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Is pass-by-value a reasonable default in C++11?

In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
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CMake: Print out all accessible variables in a script

I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts. ...
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Is Java RegEx case-insensitive?

In Java, when doing a replaceAll to look for a regex pattern like: 5 Answers 5 ...
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Does Flask support regular expressions in its URL routing?

I understand that Flask has the int, float and path converters, but the application we're developing has more complex patterns in its URLs. ...
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How do I draw a grid onto a plot in Python?

I just finished writing code to make a plot using pylab in Python and now I would like to superimpose a grid of 10x10 onto the scatter plot. How do I do that? ...
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Enable Vim Syntax Highlighting By Default

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AngularJS directive with default options

I'm just starting with angularjs, and am working on converting a few old JQuery plugins to Angular directives. I'd like to define a set of default options for my (element) directive, which can be overridden by specifying the option value in an attribute. ...
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Laravel Eloquent Sum of relation's column

I've been working on a shoppingcart application and now I've come to the following issue.. 4 Answers ...
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Concurrent.futures vs Multiprocessing in Python 3

Python 3.2 introduced Concurrent Futures , which appear to be some advanced combination of the older threading and multiprocessing modules. ...
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Is there a way to chain multiple value converters in XAML?

I've got a situation in which I need to show an integer value, bound to a property on my data context, after putting it through two separate conversions: ...