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What is the default scope of a method in Java?
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Java 8 now allows implementation of methods inside an interface itself with default scope (and static only).
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Shortcut for creating single item list in C#
... to only allocate space for the single item initially.
Of course, if you know you'll be adding a bunch of stuff later it may not be a good idea, but still worth mentioning once.
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Ruby class types and case statements
...seems that the use of === by the case statement is quite a common problem, now that I see this is the problem. This should probably be pointed out more often in tutorials and such (but I bet that many tutorial writers aren't aware of this either).
– Daisy Sophia Hollman
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Is there a way to change the environment variables of another process in Unix?
... On some systems gdb may give the following error: 'putenv' has unknown return type; cast the call to its declared return type; in those cases you should change putenv call to this: call (int) putenv ("env_var_name=env_var_value")
– Emir Uner
Feb 20 '19...
DateTime “null” value
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Following way works as well
myClass.PublishDate = toPublish ? DateTime.Now : (DateTime?)null;
Please note that property PublishDate should be DateTime?
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How to select a node using XPath if sibling node has a specific value?
...n all the child nodes of bb then going to parent node of that bb using .., now that we can access the cc so returning text.
I hope that explanation isn't complex.
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How to lay out Views in RelativeLayout programmatically?
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Hey @Prab, this answer is now 9 years old. If you have some positive feedback on how the answer can be improved for today's needs, please feel free to hit the edit button and suggest it ????
– Tristan Warner-Smith
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How to print instances of a class using print()?
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@kender - I didn't know about it, but in retrospect it makes perfect sense given Python 2.x's broken Unicode handling.
– Chris Lutz
Oct 8 '09 at 5:36
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python: how to identify if a variable is an array or a scalar
... ah, it's a tuple on the right, not a list, got it, thanks and it works now. I regret, I can't upvote 2 times - the best solution so far :)
– Oleg Gryb
Jun 12 '14 at 17:42
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Different return values the first and second time with Moq
...ust uses System.Collections.Generic.Queue and doesn't require any special knowledge of the mocking framework - since I didn't have any when I wrote it! :)
var pageModel = new Mock<IPageModel>();
IPageModel pageModelNull = null;
var pageModels = new Queue<IPageModel>();
pageModels.Enqueu...