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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

...sing yield from def reader(): """A generator that fakes a read from a file, socket, etc.""" for i in range(4): yield '<< %s' % i def reader_wrapper(g): # Manually iterate over data produced by reader for v in g: yield v wrap = reader_wrapper(reader()) for i i...
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Firefox ignores option selected=“selected”

... Although maybe not the ideal solution, this works.. you have to do a check on getAttribute("selected") – monkey-wrench Jan 28 '11 at 19:43 ...
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Using an if statement to check if a div is empty

... @rogueleaderr Smart, didn't thought about using .text() because you could actually have some comment in the "empty" container and thus neither trim nor :empty would work. Thx – Juri Jul 31 '13 at 13:25 ...
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jQuery hasClass() - check for more than one class

... Just now noticed that I have 4 id="hello" elements there. Fixed version in order to make validators happy: jsbin.com/uqoku/2/edit – Matchu Feb 6 '10 at 22:38 ...
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Android dismiss keyboard

...= (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(myEditText.getWindowToken(), 0); share | improve this answer | follow ...
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Check, using jQuery, if an element is 'display:none' or block on click

I want to check and sort elements that are hidden. Is it possible to find all elements with attribute display and value none ? ...
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How can I overwrite a getter method in an ActiveRecord model?

... The Rails Style Guide recommends using self[:attr] over read_attribute(:attr). You can use it like this: def name name_trans || self[:name] end share | ...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...gt;> pickle.loads(pickle.dumps(l)) Traceback (most recent call last): File "<stdin>", line 1, in <module> _pickle.PicklingError: Can't pickle <function <lambda> at 0x7fbbc0464e18>: attribute lookup <lambda> on __main__ failed We can lookup foo just fine - becaus...
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How do you do a deep copy of an object in .NET? [duplicate]

...our class MUST be marked as [Serializable] for this to work. Your source file must include the following code: using System.Runtime.Serialization.Formatters.Binary; using System.IO; share | imp...
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In Vim, is there a way to paste text in the search line?

...lIns or CtrlC after selecting) and then, when in the command/search line, middle-clicking (or ShiftIns or CtrlV). Another way, is to write your command/search line in the text buffer with all the editing available in text buffers, starting with : and all, then, on the line, do: "add@a which will...