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What is so bad about singletons? [closed]
...it to testing since you can end up with a situation where tests need to be ordered which is a big no no for unit tests. Why? Because each unit test should be independent from the other.
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How to compare Lists in Unit Testing
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If you don't care about item order: {A,B,C} == {C,B,A}, then use CollectionAssert.AreEquivalent instead msdn.microsoft.com/en-us/library/ms243779.aspx
– user2023861
Aug 11 '16 at 20:25
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When does System.gc() do something?
...throwing an OOM, the JVM will already have attempted to garbage collect in order to free up memory
– Scrubbie
Oct 6 '15 at 21:22
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Create directory if it does not exist
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What will -Force actually do? The documentation says "Forces this cmdlet to create an item that writes over an existing read-only item". Will it delete an existing folder? It should be clear in this answer.
– Peter Mortensen...
How to get started with Windows 7 gadgets
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Why em instead of px?
...something else like the size of the browser window or the font size.
Like all the other absolute units, px units don't scale according to the width of the browser window. Thus, if your entire page design uses absolute units such as px rather than %, it won't adapt to the width of the browser. This...
Read .mat files in Python
...on’s dict and list objects. Numeric and cell arrays are converted to row-ordered nested lists. Arrays are squeezed to eliminate arrays with only one element. The resulting data structure is composed of simple types that are compatible with the JSON format.
Example: Load a MAT-file into a Python d...
event Action vs event EventHandler
...u use Action<> your event will not follow the design pattern of virtually any other event in the system, which I would consider a drawback.
One upside with the dominating design pattern (apart from the power of sameness) is that you can extend the EventArgs object with new properties without...
Mysql: Select rows from a table that are not in another
How to select all rows in one table that do not appear on another?
8 Answers
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How would you count occurrences of a string (actually a char) within a string?
...nsion methods on the string class. I guess they figured devs wouldn't want all those extension methods to show up on the string class. Probably a wise decision.
– Judah Gabriel Himango
Feb 15 '09 at 23:27
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