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How to remove last n characters from every element in the R vector

... the latter notation. See here for more information on regex quantifiers: https://www.regular-expressions.info/refrepeat.html share | improve this answer | follow ...
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How can I get a precise time, for example in milliseconds in Objective-C?

... mach_absolute_time() can be used to get precise measurements. See http://developer.apple.com/qa/qa2004/qa1398.html Also available is CACurrentMediaTime(), which is essentially the same thing but with an easier-to-use interface. (Note: This answer was written in 2009. See Pavel Alexeev's ans...
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Bad class file magic or version

...s/proguard/lib/proguard.jar get the latest progaurd.jar file from here (http://proguard.sourceforge.net) replace the existing android-sdks/tools/proguard/lib/proguard.jar with new .jar file. Hopefully this should help you. If u using java 8 then you should upgrade to proguard 5.x coz proguard 4...
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What is Lazy Loading?

... can implement lazy loading and advantages and disadvantages of the same. http://www.youtube.com/watch?v=2SrfdAkwmFo share | improve this answer | follow | ...
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Change the selected value of a drop-down list with jQuery

...s also useful for showing how to populate a drop down list with JSON data: http://mikesknowledgebase.com/pages/Services/WebServices-Page8.htm share | improve this answer | fo...
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Adding a Method to an Existing Object Instance

...dule new is deprecated since python 2.6 and removed in 3.0, use types see http://docs.python.org/library/new.html In the example below I've deliberately removed return value from patch_me() function. I think that giving return value may make one believe that patch returns a new object, which is no...
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Align inline-block DIVs to top of container element

...1px black solid; background: aliceblue; vertical-align:top; } http://jsfiddle.net/Lighty_46/RHM5L/9/ Or as @f00644 said you could apply float to the child elements as well. share | imp...
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Add Foreign Key to existing table

... check this link. It has helped me with errno 150: http://verysimple.com/2006/10/22/mysql-error-number-1005-cant-create-table-mydbsql-328_45frm-errno-150/ On the top of my head two things come to mind. Is your foreign key index a unique name in the whole database (#3 in th...
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URL encoding in Android

...String query = URLEncoder.encode("apples oranges", "utf-8"); String url = "http://stackoverflow.com/search?q=" + query; Alternatively, you can use Strings.urlEncode(String str) of DroidParts that doesn't throw checked exceptions. Or use something like String uri = Uri.parse("http://...") ...
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What is the difference between sigaction and signal?

...ignals; new applications should use sigaction() rather than signal() http://pubs.opengroup.org/onlinepubs/009695399/functions/signal.html#tag_03_690_07 Whether you're starting from scratch or modifying an old program, sigaction should be the right option. ...