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Downcasting in Java
Upcasting is allowed in Java, however downcasting gives a compile error.
11 Answers
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Python - Check If Word Is In A String
...rking with Python v2, and I'm trying to find out if you can tell if a word is in a string.
11 Answers
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Git merge master into feature branch
... the feature branch? Easy:
git checkout feature1
git merge master
There is no point in forcing a fast forward merge here, as it cannot be done. You committed both into the feature branch and the master branch. Fast forward is impossible now.
Have a look at GitFlow. It is a branching model for gi...
What are Scala context and view bounds?
In a simple way, what are context and view bounds and what is the difference between them?
1 Answer
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How to simplify a null-safe compareTo() implementation?
I'm implementing compareTo() method for a simple class such as this (to be able to use Collections.sort() and other goodies offered by the Java platform):
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The performance impact of using instanceof in Java
...le I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ?
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Check if user is using IE
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edited Mar 11 '16 at 4:27
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What is the difference between NaN and None?
... strings of numbers and letters. Occasionally there are cases where a cell is empty. In my opinion, the value read to that dictionary entry should be None but instead nan is assigned. Surely None is more descriptive of an empty cell as it has a null value, whereas nan just says that the valu...
Biggest advantage to using ASP.Net MVC vs web forms
... lots of business logic or even data access code in it. So I would say SoC is something that must be provided by the coder, the fw can't help.
– rodbv
Dec 12 '08 at 15:22
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CA2202, how to solve this case
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This compiles without warning:
public static byte[] Encrypt(string data, byte[] key, byte[] iv)
{
MemoryStream memoryStream = null;
DESCryptoServiceProvider cryptograph = null;
CryptoStream cryp...