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What is the point of Lookup?

... via that key in an efficient manner (rather than just iterating over them all, which is what GroupBy lets you do). For example, you could take a load of .NET types and build a lookup by namespace... then get to all the types in a particular namespace very easily: using System; using System.Collec...
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Is Big O(logn) log base e?

...nary search tree type of data structures, I see the Big O notation is typically noted as O(logn). With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different impli...
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How to link a Facebook app with an existing fan page

...ou will find "App Page". There you will be able to create a new page or if all went well, select your page from a list. I found the info in the little question-mark next to "App page". I hope this helps. share | ...
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What are the rules for the “…” token in the context of variadic templates?

...template parameter pack if it appears on the right side of an expression (call this expression pattern for a moment), or it's a pack argument if it appears on left side of the name: ...thing // pack : appears as template arguments thing... // unpack : appears when consuming the arguments The ru...
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How to break lines at a specific character in Notepad++?

... field, type ],\s* In the Replace with text field, type ],\n Click Replace All share | improve this answer | follow | ...
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How to count number of files in each directory?

I am able to list all the directories by 17 Answers 17 ...
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How do short URLs services work?

... site that is redirected to will see the referrer (the site that you originally come from) as being the site the TinyUrl link is on (i.e., twitter.com, your own site, wherever the link is). This is just as important, so that site owners can see where people are coming from. This too, would not work ...
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Most efficient way to cast List to List

...ot behave the same as arrays in Java. Arrays are covariant; that is, it is allowed to do this: SubClass[] subs = ...; BaseClass[] bases = subs; This is allowed, because the array "knows" the type of its elements. If someone attempts to store something that isn't an instance of SubClass in the arr...
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What's is the difference between include and extend in use case diagram?

... @Blaze - All parts of the login flow, including those steps. – Doug Knesek Jan 21 '15 at 19:09 1 ...
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Confused about Service vs Factory

... All angular services are singletons: Docs (see Services as singletons): https://docs.angularjs.org/guide/services Lastly, it is important to realize that all Angular services are application singletons. This means that t...