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Negation in Python
I'm trying to create a directory if the path doesn't exist, but the ! (not) operator doesn't work. I'm not sure how to negate in Python... What's the correct way to do this?
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Safely limiting Ansible playbooks to a single machine?
I'm using Ansible for some simple user management tasks with a small group of computers. Currently, I have my playbooks set to hosts: all and my hosts file is just a single group with all machines listed:
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What is the purpose of Verifiable() in Moq?
...hat this was the goal and the only problem was figuring out why it wasn't working, but as @Liam prodded, the answer should really touch on this too:- The key use cases as far as I can see are:
maintaining DRYness between a mock.Setup() and mock.Verify
allowing one to disconnect the configuring of ...
Get the date (a day before current time) in Bash
How can I print the date which is a day before current time in Bash?
17 Answers
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Event listener for when element becomes visible?
...none . Is there a way i can put an event listener on my toolbar to listen for when it becomes visible so it can initialize? or will I have to pass it a variable from the containing page?
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How to shrink the .git folder
...ot recommended).
you can call git gc --aggressive --prune, which will perform garbage collection in your repository and prune old objects. do you have a lot of binary files (archives, images, executables) which change often? those usually lead to huge .git folders (remember, git stores snapshots fo...
Scatterplot with too many points
... of the plot is a function of the number of points in an region? In other words, instead of showing individual points, I want the plot to be a "cloud", with the more the number of points in a region, the darker that region.
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In HTML5, is the localStorage object isolated per page/domain?
Is the HTML5 localStorage object isolated per page/domain? I am wondering because of how I would name localStorage keys. Do I need a separate prefix? Or can I name them whatever I want?
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View differences of branches with meld?
...state with meld . . But how can I view the differences between branches, for example master and devel with meld?
8 Ans...
Given a view, how do I get its viewController?
...es.
The controller, on the other hand, knows which view it's responsible for (self.view = myView), and usually, this view delegates methods/events for handling to the controller.
Typically, instead of a pointer to your view, you should have a pointer to your controller, which in turn can either ex...