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How do you create a Swift Date object?
How do you create a date object from a date in swift xcode.
10 Answers
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Why aren't programs written in Assembly more often? [closed]
...any registers?
The converse of this question would be: What functionality do compilers provide?
I doubt you can/want to/should optimize your ASM better than gcc -O3 can.
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How to avoid null checking in Java?
... junior to intermediate developers tend to face at some point: they either don't know or don't trust the contracts they are participating in and defensively overcheck for nulls. Additionally, when writing their own code, they tend to rely on returning nulls to indicate something thus requiring the ...
Spring MVC: How to perform validation?
....validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the user input, and then passed to the validator?
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How do I get the number of elements in a list?
...nd library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
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How to select all records from one table that do not exist in another table?
... selection by picking only those rows in the result where the matching row does not exist. Finally, We ignore all fields from our result except for the name column (the one we are sure that exists, from table1).
While it may not be the most performant method possible in all cases, it should work in...
How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
...regardless of the value of the NODE_ENV environment variable.
Source: npm docs
Note: Before v3.3.0 of npm (2015-08-13), the option was called --production, i.e. npm install --production.
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How to make my custom type to work with “range-based for loops”?
... on compilers that implement the defect report changes, and compilers that do not.
The objects returned do not have to actually be iterators. The for(:) loop, unlike most parts of the C++ standard, is specified to expand to something equivalent to:
for( range_declaration : range_expression )
becom...
In Rails, how do you render JSON using a view?
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You should be able to do something like this in your respond_to block:
respond_to do |format|
format.json
render :partial => "users/show.json"
end
which will render the template in app/views/users/_show.json.erb.
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How do you run JavaScript script through the Terminal?
...r if you wanted to run a C program make filename then ./ filename . How do you do this with .js files?
15 Answers
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