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Should a “static final Logger” be declared in UPPER-CASE?
... immutability is concerned with how the state changes, only that it does. moreover, what's a user? the external user running the program? would you make a distinction between state being modified by a user pressing a button, and it being modified by a timer firing at some random interval? (i don't t...
Java Timer vs ExecutorService?
...hedule a task using java.util.Timer . I was looking around and saw ExecutorService can do the same. So this question here, have you used Timer and ExecutorService to schedule tasks, what is the benefit of one using over another?
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When should I use Lazy?
...always incurring the cost.
Usually this is preferable when the object may or may not be used and the cost of constructing it is non-trivial.
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Rails: How does the respond_to block work?
...ot stuck at this same code. The parts that I got hung up on were a little more fundamental than some of the answers I found here. This may or may not help someone.
respond_to is a method on the superclass ActionController.
it takes a block, which is like a delegate. The block is from do until end,...
Setting an int to Infinity in C++
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int a = std::numeric_limits<int>::max();
Which would be 2^31 - 1 (or 2 147 483 647) if int is 32 bits wide on your implementation.
If you really need infinity, use a floating point number type, like float or double. You can then get infinity with:
double a = std::numeric_limits<double&...
Why are data transfer objects (DTOs) an anti-pattern?
...o the architecture needs to get a huge benefit from this separation to be worth it.
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Benefits of using the conditional ?: (ternary) operator
What are the benefits and drawbacks of the ?: operator as opposed to the standard if-else statement. The obvious ones being:
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Should developers have administrator permissions on their PC
Should developers have administrator permissions on their PC or is giving them power user access sufficient?
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Real World Example of the Strategy Pattern
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What about this:
You have to encrypt a file.
For small files, you can use "in memory" strategy, where the complete file is read and kept in memory ( let's say for files < 1 gb )
For large files, you can use another strategy, where parts of the file are read in memor...
SimpleTest vs PHPunit
...leTest still is considered an alternative to phpunit. Maybe i'm just misinformed but as far as I've seen:
PHPUnit is the standard; most frameworks use it (like Zend Framework (1&2), Cake, Agavi, even Symfony is dropping their own Framework in Symfony 2 for phpunit).
PHPUnit is integrated in eve...