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A cron job for rails: best practices?
...
I'm using the rake approach (as supported by heroku)
With a file called lib/tasks/cron.rake ..
task :cron => :environment do
puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command ...
What is the fastest integer division supporting division by zero no matter what the result is?
...x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl f
.type f, @function
f:
pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%...
Why are these constructs using pre and post-increment undefined behavior?
... concept of undefined behavior, i.e. some language constructs are syntactically valid but you can't predict the behavior when the code is run.
As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers w...
Is it possible to get CMake to build both a static and shared version of the same library?
Same source, all that, just want a static and shared version both. Easy to do?
5 Answers
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Swift make method parameter mutable?
...ment for var args than using inout which may have unintended side-effects, esp. if the var was a pointer.
– Echelon
Jun 23 '17 at 17:05
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List of Big-O for PHP functions
After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes.
...
Read a text file using Node.js?
...e.log(data)
});
To break that down a little for you process.argv will usually have length two, the zeroth item being the "node" interpreter and the first being the script that node is currently running, items after that were passed on the command line. Once you've pulled a filename from argv then...
How can I get Eclipse to show .* files?
... it somehow possible to only include the file named .gitignore but exclude all other files starting with .?
– Edward
Jan 8 '15 at 12:08
3
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jQuery Datepicker with text input that doesn't allow user input
...;asp:textbox> readonly attribute to "true"
– Russ Cam
Dec 1 '08 at 18:05
2
This does not preve...
git: fatal unable to auto-detect email address
...--global user.email "you@example.com"
Already been asked: Why Git is not allowing me to commit even after configuration?
To be sure Run:
$ git config --local -l
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