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How do I get the file extension of a file in Java?

... 30 Answers 30 Active ...
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What is difference between instantiating an object using new vs. without

... The line: Time t (12, 0, 0); ... allocates a variable of type Time in local scope, generally on the stack, which will be destroyed when its scope ends. By contrast: Time* t = new Time(12, 0, 0); ... allocates a block of memory by calling eit...
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Preview an image before it is uploaded

...: function readURL(input) { if (input.files && input.files[0]) { var reader = new FileReader(); reader.onload = function(e) { $('#blah').attr('src', e.target.result); } reader.readAsDataURL(input.files[0]); // convert to base64 string } } ...
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How to get a complete list of ticker symbols from Yahoo Finance? [closed]

...;IDSearchResult> resp3 = dl2.Download(index); int i = 0; foreach (var item in resp3.Result.Items) { writeStream.WriteLine(item.ID + "|" + item.ISIN + "|" + item.Name + "|" + item.Exchange + "|" + item.Type + "|" + item.Industry...
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MongoDB Many-to-Many Association

...s _id in the roles array instead of the name: {name:"Joe" ,roles:["4b5783300334000000000aa9","5783300334000000000aa943","6c6793300334001000000006"] } and set up the roles like: {_id:"6c6793300334001000000006" ,rolename:"Engineer" } ...
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Is there a way to iterate over a range of integers?

...rite a for loop. Simple, obvious code is the Go way. for i := 1; i <= 10; i++ { fmt.Println(i) } share | improve this answer | follow | ...
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Measuring function execution time in R

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What do the crossed style properties in Google Chrome devtools mean?

... | edited Sep 9 '15 at 20:07 answered Jun 15 '10 at 16:31 ...
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Python - write() versus writelines() and concatenated strings

... 150 writelines expects an iterable of strings write expects a single string. line1 + "\n" + line...
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How to add JTable in JPanel with null layout?

...JPanel shows the layouts explicitly set. @author Andrew Thompson @version 2011-04-12 */ class NestedLayoutExample { public static void main(String[] args) { Runnable r = new Runnable() { public void run() { final JFrame frame = new JFrame("Nested Layout Exa...