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Rails migration: t.references with alternative name?
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I also read that index is already added to foreign keys as of Rails stackoverflow.com/questions/39769981/…
– Jonathan Reyes
Apr 25 '18 at 5:44
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Static Vs. Dynamic Binding in Java
...s Dynamic Polymorphism or simply Polymorphism or Dynamic Binding.
You can read it more details on my article How Does JVM Handle Method Overloading and Overriding Internally.
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Install Gem from Github Branch?
... "v2.3.5"
Then you run bundle install or the short form is just bundle.
Read more about it here: http://bundler.io/man/gemfile.5.html#GIT
Update: There's a github source identifier.
gem 'country_select', github: 'stefanpenner/country_select'
However, they warn against using it: NOTE: This sho...
Generating a UUID in Postgres for Insert statement?
...he documentation for contrib modules in 8.4.
For Pg 9.1 and newer instead read the current contrib docs and CREATE EXTENSION. These features do not exist in 9.0 or older versions, like your 8.4.
If you're using a packaged version of PostgreSQL you might need to install a separate package containin...
iOS: Compare two dates
...OrderedSame) ...
Note that it might be easier in your particular case to read and write this :
if ([date2 isEqualToDate:date2]) ...
See Apple Documentation about this one.
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Is the pImpl idiom really used in practice?
I am reading the book "Exceptional C++" by Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementatio...
Python how to write to a binary file?
...sfile", "wb") as mypicklefile:
pickle.dump(mybytes, mypicklefile)
To read the data back, use the pickle.load method
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What's the meaning of interface{}?
...wnpost when i ask things.. people most of the time tell me that i should read the docs... i will recall your suggestion if i feel with will to properly write a post for it... but i really can't think on another way to ask. So thanks anyway and excuse my low will. You are welcome to take a look at ...
What are major differences between C# and Java?
...ommercial (e.g. IntelliJ IDEA)
Beyond that (and what's in your summary already):
Generics are completely different between the two; Java generics are just a compile-time "trick" (but a useful one at that). In C# and .NET generics are maintained at execution time too, and work for value types as ...
What is ApplicationException for in .NET?
...ases, as long as it is warranted. If you encounter a case where there is already an exception in the framework, use that, otherwise, roll your own.
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