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How to get overall CPU usage (e.g. 57%) on Linux [closed]
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Mike Q
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answered Feb 10 '12 at 14:48
vimdudevimdude
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How to get the Power of some Integer in Swift language?
...(radix), Double(power)))
}
// ...
// Then you can do this...
let i = 2 ^^ 3
// ... or
println("2³ = \(2 ^^ 3)") // Prints 2³ = 8
I used two carets so you can still use the XOR operator.
Update for Swift 3
In Swift 3 the "magic number" precedence is replaced by precedencegroups:
precedencegro...
How do I get the current absolute URL in Ruby on Rails?
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33 Answers
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Difference between a Postback and a Callback
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edited Feb 23 '19 at 2:00
Glorfindel
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How to throw std::exceptions with variable messages?
...};
Example:
throw std::runtime_error(Formatter() << foo << 13 << ", bar" << myData); // implicitly cast to std::string
throw std::runtime_error(Formatter() << foo << 13 << ", bar" << myData >> Formatter::to_str); // explicitly cast to std...
How to execute multi-line statements within Python's own debugger (PDB)
...e:
(pdb) !import code; code.interact(local=vars())
Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>>
When you're done, use Ctrl-D to return to the regular pdb prompt.
J...
How to pass optional arguments to a method in C++?
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AustinWBryan
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answered Sep 24 '10 at 4:07
Pramendra GuptaPramend...
Print a list in reverse order with range()?
...parameters. range(start, stop, step)
For example, to generate a list [5,4,3,2,1,0], you can use the following:
range(5, -1, -1)
It may be less intuitive but as the comments mention, this is more efficient and the right usage of range for reversed list.
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Combine two data frames by rows (rbind) when they have different sets of columns
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13 Answers
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How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...to use the new bundling feature in a project I recently converted from MVC 3 to MVC 4 beta. It requires a line of code in global.asax, BundleTable.Bundles.RegisterTemplateBundles(); , which requires using System.Web.Optimization; at the top.
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