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What is the right way to check for a null string in Objective-C?
... thing to note is that [title isKindOfClass:[NSNull class]] is pointlessly complex since [NSNull null] is documented to be a singleton so you can just check for pointer equality. See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title ...
What's the main difference between int.Parse() and Convert.ToInt32
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edited Jun 20 at 9:12
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answered Oct 13 '08 at 23:53
Dave MarkleDave Mar...
How to convert a PIL Image into a numpy array?
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How to configure socket connect timeout
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What is the easiest way to ignore a JPA field during persistence?
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@Transient complies with your needs.
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What can , and be used for?
... true or by adding includeViewParams=true request parameter.
<h:link outcome="next" includeViewParams="true">
<!-- Or -->
<h:link outcome="next?includeViewParams=true">
which generates with the above <f:metadata> example basically the following link
<a href="next.xhtml?id...
Is it possible to modify variable in python that is in outer, but not global, scope?
...s heaps :) probably need a different name though because it breaks forward compatibility. In python 3 it is a keyword conflict and will cause a SyntaxError. Perhaps NonLocal ?
– Adam Terrey
Aug 26 '16 at 0:36
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Text-align class for inside a table
...unfortunately. It may simply be a CSS order issue. See this issue [github.com/twitter/bootstrap/issues/6837]. Should be fixed in version 3.0.
– David
Apr 5 '13 at 17:05
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How to write lists inside a markdown table?
...But if you use a library (e.g. marked), you probably have this feature (to combine HTML with markdown).
– Ionică Bizău
Aug 5 '14 at 12:59
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How can I explicitly free memory in Python?
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