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How do I convert from int to Long in Java?
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Note that there is a difference between a cast to long and a cast to Long. If you cast to long (a primitive value) then it should be automatically boxed to a Long (the reference type that wraps it).
You could alternatively use new to create an in...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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If you have several versions of Python installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to hardcode something like #!/usr/bin/python; that's ok, b...
What does “Object reference not set to an instance of an object” mean? [duplicate]
...e primitives such as integers and booleans or structures (and can be identified because they inherit from System.ValueType). Boolean variables, when declared, have a default value:
bool mybool;
//mybool == false
Reference types, when declared, do not have a default value:
class ExampleClass
{
}...
Making a private method public to unit test it…good idea?
...ables via getters? which was merged into this one, so it may be a tad specific to the usecase presented there.
As a general statement, I'm usually all for refactoring "production" code to make it easier to test. However, I don't think that would be a good call here. A good unit test (usually) sho...
How do I discard unstaged changes in Git?
...-index --include-untracked
You don't need to include --include-untracked if you don't want to be thorough about it.
After that, you can drop that stash with a git stash drop command if you like.
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How do I implement __getattribute__ without an infinite recursion error?
...t__ attribute inside __getattribute__ invokes your __getattribute__ again. If you use object's __getattribute__ instead, it works:
class D(object):
def __init__(self):
self.test=20
self.test2=21
def __getattribute__(self,name):
if name=='test':
return 0.
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Interview questions: WPF Developer [closed]
...estions, just see what their code is like after a couple of hours (or more if the task is longer).
I have had a zero failure rate on making a hiring descision based on the results of an actual real life programming test.
The task doesn't have to be too difficult. I've used a simple message of the ...
What is the correct format to use for Date/Time in an XML file
...ing .NET? Do I simply use DateTime.ToString() , or do I have to use a specific format?
5 Answers
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Differences between detach(), hide() and remove() - jQuery
What is the functional difference between these three jQuery methods:
5 Answers
5
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Declaring variables inside or outside of a loop
...tically that str absolutely ought to be declared within the while loop. No ifs, no ands, no buts.
The only case where this rule might be violated is if for some reason it is of vital importance that every clock cycle must be squeezed out of the code, in which case you might want to consider instant...