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What is the difference between “text” and new String(“text”)?

... new String("text"); explicitly creates a new and referentially distinct instance of a String object; String s = "text"; may reuse an instance from the string constant pool if one is available. You very rarely would ever want to use the new String(anotherString) constru...
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Smart way to truncate long strings

... Essentially, you check the length of the given string. If it's longer than a given length n, clip it to length n (substr or slice) and add html entity … (…) to the clipped string. Such a method looks like function tru...
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How do I install Python OpenCV through Conda?

I'm trying to install OpenCV for Python through Anaconda , but I can't seem to figure this out. 41 Answers ...
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How to launch Safari and open URL from iOS app

... But this is not 100%, because if someone use a jailbreaked iOS and use Chrome or something as default browser, then this will open that, not Safari – Laszlo Sep 30 '13 at 12:55 ...
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Converting camel case to underscore case in ruby

...ls so you can't call underscore by default, but by providing the code used and citing rails as the source this answer is a good one for ruby, It says you can include rails, or just include this function that the rails team wrote and have tested. – Michael Gorman ...
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Stateless vs Stateful - I could use some concrete information

...programming. I'm interested because I want to learn more about it, but I really can't find any good articles about it. I've read dozens of articles on the web which vaguely discuss the subject, or they're talking about web servers and sessions - which are also 'bout stateful vs stateless, but I'm in...
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How to use GROUP_CONCAT in a CONCAT in MySQL

...what you need. Update Splitting in two steps. First we get a table having all values(comma separated) against a unique[Name,id]. Then from obtained table we get all names and values as a single value against each unique id See this explained here SQL Fiddle Demo (scroll down as it has two result se...
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Datepicker: How to popup datepicker when click on edittext

... found some examples but i am not getting it properly. I have one edittext and i want that when i click on edittext the datepicker dialog should popup and after setting the date, the date should show in edittext in dd/mm/yyyy format. PLease provide me sample code or good links. ...
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How to copy from CSV file to PostgreSQL table with headers in CSV file?

... @Daniel I understood the user's table already existed and had all the columns they needed and that they wanted to simply ADD data. – G. Cito Jul 28 '14 at 16:16 ...
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Android ViewPager - Show preview of page on left and right

... viewPager.setClipToPadding(false); // set padding manually, the more you set the padding the more you see of prev & next page viewPager.setPadding(40, 0, 40, 0); // sets a margin b/w individual pages to ensure that there is a gap b/w them ...