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Copy constructor versus Clone()
...t is the preferred way to add (deep) copy functionality to a class? Should one implement the copy constructor, or rather derive from ICloneable and implement the Clone() method?
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Why should a function have only one exit-point? [closed]
...ent schools of thought, and it largely comes down to personal preference.
One is that it is less confusing if there is only a single exit point - you have a single path through the method and you know where to look for the exit. On the minus side if you use indentation to represent nesting, your co...
Why does a base64 encoded string have an = sign at the end
...a base64 encoded string doesn't always end with a =, it will only end with one or two = if they are required to pad the string out to the proper length.
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get dictionary key by value
...something like this:
var myKey = types.FirstOrDefault(x => x.Value == "one").Key;
If values are unique and are inserted less frequently than read, then create an inverse dictionary where values are keys and keys are values.
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Squash the first two commits in Git? [duplicate]
...lt;commit> you can squash any number of commits together into a single one.
9 Answers
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What is AppDomain? [duplicate]
...pain is you need to use remoting etc.
See MSDN for lots more info. To be honest, it isn't something you need to mess with very often.
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How do servlets work? Instantiation, sessions, shared variables and multithreading
...ue (1 is 1st, 2 is 2nd, etc). If the same value is specified for more than one servlet, then each of those servlets is loaded in the same order as they appear in the web.xml, web-fragment.xml, or @WebServlet classloading. In the event the "load-on-startup" value is absent, the init() method will be ...
What is Normalisation (or Normalization)?
...ed several places in the database, there is the risk that it is updated in one place but not the other, leading to data corruption.
There is a number of normalization levels from 1. normal form through 5. normal form. Each normal form describes how to get rid of some specific problem, usually rela...
How to close tag properly?
Which one(s) of them is correct?
7 Answers
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Shortcuts in Objective-C to concatenate NSStrings
...for extra temp strings.
Second, use an NSArray to concatenate via the componentsJoinedByString method.
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