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Easiest way to check for an index or a key in an array?

...) return 1 ;; esac"; } $ getIfExist array key1 red $ echo $? 0 $ # now with an empty defined value $ array["key4"]="" $ getIfExist array key4 $ echo $? 0 $ getIfExist array key5 $ echo $? 1 share | ...
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How do I add a simple onClick event handler to a canvas element?

...hat would represent your canvas elements and be positioned the same way. Now you can attach event listeners to these divs and run the necessary actions. share | improve this answer | ...
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How can I make a horizontal ListView in Android? [duplicate]

...w. You can find it here: http://dev-smart.com/horizontal-listview/ Let me know if this helps. share | improve this answer | follow | ...
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M_PI works with math.h but not with cmath in Visual Studio

...is specifically designed so that you can include it again with that define now changed to add M_PI etc. This is NOT the case with cmath. So you need to make sure you #define _USE_MATH_DEFINES before you include anything else. Hope that clears it up for you :) Failing that just include math.h you a...
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insert multiple rows via a php array into mysql

... Multiple insert/ batch insert is now supported by codeigniter. I had same problem. Though it is very late for answering question, it will help somebody. That's why answering this question. $data = array( array( 'title' => 'My title' , 'nam...
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UnicodeEncodeError: 'latin-1' codec can't encode character

...Code page 1252 is often confused with ISO-8859-1, and it's an annoying but now-standard web browser behaviour that if you serve your pages as ISO-8859-1, the browser will treat them as cp1252 instead. However, they really are two distinct encodings: >>> u'He said \u201CHello\u201D'.encode(...
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How can I use xargs to copy files that have spaces and quotes in their names?

... find . -print0 | grep --null 'FooBar' | xargs -0 ... I don't know about whether grep supports --null, nor whether xargs supports -0, on Leopard, but on GNU it's all good. share | improv...
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How to print out all the elements of a List in Java?

... It's just an assumption, since I don't know what kind of Object inside the list. – Crazenezz Nov 17 '17 at 9:43 add a comment ...
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Build Maven Project Without Running Unit Tests

... mvn clean install -Dskiptests=true Now, the only difference from the answers above is that the "T" is in lower case. share | improve this answer | ...
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CSS table-cell equal width

... Thanks, this seems like the answer. I don't know why but if I set the width to 2% it actually scrunges up each column into 2%. But 100% seems to work great. Any idea what's going on there? – Harry May 10 '12 at 2:07 ...