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Efficiently test if a port is open on Linux?
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How to include *.so library in Android Studio?
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How can I efficiently select a Standard Library container in C++11?
...iderations only really kick in when you start handling a few thousands (or more) of items.
There are two big categories of containers:
Associative containers: they have a find operation
Simple Sequence containers
and then you can build several adapters on top of them: stack, queue, priority_que...
Scanner vs. BufferedReader
...uffer (1024 chars) as opposed to the BufferedReader (8192 chars), but it's more than sufficient.
As to the choice, use the Scanner if you want to parse the file, use the BufferedReader if you want to read the file line by line. Also see the introductory text of their aforelinked API documentations....
PHPUnit assert that an exception was thrown?
... that is expected to throw, is an error IMO. And the inability to test for more than one exception in the same test, makes testing for many expected exceptions a really clunky affair. I wrote an actual assertion to try to solve those problems.
– mindplay.dk
Aug...
Binding to static property
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This answer is more appropriate to my case because I don't want to introduce DependencyObject to my source class. Thanks for the tip!
– Anthony Brien
Jun 2 '09 at 15:30
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Do I need to create indexes on foreign keys on Oracle?
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
... to find that Time.at(..) outperforms DateTime.strptime(..) (update: added more benchmarks).
# ~ % ruby -v
# => ruby 2.1.5p273 (2014-11-13 revision 48405) [x86_64-darwin13.0]
irb(main):038:0> Benchmark.measure do
irb(main):039:1* ["1318996912", "1318496912"].each do |s|
irb(main):040:2* ...
What is a race condition?
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A race condition occurs when two or more threads can access shared data and they try to change it at the same time. Because the thread scheduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to acces...
What's a correct and good way to implement __hash__()?
...()
return NotImplemented
Also, the documentation of __hash__ has more information, that may be valuable in some particular circumstances.
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