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How to directly initialize a HashMap (in a literal way)?

...(it creates a new class that inherits from HashMap). Therefore, you should read more here: http://www.c2.com/cgi/wiki?DoubleBraceInitialization , or simply use Guava: Map<String, Integer> left = ImmutableMap.of("a", 1, "b", 2, "c", 3); ...
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How would Git handle a SHA-1 collision on a blob?

...lucky: one of the blobs ends up having the same SHA-1 as another that is already in your repository. Question is, how would Git handle this? Simply fail? Find a way to link the two blobs and check which one is needed according to the context? ...
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What is an SSTable?

...riate block by performing a binary search in the in-memory index, and then reading the appropriate block from disk. Optionally, an SSTable can be completely mapped into memory, which allows us to perform lookups and scans without touching disk." ...
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Using NSPredicate to filter an NSArray based on NSDictionary keys

...= %@)", @"foo"]];' where 'data' is the nsarray of nsdictionaries that is already in your code. (thank you suraken) – tmr Jan 28 '15 at 18:20 ...
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How to get the index of an item in a list in a single step?

... @kai: I think you need to read up on how LINQ works, basically. It's too complicated to explain in detail in a comment. However... this is only iterating over the source collection once. LINQ sets up a pipeline, which lazily transforms the input seque...
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Singleton by Jon Skeet clarification

...its outer class's private members, including the private constructor here. Read my article on beforefieldinit. You may or may not want the no-op static constructor - it depends on what laziness guarantees you need. You should be aware that .NET 4 changes the actual type initialization semantics some...
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How can I echo HTML in PHP?

... run. If you have any more questions feel free to leave a comment. Further reading is available on these things in the PHP documentation. NOTE: PHP short tags <? and ?> are discouraged because they are only available if enabled with short_open_tag php.ini configuration file directive, or if P...
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Regular expression to match numbers with or without commas and decimals in text

...get if you try to be clever with it, and why you should seek alternatives. Read at your own risk. This is a very common task, but all the answers I see here so far will accept inputs that don't match your number format, such as ,111, 9,9,9, or even .,,.. That's simple enough to fix, even if the num...
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What HTTP status response code should I use if the request is missing a required parameter?

...ter if you clarify that the spec is WebDAV in the first line. When I first read your answer I thought you meant the HTTP standard spec until I followed the link. – David V Jul 16 '14 at 13:44 ...
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Guards vs. if-then-else vs. cases in Haskell

...uivalent. That being said, my rule of thumb for styles is that if you can read it as if it was English (read | as "when", | otherwise as "otherwise" and = as "is" or "be"), you're probably doing something right. if..then..else is for when you have one binary condition, or one single decision you n...