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Mathematical functions in Swift
...an import only Darwin.
import Darwin
If you want mathematical functions and other standard classes and functions. You can import Foundation.
import Foundation
If you want everything and also classes for user interface, it depends if your playground is for OS X or iOS.
For OS X, you need impor...
Why does installing Nokogiri on Mac OS fail with libiconv is missing?
I've been trying to install Nokogiri on Mac OS 10.9.3 and whatever I try, the install fails in the end with the following error message:
...
Why array implements IList?
... (and transitively, ICollection) simplified the Linq2Objects engine, since casting the IEnumerable to IList/ICollection would also work for arrays.
For example, a Count() ends up calling the Array.Length under-the-hood, since it's casted to ICollection and the array's implementation returns Length...
What does “while True” mean in Python?
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@Blindy: in a weakly-typed language with automatic casting, you can say x 'evaluates to' y... it's not while 5 is not strictly equal to 0, it's while 5 is loosely equal to True.
– Dagg Nabbit
Sep 20 '10 at 21:13
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Templated check for the existence of a class member function?
...:value << std::endl;
return 0;
}
I've just tested it with Linux and gcc 4.1/4.3. I don't know if it's portable to other platforms running different compilers.
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How to convert string to boolean php
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To explicitly convert a value to boolean, use the (bool) or (boolean)
casts. However, in most cases the cast is unnecessary, since a value
will be automatically converted if an operator, function or control
structure requires a boolean argument.
See also Type Juggling.
When conver...
Update built-in vim on Mac OS X
...his line to your .bashrc or .profile:
alias vim='/path/to/your/own/vim'
and/or change your $PATH so that it looks into its location before the default location.
The best thing to do, in my opinion, is to simply download the latest MacVim which comes with a very complete vim executable and use it...
How to run a python script from IDLE interactive shell?
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Can you please add an example with command line arguments as well.
– ViFI
Jul 18 '16 at 22:55
1
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OS specific instructions in CMAKE: How to?
... function of CMAKE where I am linking libwsock32.a. In windows this works and I get the results.
8 Answers
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How do I get the path of the current executed file in Python?
...always loaded from a file. If you create a module with the following code and put it in the same directory as your main script, then the main script can import the module and use that to locate itself.
some_path/module_locator.py:
def we_are_frozen():
# All of the modules are built-in to the ...