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What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?

...mainly OP's question in the comment: In the context of the code above, does it actually DO anything except leave a note for other developers? Does it enforce anything? Are there any tools that utilizes this annotation? What's it's purpose in Android development? You can run a group of tests an...
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Java regex email

... @T04435 The regex in you link does not escape the DOT. What makes the regex functionally wrong and this also has a serious performance impact – TomWolk Jun 2 '16 at 8:57 ...
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boundingRectWithSize for NSAttributedString returning wrong size

... Attention! It does not always work! Sometimes the returned width is larger than the width of the size parameter. Even Apples method documentation states: "The constraints you specify in the size parameter are a guide for the renderer for h...
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Singleton: How should it be used

... don't need protection against this error, because that kind of error just doesn't happen. If it does, the correct response is to go home and sleep for 12-20 hours and hope you feel better. If only one object is needed, simply create one instance. If one object should be globally accessible, make i...
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How to print pandas DataFrame without index

... This is nice, however it does not contain the tab-sep anymore which is than a handicap when copying to excel – Rockbar Oct 5 '17 at 12:30 ...
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How to lose margin/padding in UITextView?

...e changing the height of the text view on the fly, UITextViewFixed usually does all you need. (A common example of changing the height on the fly, is changing it as the user types.) Here is the broken UITextView from Apple... Here is UITextViewFixed: Note that of course you must... ...turn off scr...
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How can I make SQL case sensitive string comparison on MySQL?

...oking for. I would it up higher if I could. A question though, what effect does this have on performance? I'm using it on a limited reporting thing, so it's not important in my case, but I am curious. – adjwilli Aug 25 '12 at 19:13 ...
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Concat all strings inside a List using LINQ

...st<string> items = new List<string>() { "foo", "boo", "john", "doe" }; Console.WriteLine(items.Aggregate((i, j) => i + delimiter + j)); class description: public class Foo { public string Boo { get; set; } } Usage: class Program { static void Main(string[] args) { ...
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What does CultureInfo.InvariantCulture mean?

I have a string of text like so: 5 Answers 5 ...
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What are the big improvements between guava and apache equivalent libraries?

... use Guava, keeping Apache Commons around for the (rare) cases where Guava does not have the needed functionality. Let me attempt to explain why. Guava is more "modern" Apache Commons is a really mature library, but it's also almost 10 years old, and targets Java 1.4. Guava was open sourced in 200...