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What happens to C# Dictionary lookup if the key does not exist?
I tried checking for null but the compiler warns that this condition will never occur. What should I be looking for?
9 Ans...
Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
I'm using the Android Compatibility library to implement fragments and have extended the layout sample so that a fragment contains a button which fires off another fragment.
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How can I set NODE_ENV=production on Windows?
In Ubuntu it's quite simple; I can run the application using:
18 Answers
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How to reference a file for variables using Bash?
I want to call a settings file for a variable, how can I do this in bash?
9 Answers
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MySQL table is marked as crashed and last (automatic?) repair failed
I was repairing this table suddenly server hanged and when I returned back all tables are ok but this one showing 'in use' and when I try to repair it doesn't proceed.
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How do I convert dates in a Pandas data frame to a 'date' data type?
I have a Pandas data frame, one of the column contains date strings in the format YYYY-MM-DD
10 Answers
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iOS Detection of Screenshot?
The app Snapchat , on the App Store, is an app that lets you share pictures with a self-destruct on them. You can only view the pics for X seconds. If you attempt to take a screenshot while the picture is showing using the home-power key combo, it will tell the sender you tried to take a screenshot...
ASP.NET MVC - Set custom IIdentity or IPrincipal
I need to do something fairly simple: in my ASP.NET MVC application, I want to set a custom IIdentity / IPrincipal. Whichever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properti...
How can I find all of the distinct file extensions in a folder hierarchy?
On a Linux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
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Which MySQL data type to use for storing boolean values
Since MySQL doesn't seem to have any 'boolean' data type, which data type do you 'abuse' for storing true/false information in MySQL?
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