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Can “this” ever be null in Java?
...thod is called right after the variable is being null-ified from another thread. The actual call goes through even if the variable is null, and it crashes when it tries to read an instance member :)
– Adrian Crețu
Sep 6 '16 at 15:08
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What is the Python equivalent of static variables inside a function?
...e searching for possibility to create static function variables, so this thread is still "alive" :)
– binaryLV
Aug 9 '12 at 6:30
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Add params to given URL in Python
Suppose I was given a URL.
It might already have GET parameters (e.g. http://example.com/search?q=question ) or it might not (e.g. http://example.com/ ).
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Is it possible to determine whether ViewController is presented as Modal?
...ngViewController
The view controller that presented this view controller. (read-only)
@property(nonatomic, readonly) UIViewController *presentingViewController
Discussion
If the view controller that received this message is presented by another view controller, this property holds the view contr...
How do I search an SQL Server database for a string?
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It's a great must-have tool for any DBA or database developer - did I already mention it's absolutely free to use for any kind of use??
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follo...
When does System.gc() do something?
...m.gc() via the java argument -XX:+DisableExplicitGC.
I'd highly recommend reading through the documents available at Java HotSpot Garbage Collection for more in depth details about garbage collection.
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What is the difference between . (dot) and $ (dollar sign)?
...anything that comes before.
For example, let's say you've got a line that reads:
putStrLn (show (1 + 1))
If you want to get rid of those parentheses, any of the following lines would also do the same thing:
putStrLn (show $ 1 + 1)
putStrLn $ show (1 + 1)
putStrLn $ show $ 1 + 1
The primary pu...
Import package.* vs import package.SpecificType [duplicate]
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I was going to post a link to your article (which I read yesterday), but I thought you'd probably like to do it yourself. :)
– Michael Myers♦
Oct 9 '08 at 18:52
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C# 4.0 optional out/ref arguments
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As already mentioned, this is simply not allowed and I think it makes a very good sense.
However, to add some more details, here is a quote from the C# 4.0 Specification, section 21.1:
Formal parameters of constructors, method...
How to print to console when using Qt
...bug() etc actually do, this will be by far the superior answer (IMO it's already superior since OP is asking for something to replace std::cout, but 40ish voters appear not to agree).
– Kyle Strand
Mar 9 '15 at 21:00
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