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How do I test if a string is empty in Objective-C?

... Let me know if I'm wrong, but I think you could also omit == 0 part and add a negation in front: ![string length]. Seems more clean. – damirstuhec Aug 31 '14 at 20:29 ...
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Convert a JSON string to object in Java ME?

... JSONParser is now deprecated. – Varda Elentári Jun 21 '17 at 15:34 ...
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What is setup.py?

... I would appreciate if you share your knowledge on how to create or handle this modules? For example, how to create a basic module, or how to test a script on ./mymodule/bin which imports from ./mymodule/libs/ – Paulo Oliveira ...
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Setting default values for columns in JPA

... this be if (createdt != null) createdt = new Date(); or something? Right now, this will override an explicitly specified value, which seems to make it not really be a default. – Max Nanasy Nov 25 '14 at 21:48 ...
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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds

...his happened on only one of my projects and on other two projects did not. Now i hope that Android Studio update didn't mess up something else... – Martin Berger Mar 1 '19 at 14:18 ...
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Python argparse: default value or specified value

...ring as default) and "" (empty string as entered by user). In the code for now I'm using the default and since I need to do some ops, I have something like this self.foo = (args.bar or some_else_source).upper(). It will break on None object AFAIUC. – 0andriy Au...
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How do I check in SQLite whether a table exists?

... query a table that possibly doesn't exist? This is the problem I'm facing now, and the accepted answer works best in this general problem statement. This is a good quick alternative. – Dagrooms Jun 16 '15 at 18:15 ...
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What does the NS prefix mean?

... entered the picture most things in the foundation, even though it wasn't known as the foundation back then, was prefixed NX, for NeXT, and sometime just before Sun entered the picture everything was renamed to NS. The S most likely did not stand for Sun then but after Sun stepped in the general con...
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iOS multiline label in Interface builder

... Ok, I got it now, increased the height, that made it. Thanks! – Samuli Lehtonen Jul 2 '11 at 14:38 ...
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Remove Object from Array using JavaScript

...looping so if you remove an element $.each() will run past the end of the (now shorter) array. (So then someArray[i] will be undefined and undefined.name will crash.) – nnnnnn Jul 2 '13 at 11:09 ...