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Behaviour of final static method
...orphism, the call ts() in A will never be redirected to the one in B.
The keyword final will disable the method from being hidden. So they cannot be hidden and an attempt to do so will result in a compiler error.
Hope this helps.
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Get list of databases from SQL Server
...he list of available databases on a SQL Server instance? I'm planning to make a list of them in a combo box in VB.NET.
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?: operator (the 'Elvis operator') in PHP
... bar will only be evaluated once.
You can also use this to do a "self-check" of foo as demonstrated in the code example you posted:
foo = foo ?: bar;
This will assign bar to foo if foo is null or falsey, else it will leave foo unchanged.
Some more examples:
<?php
var_dump(5 ?: 0); // 5
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How can I specify a local gem in my Gemfile?
I'd like Bundler to load a local gem. Is there an option for that? Or do I have to move the gem folder into the .bundle directory?
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How can I grep hidden files?
I am searching through a Git repository and would like to include the .git folder.
10 Answers
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Is there a working C++ refactoring tool? [closed]
Does anybody know a fully featured refactoring tool for C++ that works reliably with large code bases (some 100.000 lines)?
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Which is the fastest algorithm to find prime numbers?
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A very fast implementation of the Sieve of Atkin is Dan Bernstein's primegen. This sieve is more efficient than the Sieve of Eratosthenes. His page has some benchmark information.
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How can I split a comma delimited string into an array in PHP?
... edited Apr 24 '16 at 11:49
Kaspar Lee
4,66022 gold badges2323 silver badges5151 bronze badges
answered Jul 14 '09 at 14:24
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Disabled href tag
Although that link is disabled, it's still clickable.
31 Answers
31
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Iterating over Java collections in Scala
I'm writing some Scala code which uses the Apache POI API. I would like to iterate over the rows contained in the java.util.Iterator that I get from the Sheet class. I would like to use the iterator in a for each style loop, so I have been trying to convert it to a native Scala collection but ...