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define() vs. const
... 'BAR');
Since PHP 5.6 const constants can also be arrays, while define() does not support arrays yet. However, arrays will be supported for both cases in PHP 7.
const FOO = [1, 2, 3]; // Valid in PHP 5.6
define('FOO', [1, 2, 3]); // Invalid in PHP 5.6 and valid in PHP 7.0
Finally, note that...
Why do we use __init__ in Python classes?
...e of understanding: the difference between a class and an object. __init__ doesn't initialize a class, it initializes an instance of a class or an object. Each dog has colour, but dogs as a class don't. Each dog has four or fewer feet, but the class of dogs doesn't. The class is a concept of an obje...
List of Big-O for PHP functions
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Since it doesn't seem like anyone has done this before I thought it'd be good idea to have it for reference somewhere. I've gone though and either via benchmark or code-skimming to characterize the array_* functions. I've tried to put...
How do you kill a Thread in Java?
... try to kill the corresponding thread by calling Thread.interrupt() but it doesn't influence the thread at all. The Thread.stop() works however, although oracle says it shouldn't work if interrupt() doesn't. I wonder how make it work and avoid using deprecated method.
– Danny L...
What is default session timeout in ASP.NET?
... setting applies only to ASP.NET pages. Changing the session timeout value does not affect the session time-out for ASP pages. Similarly, changing the session time-out for ASP pages does not affect the session time-out for ASP.NET pages.
The default is 20 minutes.
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json.net has key method?
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Just use x["error_msg"]. If the property doesn't exist, it returns null.
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Should I compile with /MD or /MT?
...ystem updates (for good or ill),
your executable can be smaller (since it doesn't have the library embedded in it), and
I believe that at very least the code segment of a DLL is shared amongst all processes that are actively using it (reducing the total amount of RAM consumed).
I've also found t...
Why are there no ++ and -- operators in Python?
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It's not because it doesn't make sense; it makes perfect sense to define "x++" as "x += 1, evaluating to the previous binding of x".
If you want to know the original reason, you'll have to either wade through old Python mailing lists or ask som...
Foreach loop, determine which is the last iteration of the loop
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This doesn't really work if you have duplicates in your collection. For example, if you're working with a collection of strings, and there are any duplicates, then that "different with the last item" code will execute for every oc...
C# LINQ find duplicates in List
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This does not work as expected. Using List<int> { 1, 2, 3, 4, 5, 2 } as the source, the result is an IEnumerable<int> with one element having the value of 1 (where the correct duplicate value is 2)
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