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Nullable Foreign Key bad practice?
Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...
“message failed to fetch from registry” while trying to install any module
...l -y nodejs
Note - the previous advice was to use Chris Lea's repo, he's now migrated that to nodesource, see:
https://chrislea.com/2014/07/09/joining-forces-nodesource/
https://nodesource.com/blog/chris-lea-joins-forces-with-nodesource
From: here
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Scala type programming resources
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(This is a lot like defining a val to be the result of a function.)
Now, suppose we want to define a value-level function def toInt[T <: Nat](v : T) which takes in an argument value, v, that conforms to Nat and returns an integer representing the natural number encoded in v's type. For exa...
how to convert from int to char*?
The only way I know is:
9 Answers
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Change text color based on brightness of the covered background area?
I've thought about the following for a while already, so now I want to know your opinions, possible solutions, and so on.
8...
Intellij IDEA Java classes not auto compiling on save
...enable it or click the checkbox next to it
Note: Restart your application now :)
Note: This should also allow live reload with spring boot devtools.
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How do I show a console output/window in a forms application?
...s that changing this mysterious Visual Studio setting does). Does anyone know how this works under the hood?
– uglycoyote
Aug 14 '18 at 22:45
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Abstract methods in Python [duplicate]
...e with Python. While the concept seems too easy for me in Java yet up till now I have been unable to understand in Python which is surprising to me at least.
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Splitting a string into chunks of a certain size
...meone that just wants to look at a solution to this problem. A person must now understand what the Enumerable.Range() and .Select() functions do. I will not argue that you should have an understanding of that to write C#/.NET code as these functions have been in the BCL for many years now.
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'Static readonly' vs. 'const'
...ed to, it may be wise to only use const for values that are actually well known constants if they are made public otherwise they should be reserved for internal, protected, or private access scope.
– jpierson
Mar 9 '11 at 18:38
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