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How can I add to List

... you can't. The wildcard declaration of List<? extends Number> foo3 means that the variable foo3 can hold any value from a family of types (rather than any value of a specific type). It means that any of these are legal assignments: List<? extends Number> foo3 = new ArrayList<Number...
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Background color not showing in print preview

...ave given a table a background color. When I view the print preview in chrome its not taking on the background color property... ...
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How do I look inside a Python object?

...ting to code in various projects using Python (including Django web development and Panda3D game development). 22 Answers ...
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How to get request URI without context path?

The Method request.getRequestURI() returns URI with context path. 7 Answers 7 ...
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What Makes a Good Unit Test? [closed]

... you are writing lots of automated tests and that you also have run into some common pitfalls when unit testing. 18 Answer...
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In Python, how do I iterate over a dictionary in sorted key order?

... This is not obvious. In fact, items() creates a list and therefore uses memory, whereas iteritems() essentially does not use memory. What to use mostly depend on the size of the dictionary. Furthermore, the automatic Python 2 to Python 3 conversion tool (2to3) automatically takes care of the conv...
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How can I match a string with a regex in Bash?

...r.bz2 ]] && echo matched If portability is not a concern, I recommend using [[ instead of [ or test as it is safer and more powerful. See What is the difference between test, [ and [[ ? for details. share ...
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How to convert a string from uppercase to lowercase in Bash? [duplicate]

... Thanks for your immediate response. When i tried the above it says ${y,,}--bad substitution. Any how i tried another approach of y="HI" val = $( tr '[A-Z]' '[a-z]' <<< $y) and this worked for me.Thanks once again ...
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What exactly is Spring Framework for? [closed]

...bout Spring , people are saying all over the web that Spring is a good framework for web development. What exactly is Spring Framework for? ...
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How do I mount a remote Linux folder in Windows through SSH? [closed]

... Back in 2002, Novell developed some software called NetDrive that can map a WebDAV, FTP, SFTP, etc. share to a windows drive letter. It is now abandonware, so it's no longer maintained (and not available on the Novell website), but it's free to use. I found ...