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Javascript “this” pointer within nested function
I have a question concerning how the "this" pointer is treated in a nested function scenario.
8 Answers
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Locking pattern for proper use of .NET MemoryCache
I assume this code has concurrency issues:
9 Answers
9
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How to set a Django model field's default value to a function call / callable (e.g., a date relative
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The question is misguided. When creating a model field in Django, you are not defining a function, so function default values are irrelevant:
from datetime import datetime, timedelta
class MyModel(models.Model):
# default to 1 day fro...
What is MOJO in Maven?
I'm reading about Maven right now and everywhere in a text I see this word (mojo). I approximately understand what it means, but I would not refuse from a good explanation. I tried to google, but found only non-maven explanations.
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Static method behavior in multi-threaded environment in java
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Hans Passant's answer is good. But I thought I would try and explain at a slightly more simple level for anybody who comes across this and is newish to Java. Here goes..
Memory in java is split up into two kinds - the heap and the stacks. The hea...
Inconsistent Accessibility: Parameter type is less accessible than method
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Constructor of public class clients is public but it has a parameter of type ACTInterface that is private (it is nested in a class?). You can't do that. You need to make ACTInterface at least as accessible as clients.
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How to dynamically load a Python class
...iven a string of a Python class, e.g. my_package.my_module.MyClass , what is the best possible way to load it?
10 Answers
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How to understand nil vs. empty vs. blank in Ruby
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.nil? can be used on any object and is true if the object is nil.
.empty? can be used on strings, arrays and hashes and returns true if:
String length == 0
Array length == 0
Hash length == 0
Running .empty? on something that is nil will throw a NoMethodErr...
Difference between “!==” and “==!” [closed]
Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...
Why can Java Collections not directly store Primitives types?
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It was a Java design decision, and one that some consider a mistake. Containers want Objects and primitives don't derive from Object.
This is one place that .NET designers learned from the JVM and implemented value types and generics such that boxi...