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How to pass arguments into a Rake task with environment in Rails? [duplicate]
...ironment using the :needs option. For example:
desc "Testing environment and variables"
task :hello, :message, :needs => :environment do |t, args|
args.with_defaults(:message => "Thanks for logging on")
puts "Hello #{User.first.name}. #{args.message}"
end
Updated per @Peiniau's comment...
Edit changeset comment after updates have been checked in to TFS
I have just switched to VS2012 and being unfamiliar with it, checked in some major changes without a comment. No other updates have been done since then and no other developers will have access to the code for another few hours.
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How to solve the error LNK2019: unresolved external symbol - function?
...to your problem is that when building your UnitTest1 project, the compiler and linker have no idea that function.cpp exists, and also have nothing to link that contains a definition of multiple. A way to fix this is making use of linking libraries.
Since your unit tests are in a different project,...
What is __main__.py?
...hat is the __main__.py file for, what sort of code should I put into it, and when should I have one?
5 Answers
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How to generate random SHA1 hash to use as ID in node.js?
...o create a HMAC-SHA1 hash?
I'd create a hash of the current timestamp + a random number to ensure hash uniqueness:
var current_date = (new Date()).valueOf().toString();
var random = Math.random().toString();
crypto.createHash('sha1').update(current_date + random).digest('hex');
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Most efficient T-SQL way to pad a varchar on the left to a certain length?
...right('XXXXXXXXXXXX'+ rtrim(@str), @n)
where X is your padding character and @n is the number of characters in the resulting string (assuming you need the padding because you are dealing with a fixed length).
But as I said you should really avoid doing this in your database.
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How to access data/data folder in Android device?
I am developing an app and I know my database *.db will appear in data/data/com.****.***
18 Answers
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How to create a fixed-size array of objects
...st to initialize it empty, then I would put Sprites in the first 16 cells, and the last 16 cells (simulating an chess game).
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Check if character is number?
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I also came up with this. Why is no one using it, and instead making complicated comparisons? Will this not work in some cases?
– user826955
Oct 9 '17 at 6:43
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Safe String to BigDecimal conversion
... the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it?
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