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What are the “standard unambiguous date” formats for string-to-date conversion in R?

...te (+1). However, the error message "standard unambiguous format" is ironically ambiguous, to which the 23 previous questions attest. A more direct error message like, "format not recognized, see documentation" might improve user experience. Also, I don't believe "01/01/2000" is ISO-8601 ("2000-01-0...
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What is the 'dynamic' type in C# 4.0 used for?

... typically have to wave your hand(s) and say some magic words in the right order to get a certain type of spell going. The old API way of talking to COM objects was a lot of that, you needed to jump through a lot of hoops in order to coax the compiler to compile the code for you. Things break down ...
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How do I list loaded plugins in Vim?

... Not a VIM user myself, so forgive me if this is totally offbase. But according to what I gather from the following VIM Tips site: " where was an option set :scriptnames : list all plugins, _vimrcs loaded (super) :verbose set history? : reveals value of hist...
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Difference Between Select and SelectMany

... I understand SelectMany to work like a join shortcut. So you can: var orders = customers .Where(c => c.CustomerName == "Acme") .SelectMany(c => c.Orders); share | ...
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How can I use if/else in a dictionary comprehension?

... @Marcin's answer covers it all, but just in case someone wants to see an actual example, I add two below: Let's say you have the following dictionary of sets d = {'key1': {'a', 'b', 'c'}, 'key2': {'foo', 'bar'}, 'key3': {'so', 'sad'}} and you want ...
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ImportError: numpy.core.multiarray failed to import

... I was getting the same error and was able to solve it by updating my numpy installation to 1.8.0: pip install -U numpy share | improve this answer | fo...
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Breakpoint on property change

...ols: Original answer (2012.07): A console.watch sketch as suggested by @katspaugh: var console = console || {}; // just in case console.watch = function(oObj, sProp) { var sPrivateProp = "$_"+sProp+"_$"; // to minimize the name clash risk oObj[sPrivateProp] = oObj[sProp]; // overwr...
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Where to find Application Loader app in Mac?

I have downloaded applicationloader_1.3.dmg and installed in the destination Macintosh HD. 15 Answers ...
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How can I access the MySQL command line with XAMPP for Windows?

...[database] Default options are read from the following files in the given order: C:\WINDOWS\my.ini C:\WINDOWS\my.cnf C:\my.ini C:\my.cnf C:\xampp\mysql\my.ini C:\xampp\mysql\my.cnf C:\xampp\mysql\bin\my.ini C:\xampp\mysql\bin\my.cnf The following groups are read: mysql client client-server client-m...
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What's the difference between xsd:include and xsd:import?

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...