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sqlite alter table add MULTIPLE columns in a single statement
...MULTIPLE columns in a single statement in sqlite?
The following would not work.
4 Answers
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How do you install ssh-copy-id on a Mac?
...Mac. I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install?
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Numpy array dimensions
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Note: shape might be more accurately described as an attribute than as a function, since it is not invoked using function-call syntax.
– Brent Bradburn
Apr 26 '12 at 2:00
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Create ArrayList from array
... it into a new ArrayList object will fix the size of the list. One of the more common reasons to use an ArrayList is to be able to dynamically change its size, and your suggestion would prevent this.
– Code Jockey
Sep 26 '11 at 19:04
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Best exception for an invalid generic type argument
I'm currently writing some code for UnconstrainedMelody which has generic methods to do with enums.
11 Answers
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Static implicit operator
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This is a conversion operator. It means that you can write this code:
XmlBase myBase = new XmlBase();
XElement myElement = myBase;
And the compiler won't complain! At runtime, the conversion operator will be executed - passing myBase in as the argum...
Rails - Nested includes on Active Records?
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I believe the following should work for you.
Event.includes(users: :profile)
If you want to include an association (we'll call it C) of an already included association (we'll call it B), you'd use the syntax above. However, if you'd like to include D as ...
Variable's scope in a switch case [duplicate]
I think I don't understand how the scope works in a switch case.
7 Answers
7
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JSON.stringify output to div in pretty print way
... pre tells the browser engine that the content inside is pre-formatted and it can be displayed without any modification. So browser will not remove white spaces, new lines etc. code is for making it more semantic and denotes that the content inside is a code snippet. It has nothing to ...
Checking if a folder exists (and creating folders) in Qt, C++
In Qt, how do I check if a given folder exists in the current directory?
If it doesn't exist, how do I then create an empty folder?
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