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Best way to clear a PHP array's values
...Like Zack said in the comments below you are able to simply re-instantiate it using
$foo = array(); // $foo is still here
If you want something more powerful use unset since it also will clear $foo from the symbol table, if you need the array later on just instantiate it again.
unset($foo); // ...
How to print the full traceback without halting the program?
I'm writing a program that parses 10 websites, locates data files, saves the files, and then parses them to make data that can be readily used in the NumPy library. There are tons of errors this file encounters through bad links, poorly formed XML, missing entries, and other things I've yet to cat...
Why use iterators instead of array indices?
...ctors, but not for lists, for example. Also, what are you planning to do within the body of the loop? If you plan on accessing the elements as in
T elem = some_vector[i];
then you're making the assumption that the container has operator[](std::size_t) defined. Again, this is true for vector bu...
How to achieve function overloading in C?
...
There are few possibilities:
printf style functions (type as an argument)
opengl style functions (type in function name)
c subset of c++ (if You can use a c++ compiler)
...
Python try-else
...xceptions notes:
The use of the else clause is better
than adding additional code to the try
clause because it avoids accidentally
catching an exception that wasn’t
raised by the code being protected by
the try ... except statement.
So, if you have a method that could, for example,...
How do I break out of a loop in Scala?
...? There are several options.
(1a) Use some construct that includes a conditional that you test.
var sum = 0
(0 to 1000).iterator.takeWhile(_ => sum < 1000).foreach(i => sum+=i)
(warning--this depends on details of how the takeWhile test and the foreach are interleaved during evaluation...
Patterns for handling batch operations in REST web services?
What proven design patterns exist for batch operations on resources within a REST style web service?
8 Answers
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Parse date without timezone javascript
I want to parse date without timezone in JavaScript. I have tried:
12 Answers
12
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Why are only final variables accessible in anonymous class?
...ments, some of this becomes irrelevant in Java 8, where final can be implicit. Only an effectively final variable can be used in an anonymous inner class or lambda expression though.
It's basically due to the way Java manages closures.
When you create an instance of an anonymous inner class, any...
What does it mean to hydrate an object?
...
With respect to the more generic term hydrate
Hydrating an object is taking an object that exists in memory, that doesn't yet contain any domain data ("real" data), and then populating it with domain data (such as from a data...