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Should a retrieval method return 'null' or throw an exception when it can't produce the return value

... reminds me the find and findOrFail from Laravel Eloquent – javier_domenech May 31 '18 at 12:00 ...
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How to convert a Drawable to a Bitmap?

... where does str_url come from? I couldn't find any Drawable function related to strings... thanks for your help. – Rob Jun 14 '10 at 9:08 ...
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How can I “disable” zoom on a mobile web page?

...vice-width, initial-scale=1.0"> Prevent scaling- and prevent the user from being able to zoom: <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> Removing all zooming, all scaling <meta name="viewport" content="user-scalable=no, ...
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How to create Java gradle project

How to create Java Gradle project from command line? 7 Answers 7 ...
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How to increase font size in a plot in R?

...est or GBM), you need to use cex.names (if you're a human who reads things from an upright position, you might also want las=2) – geneorama Jan 12 '16 at 20:13 add a comment ...
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How do you test to see if a double is equal to NaN?

... (double getting converted to Double by the compiler/runtime); new feature from 1.5 onwards. Little risk going this direction; going from Double to double creates risk of NullPointerExceptions. – M1EK Sep 21 '09 at 21:01 ...
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How to directly initialize a HashMap (in a literal way)?

...e that you understand the above code (it creates a new class that inherits from HashMap). Therefore, you should read more here: http://www.c2.com/cgi/wiki?DoubleBraceInitialization , or simply use Guava: Map<String, Integer> left = ImmutableMap.of("a", 1, "b", 2, "c", 3); ...
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javac is not recognized as an internal or external command, operable program or batch file [closed]

...al major problems with that command: This command erases everything else from PATH and replaces it with the Java path. After executing this command, you might find various other commands not working. Your Java path is probably not C:\Program Files\Java\jdk1.7.0_09\bin – you almost definitely hav...
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How to get a complete list of object's methods and attributes?

...(), look for __class__, and then to go for its __bases__: # code borrowed from the rlcompleter module # tested under Python 2.6 ( sys.version = '2.6.5 (r265:79063, Apr 16 2010, 13:09:56) \n[GCC 4.4.3]' ) # or: from rlcompleter import get_class_members def get_class_members(klass): ret = dir(kl...
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'echo' without newline in a shell script

... echo -e "Some string...\c" It works for me as expected (as I understood from your question). Note that I got this information from the man page. The man page also notes the shell may have its own version of echo, and I am not sure if bash has its own version. ...