,u)) { ... }.
– Marcel Jackwerth
Oct 27 '09 at 3:44
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