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How to customize a Spinner in Android

... adapter like as Spinner spinner = (Spinner) findViewById(R.id.spinner1); String[] years = {"1996","1997","1998","1998"}; ArrayAdapter<CharSequence> langAdapter = new ArrayAdapter<CharSequence>(getActivity(), R.layout.spinner_text, years ); langAdapter.setDropDownViewResource(R.layout.s...
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How to check if a file exists in the Documents directory in Swift?

...thForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as String let url = NSURL(fileURLWithPath: path) if let pathComponent = url.appendingPathComponent("nameOfFileHere") { let filePath = pathComponent.path let fileManager = FileManager.default if fi...
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C# switch statement limitations - why?

...t believe the compiler generates constant-time branching when switching on strings either. – Drew Noakes Dec 3 '10 at 21:29 ...
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Python truncate a long string

How does one truncate a string to 75 characters in Python? 17 Answers 17 ...
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Convert String to equivalent Enum value

Is it possible for me to convert a String to an equivalent value in an Enumeration , using Java. 4 Answers ...
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What is the easiest way to remove the first character from a string?

...rate one more suggested answer: require 'benchmark' N = 1_000_000 class String def eat!(how_many = 1) self.replace self[how_many..-1] end def first(how_many = 1) self[0...how_many] end def shift(how_many = 1) shifted = first(how_many) self.replace self[how_many..-1] ...
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What are the true benefits of ExpandoObject?

...le, imagine that you have a dictionary within a dictionary: Dictionary<String, object> dict = new Dictionary<string, object>(); Dictionary<String, object> address = new Dictionary<string,object>(); dict["Address"] = address; address["State"] = "WA"; Console.WriteLine(((Dicti...
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How to convert date to timestamp in PHP?

...:i:s', '22-09-2008 00:00:00'); if ($d === false) { die("Incorrect date string"); } else { echo $d->getTimestamp(); } 1222093324 (This will differ depending on your server time zone...) If you want to specify in which time zone, here EST. (Same as New York.) $d = DateTime::createFrom...
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Python - List of unique dictionaries

...list({str(i):i for i in L}.values()) Here we use str(i) to create a unique string that represents the dictionary which is used to filter the duplicates. – DelboyJay Jul 19 '19 at 14:43 ...
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C# How can I check if a URL exists/is valid?

...nt()) { client.HeadOnly = true; // fine, no content downloaded string s1 = client.DownloadString("http://google.com"); // throws 404 string s2 = client.DownloadString("http://google.com/silly"); } You would try/catch around the DownloadString to check for errors; no error? It e...