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What is __gxx_personality_v0 for?
This is a second-hand question from an OS development site, but it made me curious since I couldn't find a decent explanation anywhere.
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How can I check if a string represents an int, without using try/except?
...he code above to work in Python 3.5, and to include the check_int function from the currently most voted up answer, and to use the current most popular regex that I can find for testing for integer-hood. This regex rejects strings like 'abc 123'. I've added 'abc 123' as a test value.
It is Very Int...
How are Python's Built In Dictionaries Implemented?
... I usually know what I'm talking about. But I think you can get that point from one of Raymond Hettinger's talks.
– Aaron Hall♦
Sep 29 '17 at 22:23
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How do sessions work in Express.js with Node.js?
...e like a placeholder for the session than a holder of actual session data.
From here, it looks like this session data on the server is by default held in memory, although that could be altered to whatever storage form implements the appropriate API.
So if you want to check things without a specifi...
Should I be concerned about excess, non-running, Docker containers?
...work like so:
sudo docker run -i -t --rm ubuntu /bin/bash
When you exit from the container it will be automatically removed.
You can test this by listing your docker containers in one terminal window:
watch -n1 'sudo ls -c /var/lib/docker/containers'
And then in another window run this comman...
What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
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-1 When copying from another source, at least give credit. This is a blatant word-for-word copy from Pro ASP.NET MVC 3 Framework (or at least a newer edition).
– Robotron
Apr 2 '17 at 10:02
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...e caveats:
Let's use a real-world example I faced today: renaming a model from 'Merchant' to 'Business.'
Don't forget to change the names of dependent tables and models in
the same migration. I changed my Merchant and MerchantStat models to Business and BusinessStat at the same time. Otherwise I'...
npm - how to show the latest version of a package
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a nice video explains how outdated and update work from NPM docs.npmjs.com/getting-started/updating-local-packages
– Metropolis
Sep 10 '18 at 5:21
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Git command to display HEAD commit id?
... using these commands in a (large) git repo, I get two lines from git show-ref --heads and 6290 lines from git show-ref --head. so if you want just a single hash, this gives maybe not the intended result.
– Remigius Stalder
Jun 15 '17 at 8:47
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How do you tell Resharper that a method parameter is a string containing a CSS class?
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Use [ValueProvider]
From the Code Annotations currently supported by Resharper 10, the best candidate would to use this attribute. From the above link:
ValueProviderAttribute
For a parameter that is expected to be one of the limited s...