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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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Hashing a file in Python
...on to read to the EOF so I can get an appropriate hash, whether it is sha1 or md5. Please help. Here is what I have so far:
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Are Java static calls more or less expensive than non-static calls?
Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot.
12 Answers
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Why does Python code use len() function instead of a length method?
...s which have a length and use the built-in len() function, which calls it for you, similar to the way you would implement __iter__() and use the built-in iter() function (or have the method called behind the scenes for you) on objects which are iterable.
See Emulating container types for more infor...
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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What is `mt=8` in iTunes links for the App Store?
Does anyone know the significance of the mt parameter in App Store Links?
8 Answers
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Conditional Variable vs Semaphore
When should one use a semaphore and when should one use a conditional variable (CondVar) ?
6 Answers
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Is it possible to set the equivalent of a src attribute of an img tag in CSS?
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Use content:url("image.jpg").
Full working solution (Live Demo):
<!doctype html>
<style>
.MyClass123{
content:url("http://imgur.com/SZ8Cm.jpg");
}
</style>
<img class="MyClass123"/>
Tested and working:
Chrome 14....
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&...