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Where do I find the current C or C++ standard documents?
For many questions the answer seems to be found in "the standard". However, where do we find that? Preferably online.
12 An...
How to use “raise” keyword in Python [duplicate]
...ve read the official definition of "raise", but I still don't quite understand what it does.
6 Answers
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Set environment variables on Mac OS X Lion
... idea where these files are, how to create them if I have to do that, etc, and also why there seem to be so many different ones (why? Do they do different things?)
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Why does the default parameterless constructor go away when you create one with parameters
In C#, C++ and Java, when you create a constructor taking parameters, the default parameterless one goes away. I have always just accepted this fact, but now I've started wondering why.
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Finding sum of elements in Swift array
...the sum of an array of integers in swift?
I have an array called multiples and I would like to know the sum of the multiples.
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catch all unhandled exceptions in ASP.NET Web Api
How do I catch all unhandled exceptions that occur in ASP.NET Web Api so that I can log them?
5 Answers
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Rails 4 LIKE query - ActiveRecord adds quotes
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Your placeholder is replaced by a string and you're not handling it right.
Replace
"name LIKE '%?%' OR postal_code LIKE '%?%'", search, search
with
"name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%"
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Converting JavaScript object with numeric keys into array
...Query's $.map
var arr = $.map(obj, function(el) { return el });
FIDDLE
and almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Array.map
var arr = Object.keys(obj).map(function(k) { return obj[k] });
FIDDLE
That's assuming it's already...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
Ruby has this handy and convenient way to share instance variables by using keys like
5 Answers
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Set markers for individual points on a line in Matplotlib
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Specify the keyword args linestyle and/or marker in your call to plot.
For example, using a dashed line and blue circle markers:
plt.plot(range(10), linestyle='--', marker='o', color='b')
A shortcut call for the same thing:
plt.plot(range(10), '--bo')
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