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Is pass-by-value a reasonable default in C++11?
In traditional C++, passing by value into functions and m>me m>thods is slow for large objects, and is generally frowned upon. Instead, C++ programm>me m>rs tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around m>me m>mory ma...
Analytics Google API Error 403: “User does not have any Google Analytics Account”
...Google Analytics profile I wanted it to access.
I got the email address (som>me m>thing like xxxxxx@developer.gserviceaccount.com) for the service account by looking under the "API Access" tab in the Google APIs console.
Then, I followed Google's instructions for adding an email address to an Analytics p...
$(window).scrollTop() vs. $(docum>me m>nt).scrollTop()
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They are both going to have the sam>me m> effect.
However, as pointed out in the comm>me m>nts: $(window).scrollTop() is supported by more web browsers than $('html').scrollTop().
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Ruby on Rails: getting the max value from a DB column
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Assuming your model nam>me m> is Bar and it has a column nam>me m>d bar, this should work:
Bar.maximum("bar")
See the excellent Rails Guides section on Calculations for more info.
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How to use the “number_to_currency” helper m>me m>thod in the model rather than view?
I would like to use to_dollar m>me m>thod in my model like this:
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How do I remove all non alphanum>me m>ric characters from a string except dash?
How do I remove all non alphanum>me m>ric characters from a string except dash and space characters?
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Undock Chrom>me m> Developer Tools
How do I undock the Chrom>me m> Developer Tools in Chrom>me m>?
Pressing the left bottom corner just moves it to the right side.
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I change the capitalization of a directory and Git doesn't seem to pick up on it
...(but case preserving) HFS+. I usually work round this like so:
$ git mv som>me m>nam>me m> tmpnam>me m>
$ git mv tmpnam>me m> Som>me m>Nam>me m>
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Boolean operators && and ||
...een & and && (correspondingly | and || ) is that the form>me m>r is vectorized while the latter is not.
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How do I enable language extensions from within GHCi?
...t tab completion for available extensions, which is handy when you can't rem>me m>mber where they decided to use abbreviations ("MultiParam") or acronyms ("GADT") rather than spelling things out in full ("MonomorphismRestriction")...
– C. A. McCann
Sep 25 '12 at 14:...