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What's the meaning of interface{}?
...rything has a Type. You can define a new type, let's call it T. Let's say now our Type T has 3 methods: A, B, C.
The set of methods specified for a type is called the "interface type". Let's call it in our example: T_interface. Is equal to T_interface = (A, B, C)
You can create an "interface type" ...
What are major differences between C# and Java?
...o be done in the "background".
I've been playing with Java/C# for a while now and, in my opinion, the major difference at the language level are, as you pointed, delegates.
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When to use a “has_many :through” relation in Rails?
...l same as the has_many relationship
has_many :group_memberships
end
Now you can treat it like a normal has_many, but get the benefit of the association model when you need it.
Note that you can also do this with has_one.
Edit: Making it easy to add a user to a group
def add_group(group, r...
Can I find out the return value before returning while debugging in Intellij?
...ere is a much better way. See answer from Birchlabs for details. It should now be the accepted answer.
– Mikezx6r
Nov 4 '19 at 13:15
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How was the first compiler written?
...the creation of the next set of tools is called (as mentioned by David Rabinowitz in his answer) bootstrapping.
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iTextSharp - Sending in-memory pdf in an email attachment
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I am working on it right now and let you know shortly. Thanks!
– Gus Cavalcanti
Jul 28 '09 at 20:28
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How can I use a local image as the base image with a dockerfile?
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I don't know any more, I'm also now on 1.5
– Anentropic
Apr 21 '15 at 12:37
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SQLite - How do you join tables from different databases?
...on that uses a SQLite database and everything works the way it should. I'm now in the process of adding new functionalities that require a second SQLite database, but I'm having a hard time figuring out how to join tables from the different databases.
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String.replaceAll single backslashes with double backslashes
...s tools to automatically escape text into target and replacement parts. So now we can focus only on strings, and forget about regex syntax:
replaceAll(Pattern.quote(target), Matcher.quoteReplacement(replacement))
which in our case can look like
replaceAll(Pattern.quote("\\"), Matcher.quoteReplac...
C char array initialization
...har buf[10];
declares and defines the array. The array identifier buf is now an address in memory, and you cannot change where buf points through assignment. So
buf = // anything on RHS
is illegal. Your second and third code fragments are illegal for this reason.
To initialize an array, y...