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What is the difference between a port and a socket?
This was a question raised by one of the software engineers in my organisation. I'm interested in the broadest definition.
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Multiple INSERT statements vs. single INSERT with multiple VALUES
I'm running a performance comparison between using 1000 INSERT statements:
4 Answers
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Perl build, unit testing, code coverage: A complete working example
Most Stackoverflow answers that I have found in regards to the Perl build process and unit testing and code coverage simply point me to CPAN for the documentation there. There's absolutely nothing wrong with pointing to CPAN modules because that's where the full documentation is supposed to reside....
Why does my application spend 24% of its life doing a null check?
I've got a performance critical binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it.
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How do you use bcrypt for hashing passwords in PHP?
Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules".
11 Answers
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Best practices for reducing Garbage Collector activity in Javascript
... which has a main loop that is called 60 times per second. There seems to be a lot of garbage collection going on (based on the 'sawtooth' output from the Memory timeline in the Chrome dev tools) - and this often impacts the performance of the application.
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Efficiency of Java “Double Brace Initialization”?
In Hidden Features of Java the top answer mentions Double Brace Initialization , with a very enticing syntax:
15 Answe...
What is Mocking?
...hing made as an imitation.
Mocking is primarily used in unit testing. An object under test may
have dependencies on other (complex) objects. To isolate the behavior
of the object you want to replace the other objects by mocks that
simulate the behavior of the real objects. This is useful if the rea...
Default constructor vs. inline field initialization
What's the difference between a default constructor and just initializing an object's fields directly?
5 Answers
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how to listen to N channels? (dynamic select statement)
to start an endless loop of executing two goroutines, I can use the code below:
5 Answers
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