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What is Delegate? [closed]

...eferred to as type safe function pointer. Here I am giving an example with String. The following example shows a delegate operation: namespace MyDelegate { class Program { private delegate void Show(string s); // Create a method for a delegate. ...
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URL to load resources from the classpath in Java

...ndlerFactory implements URLStreamHandlerFactory { private final Map<String, URLStreamHandler> protocolHandlers; public ConfigurableStreamHandlerFactory(String protocol, URLStreamHandler urlHandler) { protocolHandlers = new HashMap<String, URLStreamHandler>(); add...
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Formatting code snippets for blogging on Blogger [closed]

...name="code" class="brush: erlang"><![CDATA[ -module(trim). -export([string_strip_right/1, reverse_tl_reverse/1, bench/0]). bench() -> [nbench(N) || N <- [1,1000,1000000]]. nbench(N) -> {N, bench(["a" || _ <- lists:seq(1,N)])}. bench(String) -> {{string_strip_right, l...
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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign

...others. For the other fields I provided dummy data including, for example, strings of length one. The DAL inferred the schema from that initial record. Records following with strings of length 12 failed. share | ...
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Example of multipart/form-data

...rt/mixed header in a multipart/form-data, simply choosing another boundary string inside multipart/mixed and using that one to incapsulate data. At the end, you must "close" all boundary used in FILO order to close the POST request (like: POST / HTTP/1.1 ... Content-Type: multipart/form-data; bound...
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Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”? [dupl

... do is to cast your list down to an ArrayList. Here's an example: List<String> list = new ArrayList<String>(); ((ArrayList<String>) list).ensureCapacity(19); Ultimately I think tsatiz is correct as once you cast to an ArrayList you're no longer coding to an interface. However, i...
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How to manage startActivityForResult on Android?

...COND_ACTIVITY) { if(resultCode == Activity.RESULT_OK){ String result=data.getStringExtra("result"); } if (resultCode == Activity.RESULT_CANCELED) { //Write your code if there's no result } } }//onActivityResult To implement passing data b...
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What is the best way to insert source code examples into a Microsoft Word document?

... This however does not automatically add style to keywords, numbers, strings etc. – Bart Jan 29 '16 at 12:46 @Ba...
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Last iteration of enhanced for loop in java

...n't use "" + i, by the way - you don't really want concatenation here, and StringBuilder has a perfectly good append(int) overload.) int[] array = {1, 2, 3...}; StringBuilder builder = new StringBuilder(); for (int i : array) { if (builder.length() != 0) { builder.append(","); } ...
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How to set input type date's default value to today?

... day; $('#datePicker').val(today); }); I would probably put a bit of extra time to see if the month and date are single digits and prefix them with the extra zero...but this should give you an idea. EDIT: Added check for the extra zero ...