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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
Ruby has two different exceptions mechanisms: Throw/Catch and Raise/Rescue.
3 Answers
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Easiest way to rename a model using Django/South?
I've been hunting for an answer to this on South's site, Google, and SO, but couldn't find a simple way to do this.
4 Answ...
Is there documentation for the Rails column types?
I'm looking for more than the simple type listing that is found on this page :
2 Answers
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Symbolic links and synced folders in Vagrant
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Virtualbox does not allow symlinks on shared folders for security reasons. To enable symlinks the following line needs to be added to the vm provider config block in the Vagrantfile:
config.vm.provider "virtualbox" do |v|
v.customize ["sete...
Python decorators in classes
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Would something like this do what you need?
class Test(object):
def _decorator(foo):
def magic( self ) :
print "start magic"
foo( self )
print "end magic"
return magic
@_decorator
def bar( self ) :
print "normal call"
test ...
ReadOnlyCollection or IEnumerable for exposing member collections?
...to expose an internal collection as a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...acters. By default it does this it if it decides it's a text file.
-r read all files under each directory recursively.
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Find the most common element in a list
...roups by the item only (via operator.itemgetter). The auxiliary function, called once per grouping during the max computation, receives and internally unpacks a group - a tuple with two items (item, iterable) where the iterable's items are also two-item tuples, (item, original index) [[the items of ...
Why can I access private variables in the copy constructor?
... have learned that I can never access a private variable, only with a get-function in the class. But then why can I access it in the copy constructor?
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What kind of Garbage Collection does Go use?
Go is a garbage collected language:
5 Answers
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