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How do you mock out the file system in C# for unit testing?
Are there any libraries or methods to mock out the file system in C# to write unit tests? In my current case I have methods that check whether certain file exists and read the creation date. I may need more than that in future.
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How to check type of files without extensions in python?
...ck file types? I want to check the file type and change the filename accordingly. Let's assume a function filetype(x) returns a file type like png . I want to do this:
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Why is Dictionary preferred over Hashtable in C#?
In most programming languages, dictionaries are preferred over hashtables.
What are the reasons behind that?
19 Answers
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The name 'InitializeComponent' does not exist in the current context
If I create a new project in Visual Studio 2010 SP1 and select "WPF Application" and tries to build the generated application, I get the error
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Difference between session affinity and sticky session?
What is the difference between session affinity and sticky session in context of load balancing servers?
7 Answers
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Return positions of a regex match() in Javascript?
Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?
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Static variable inside of a function in C
What will be printed out? 6 6 or 6 7? And why?
13 Answers
13
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delete a.x vs a.x = undefined
Is there any substantial difference in doing either of these?
9 Answers
9
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Java 8: How do I work with exception throwing methods in streams?
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You need to wrap your method call into another one, where you do not throw checked exceptions. You can still throw anything that is a subclass of RuntimeException.
A normal wrapping idiom is something like:
private void safeFoo(final A a) {
try {
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A weighted version of random.choice
I needed to write a weighted version of random.choice (each element in the list has a different probability for being selected). This is what I came up with:
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