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Java Map equivalent in C#

... You can index Dictionary, you didn't need 'get'. Dictionary<string,string> example = new Dictionary<string,string>(); ... example.Add("hello","world"); ... Console.Writeline(example["hello"]); An efficient way to test/get values is TryGetValue (thanx to Earwicker): if (ot...
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Converting Go struct to JSON

...ain import ( "fmt" "encoding/json" ) type User struct { Name string } func main() { user := &User{Name: "Frank"} b, err := json.Marshal(user) if err != nil { fmt.Println(err) return } fmt.Println(string(b)) } Output: {"Name":"Frank"} ...
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How do I use reflection to call a generic method?

...\ttypeof(T): " + typeof(T)); } } class Program { static void Main(string[] args) { var a = new Alpha(); var b = new Beta(); var service = new Service(); service.Process(a); // Same as "service.Process<Alpha>(a)" service.Process(b); // Same ...
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How do I use InputFilter to limit characters in an EditText in Android?

...haracter shows up in the field. This is because the method gets a SpannableStringBuilder in source parameter with "the-blah" in it and start/end parameters spanning the whole input string... See my answer for a better solution. – Łukasz Sromek Sep 29 '12 at 20...
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Iterate through a HashMap [duplicate]

... The for (Map.Entry<String, Object> cursor : map.entrySet()) {...} syntax is much better. – Chad Okere Jan 28 '12 at 17:29 ...
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How to get the Parent's parent directory in Powershell?

...lping hand here. (get-item $scriptPath ).parent.parent If you Want the string only (get-item $scriptPath ).parent.parent.FullName Version for a file If $scriptPath points to a file then you have to call Directory property on it first, so the call would look like this (get-item $scriptPath)....
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How to get the current loop index when using Iterator?

...and found using a ListIterator worked. Similar to the test above: List<String> list = Arrays.asList("zero", "one", "two"); ListIterator iter = list.listIterator(); while (iter.hasNext()) { System.out.println("index: " + iter.nextIndex() + " value: " + iter.next()); } Make sure you cal...
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Questions every good Java/Java EE Developer should be able to answer? [closed]

...using final qualifier for the method parameter. class Name { private String name; public Name (String s) { this.name = s; } public void setName(String s) { this.name = s; } } private void test (final Name n) { n.setName("test"); } ...
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What exactly is an “open generic type” in .NET? [duplicate]

...e that is not an open type. Therefore T, List<T>, and Dictionary<string,T>, and Dictionary<T,U> are all open types (T and U are type arguments) whereas List<int> and Dictionary<string,int> are closed types. There's a related concept: An unbound generic type is a generi...
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What is an “unwrapped value” in Swift?

... let box = [i:gift] return box } } func getGift() -> String? { return "foobar" } let f00 = wrap(10,gift:getGift()) //Now we have to unwrap f00, unwrap its entry, then force cast it into the type we hope it is, and then repeat this in nested fashion until we get to the fin...