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What is the worst gotcha in C# or .NET? [closed]

...return MyVar; } } Blammo. Your app crashes with no stack trace. Happens all the time. (Notice capital MyVar instead of lowercase myVar in the getter.) share | improve this answer | ...
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Restoring Nuget References?

... Try re-installing the packages. In the NuGet Package Manager Console enter the following command: Update-Package -Reinstall -ProjectName Your.Project.Name If you want to re-install packages and restore references for the whole soluti...
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Python unit test with base and sub class

...test class CommonTests(object): def testCommon(self): print 'Calling BaseTest:testCommon' value = 5 self.assertEquals(value, 5) class SubTest1(unittest.TestCase, CommonTests): def testSub1(self): print 'Calling SubTest1:testSub1' sub = 3 sel...
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Why can't I use a list as a dict key in python?

..., with the hash as, say, their memory location? It can be done without really breaking any of the requirements, but it leads to unexpected behavior. Lists are generally treated as if their value was derived from their content's values, for instance when checking (in-)equality. Many would - underst...
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Why is parenthesis in print voluntary in Python 2.7?

... In Python 2.x print is actually a special statement and not a function*. This is also why it can't be used like: lambda x: print x Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between...
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SQL Server Index Naming Conventions [closed]

...ems that the primary key index is named PK_ and non-clustered indexes typically start with IX_. Are there any naming conventions beyond that for unique indexes? ...
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Why does SSL handshake give 'Could not generate DH keypair' exception?

... This works for me too, but I have added a provider dynamically. Reffer my answer here for details. – v.ladynev Nov 22 '15 at 9:19 ...
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What to do Regular expression pattern doesn't match anywhere in string?

... Contrary to all the answers here, for what you're trying to do regex is a perfectly valid solution. This is because you are NOT trying to match balanced tags-- THAT would be impossible with regex! But you are only matching what's in one ...
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Tree data structure in C#

...e so many ways you could implement it that it would be impossible to cover all bases with one solution. The more specific a solution, the less likely it is applicable to any given problem. I even get annoyed with LinkedList - what if I want a circular linked list? The basic structure you'll need ...
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PDO closing connection

... close the connection, you need to destroy the object by ensuring that all remaining references to it are deleted--you do this by assigning NULL to the variable that holds the object. If you don't do this explicitly, PHP will automatically close the connection when your script ends. Note...