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How to “test” NoneType in python?
...ariable has None in it or not.
Quoting from is docs,
The operators is and is not test for object identity: x is y is true if and only if x and y are the same object. x is not y yields the inverse truth value.
Since there can be only one instance of None, is would be the preferred way to check...
What is ViewModel in MVC?
I am new to ASP.NET MVC. I have a problem with understanding the purpose of a ViewModel.
14 Answers
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What steps should I take to protect my Google Maps API Key?
...ther users.
So :
There is nothing you can do ; this is the way it works
And there is not much you should worry about, I'd say.
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“Unable to find manifest signing certificate in the certificate store” - even when add new key
...
I've finally found the solution and really hope this helps someone else too.
Edit the .csproj file for the project in question.
Delete the following lines of code:
<PropertyGroup>
<ManifestCertificateThumbprint>...........</ManifestCer...
jQuery get specific option tag text
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Thank you for this nickf. Here is this answer expanded if you want to get the value dynamically: var selectValue = document.getElementById('list').value; var selectOption = $("#list option[value=" + selectValue + "]").text(); ///good example nickf.
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Removing empty lines in Notepad++
How can I replace empty lines in Notepad++? I tried a find and replace with the empty lines in the find, and nothing in the replace, but it did not work; it probably needs regex.
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Git repository broken after computer died
My computer went dead and now one of my git repositories is broken. When I try to checkout master it tells me:
15 Answers
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How can I test what my readme.md file will look like before committing to github?
...tepag seems to be down now. Personally I use Dillinger since it just works and saves all my documents in my browser's local database.
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Simulating Slow Internet Connection
...ndows, fiddler is a great tool. It has a setting to simulate modem speed, and for someone who wants more control has a plugin to add latency to each request.
I prefer using a tool like this to putting latency code in my application as it is a much more realistic simulation, as well as not making m...
Codesign error: Certificate identity appearing twice
...had the same problem.
It has been fixed.
It came after I submitted an app and installed a few certificates to sign the app.
Quick Fix:
Open up KEYCHAIN ACCESS > click on MY CERTIFICATES> in there you will probably see
iPhone Developer: . You will probably see it TWICE!
Select the one with ...