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What is a difference between
...tor uses the ? extends E form so it guarantees that when it fetches values from the collection, they will all be E or some subclass (i.e. it's compatible). The drainTo method is trying to put values into the collection, so the collection has to have an element type of E or a superclass.
As an exam...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
I created a Rails application, using Rails 4.1, from scratch and I am facing a strange problem that I am not able to solve.
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What algorithm does Readability use for extracting text from URLs?
... been trying to find a way of intelligently extracting the "relevant" text from a URL by eliminating the text related to ads and all the other clutter.After several months of researching, I gave it up as a problem that cannot be accurately determined. (I've tried different ways but none were reliabl...
What is a “cache-friendly” code?
...is crucial for performance since every cache miss results in fetching data from RAM (or worse ...) which takes a lot of time (hundreds of cycles for RAM, tens of millions of cycles for HDD). In comparison, reading data from the (highest level) cache typically takes only a handful of cycles.
In moder...
How do I read configuration settings from Symfony2 config.yml?
...ictly the question.
Later, I'll give an approach for getting those configs from services without ever passing via a common space as parameters.
FIRST APPROACH: Separated config block, getting it as a parameter
With an extension (more on extensions here) you can keep this easily "separated" into d...
How do I copy a version of a single file from one git branch to another?
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Run this from the branch where you want the file to end up:
git checkout otherbranch myfile.txt
General formulas:
git checkout <commit_hash> <relative_path_to_file_or_dir>
git checkout <remote_name>/<branch_na...
Extending the User model with custom fields in Django
...ow, mentioning that this is pretty drastic.]
I would definitely stay away from changing the actual User class in your Django source tree and/or copying and altering the auth module.
share
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improve...
How do I delete all messages from a single queue using the CLI?
How do I delete all messages from a single queue using the cli?
I have the queue name and I want to clean it.
9 Answers
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Convert java.time.LocalDate into java.util.Date type
...
Date date = Date.from(localDate.atStartOfDay(ZoneId.systemDefault()).toInstant());
That assumes your date chooser uses the system default timezone to transform dates into strings.
...
A cron job for rails: best practices?
...sts..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and answer! Some new info:
the heroku cron service ...