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Sort Go map values by keys
...erating over a map with a range loop, the iteration order is
not specified and is not guaranteed to be the same from one iteration
to the next. Since Go 1 the runtime randomizes map iteration order, as
programmers relied on the stable iteration order of the previous
implementation. If you require a ...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
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I'll disagree with Chris's answer in one regard. The classes Any, AnyRef and AnyVal are classes. But they don't appear as classes in bytecode, because of intrinsic limitations of the JVM.
This arises out of the fact that not everything in Java is an object. In addition to objects, there are primi...
Cast Object to Generic Type for returning
...y way to use .isArray() inside convertInstanceOfObject() in the someObject and extract the class (as the intArrayType) from it by reflection and then call an internal private method passing those? But even doing this, I must to create an empty array and pass it in the public method, right?
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Get value from JToken that may not exist (best practices)
... exactly the behavior you want if you combine it with nullable value types and the ?? operator:
width = jToken.Value<double?>("width") ?? 100;
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How to format current time using a yyyyMMddHHmmss format?
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I did not know the sequential mnemonic, handy, but come on why is it not the 1st February...
– silasdavis
Aug 10 '18 at 13:08
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Check if a table exists in Rails
...came explicit regarding tables/views, collectively data sources.
# Tables and views
ActiveRecord::Base.connection.data_sources
ActiveRecord::Base.connection.data_source_exists? 'kittens'
# Tables
ActiveRecord::Base.connection.tables
ActiveRecord::Base.connection.table_exists? 'kittens'
# Views
Ac...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
I've just started learning Ruby and Ruby on Rails and came across validation code that uses ranges:
5 Answers
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How to enter command with password for git pull?
I want to do this command in one line:
6 Answers
6
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Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
I'm trying out Android Studio. Upon creating a new project and adding a default onSaveInstanceState method to the create MyActivity class, when I try to commit the code to Git, I get a strange error I don't understand. The code is this:
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How do I manipulate a variable whose name conflicts with PDB commands?
...be omitted unless the first word of the statement resembles a debugger command. [...]
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