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python location on mac osx

...t the Python(s) were built with, not the version of Python itself. That information should be on the previous line. For example: # Apple-supplied Python 2.6 in OS X 10.6 $ /usr/bin/python Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49) [GCC 4.2.1 (Apple Inc. build 5646)] on darwin Type "help", ...
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Contains method for a slice

...ren't interested in the value, you might also create a map[string]struct{} for example. Using an empty struct{} here has the advantage that it doesn't require any additional space and Go's internal map type is optimized for that kind of values. Therefore, map[string] struct{} is a popular choice for...
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How to set Python's default version to 3.x on OS X?

...liases to add as well, i.e.: alias 2='python2' alias 3='python3' Tip: For scripts, instead of using a shebang like: #!/usr/bin/env python use: #!/usr/bin/env python3 This way, the system will use python3 for running python executables. ...
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How to set focus on input field?

...].focus(). Depending on your use case, you may or may not need a $timeout for this one: <button class="btn" ng-click="showForm=true; focusInput=true">show form and focus input</button> <div ng-show="showForm"> <input type="text" ng-model="myInput" focus-me="focusInput"> ...
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Removing path and extension from filename in powershell

... There's a handy .NET method for that: C:\PS> [io.path]::GetFileNameWithoutExtension("c:\temp\myfile.txt") myfile share | improve this answer ...
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Does ruby have real multithreading?

...evel" threads in my application in order to make use of multiple cpu cores for processing? 9 Answers ...
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iOS 7 parallax effect in my view controller

I'm developing an app for iOS 7 in Objective-C. I've got a screen in my app with a few buttons and a pretty background image. (It's a simple xib with UIButtons on top of a UIImageView .) ...
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req

...e browser is blocking it as it usually allows a request in the same origin for security reasons. You need to do something different when you want to do a cross-domain request. A tutorial about how to achieve that is Using CORS. When you are using postman they are not restricted by this policy. Quot...
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Why use Ruby's attr_accessor, attr_reader and attr_writer?

...s class and after that remains constant. If there were a mutator (writer) for age and the class were written assuming that age, once set, does not change, then a bug could result from code calling that mutator. But what is happening behind the scenes? If you write: attr_writer :age That gets t...
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Search for executable files using find command

...ions of find you can use -executable: find . -type f -executable -print For BSD versions of find, you can use -perm with + and an octal mask: find . -type f -perm +111 -print In this context "+" means "any of these bits are set" and 111 is the execute bits. Note that this is not identical to ...