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What do (lambda) function closures capture?
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Your second question has been answered, but as for your first:
what does the closure capture exactly?
Scoping in Python is dynamic and lexical. A closure will always remember the name and scope of the variable, not the object it's pointing to. Since all the functions in your example are cre...
Haskell testing workflow
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Then, you can tell cabal about how to run your test suite. As cabal test doesn't yet exist -- we have a student working on it for this year's summer of code! -- the best mechanism we have is Here is how to use cabal's user hook mechanism. This means switching to a 'Custom' build with cabal and set...
Proper Linq where clauses
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EDIT: LINQ to Objects doesn't behave how I'd expected it to. You may well be interested in the blog post I've just written about this...
They're different in terms of what will be called - the first is equivalent to:
Collection.Where(x => x...
How to make a element expand or contract to its parent container?
...w SVG file and get the path data from this file.
Now in HTML the code that does the magic is as follows:
<div id="containerId">
<svg
id="svgId"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
version="1.1"
x="0"
y="0"
width="10...
Is .NET Remoting really deprecated?
...loped
using the Windows Communication
Foundation (WCF).
Update: WCF doesn't distinguish between inter/intra/process/inter/intra-appdomain. If you are using single machine communication in WCF you use named pipes- using it should give good performance in virtually all realistic scenarios.
For...
Android activity life cycle - what are all these methods for?
...is method may never be called, in low memory situations
where the system does not have enough memory to keep your activity's
process running after its onPause() method is called.
onDestroy():
The final call you receive before your activity is destroyed. This
can happen either because the...
How to make rounded percentages add up to 100%
...errors, and it's very simple to implement. However there are edge cases it does not handle - what should be the result of rounding 24.25, 23.25, 27.25, 25.25? One of those needs to be rounded up instead of down. You would probably just arbitrarily pick the first or last one in the list.
Perhaps it'...
How to work around the lack of transactions in MongoDB?
...quire them.
For more details see here.
Having distributed transactions, doesn't mean that you should model your data like in tabular relational databases. Embrace the power of the document model and follow the good and recommended practices of data modeling.
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How to delete an old/unused Data Model Version in Xcode
... there you will find the actual model file and can delete it.
This still doesn't remove it from Xcode and it will show red in the Files and Groups. To stop this from happening go back to Finder and Show Package Contents on your main *.xcodeproj file (you may want to make sure you have a backup of ...
Will the base class constructor be automatically called?
...Derived object, it has a parameterless constructor. However, the Base type does not. So in order to create a parametersless constructor, you need to provide an argument to the base constuctor, which you can do with the base implementation.
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