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Pass variables to Ruby script via command line

...g = 'Good Bye' end # @runnable Say 'Hello' to you. # @param [String] name Your name # @param [Hash] options options # @option options [Boolean] :second_meet Have you met before? # @option options [String] :prefix Your custom prefix def say_hello(name, options = {}) ...
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iOS: UIButton resize according to text length

... In UIKit, there are additions to the NSString class to get from a given NSString object the size it'll take up when rendered in a certain font. Docs was here. Now it's here under Deprecated. In short, if you go: CGSize stringsize = [myString sizeWithFont:[UIFon...
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?

...res6: Option[List[Int]] = Some(List(1, 2, 3)) scala> Registry.get[List[String]]("a") res7: Option[List[String]] = None When storing an element, we store a "Manifest" of it too. A Manifest is a class whose instances represent Scala types. These objects have more information than JVM does, which ...
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How to scale an Image in ImageView to keep the aspect ratio

... were having this on our image view, where the height included all of this extra whitespace. It isn't "transparent pixels", since we had fill_parent for width, and wrap_content for height. If you don't have adjustViewBounds=true, then you get the extra whitespace. After setting that to true, our iss...
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Drop all tables whose names begin with a certain string

How can I drop all tables whose names begin with a given string? 14 Answers 14 ...
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Python extract pattern matches

...need to capture from regex. search for the pattern, if found, retrieve the string using group(index). Assuming valid checks are performed: >>> p = re.compile("name (.*) is valid") >>> result = p.search(s) >>> result <_sre.SRE_Match object at 0x10555e738> >>>...
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Returning binary file from controller in ASP.NET Web API

...t.Http; // using System.Net.Http.Headers; public HttpResponseMessage Post(string version, string environment, string filetype) { var path = @"C:\Temp\test.exe"; HttpResponseMessage result = new HttpResponseMessage(HttpStatusCode.OK); var stream = new FileStream(path, FileMode.Open, ...
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Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?

...er 2008 (but not in SQL Server 20051): CREATE TABLE MyTable (id int, name char(10)); INSERT INTO MyTable (id, name) VALUES (1, 'Bob'), (2, 'Peter'), (3, 'Joe'); SELECT * FROM MyTable; id | name ---+--------- 1 | Bob 2 | Peter 3 | Joe 1 When the question was answered...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

...test for equality when you want to compare objects of the same nature (two strings, two numbers, ...) and to check for identity only when using sentinel values (None meaning not initialized for a member field for exemple, or when using the getattr or the __getitem__ methods). To summarize, we have ...
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Disable assertions in Python

... $ python -c "assert False" Traceback (most recent call last): File "<string>", line 1, in <module> AssertionError Note that by disable I mean it also does not execute the expression that follows it: $ python -Oc "assert 1/0" $ python -c "assert 1/0" Traceback (most recent call las...