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Compare object instances for equality by their attributes
...cally make instances of your class unhashable, which means they can't be stored in sets and dicts. If you're not modelling an immutable type (i.e. if the attributes foo and bar may change value within the lifetime of your object), then it's recommend to just leave your instances as unhashable.
If y...
Does a javascript if statement with multiple conditions test all of them?
... javascript, when using an if statement with multiple conditions to test for, does javascript test them all regardless, or will it bail before testing them all if it's already false?
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Modulus % in Django template
I'm looking for a way to use something like the modulus operator in django. What I am trying to do is to add a classname to every fourth element in a loop.
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When should we use intern method of String on String literals
According to String#intern() , intern method is supposed to return the String from the String pool if the String is found in String pool, otherwise a new string object will be added in String pool and the reference of this String is returned.
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Meaning
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Modules Preconditions:
The IIS core engine uses preconditions to determine when to enable a particular module. Performance reasons, for example, might determine that you only want to execute managed modules for requests that also go to a managed handler. Th...
Difference between Math.Floor() and Math.Truncate()
What is the difference between Math.Floor() and Math.Truncate() in .NET?
12 Answers
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nosetests is capturing the output of my print statements. How to circumvent this?
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Either:
$ nosetests --nocapture mytest.py
Or:
$ NOSE_NOCAPTURE=1 nosetests mytests.py
(it can also be specified in the nose.cfg file, see nosetests --help)
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unix - head AND tail of file
...u can simply:
(head; tail) < file.txt
And if you need to uses pipes for some reason then like this:
cat file.txt | (head; tail)
Note: will print duplicated lines if number of lines in file.txt is smaller than default lines of head + default lines of tail.
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What is the use of ObservableCollection in .net?
...event handler to do some additional processing. This may be changing a UI or performing some other operation.
The code below doesn't really do anything but demonstrates how you'd attach a handler in a class and then use the event args to react in some way to the changes. WPF already has many oper...
git + LaTeX workflow
I'm writing a very long document in LaTeX. I have my work computer and my laptop, and I work on them both. I need to keep all the files synchronized between the two computers, and also would like to keep a revision history. I chose git as my DVCS, and I'm hosting my repository on my server. I'm also...