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Why does Convert.ToString(null) return a different value if you cast null?
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Following on from JaredPar's excellent overload resolution answer - the question remains "why does Convert.ToString(string) return null, but Convert.ToString(object) return string.Empty"?
And the answer to that is...because the docs say so:
Convert.ToSt...
How can I upload files asynchronously?
...pRequest (Ajax). You can simulate the effect using an iframe or Flash. The excellent jQuery Form Plugin that posts your files through an iframe to get the effect.
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What does numpy.random.seed(0) do?
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@Jonathan Excellent point about numpy.random.seed(None). I updated the answer with that info and a link to the docs.
– John1024
Apr 10 '17 at 0:21
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Using Jasmine to spy on a function without an object
...ne.createSpy('saveAs');
})
it('should generate the excel on sample request details page', () => {
spyOn(saveAsFunctions, 'saveAs').and.callFake(saveAs);
expect(saveAsFunctions.saveAs).toHaveBeenCalled();
})
This worked for me.
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Progress indicator during pandas operations
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Excellent, glad it helped. I was actually surprised at the slow down (when I tried an example), I expected it to be a lot worse.
– Andy Hayden
Sep 4 '13 at 20:33
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SSL certificate rejected trying to access GitHub over HTTPS behind firewall
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Excellent answer, you can skip hand-editing the ~/.gitconfig file with the following command: git config --global http.sslCAinfo "$HOME/certs/cacert.pem"
– Aron Ahmadia
Oct 25 '13 at 21:...
JavaScript/jQuery to download file via POST with JSON data
...u can open a new window and put content there, but not sure about a PDF or Excel...
– Marçal Juan
Jan 23 '15 at 11:07
2
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What's the optimum way of storing an NSDate in NSUserDefaults?
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Excellent. That was my instinct, but I'd seen third party code by a respected dev that used the float method so I thought there would be some good reason he'd used it. Obviously not. Thanks again for your answer!
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What is the best project structure for a Python application? [closed]
...thon Project the Right Way.
Let me excerpt the project layout part of that excellent article:
When setting up a project, the layout (or directory structure) is important to get right. A sensible layout means that potential contributors don't have to spend forever hunting for a piece of code; file l...
std::unique_ptr with an incomplete type won't compile
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excellent answer, just to note; we can still use the default constructor/destructor by placing e.g. foo::~foo() = default; in the src file
– assem
Jan 19 '14 at 6:29
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