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What is Hindley-Milner?
... // For identifiers...
SExpressionSyntax.Token("[\\$_A-Za-z][\\$_0-9A-Za-z\\-]*", SExpressionSyntax.NewSymbol),
// ... and such
SExpressionSyntax.Token("[\\!\\&\\|\\<\\=\\>\\+\\-\\*\\/\\%\\:]+", SExpressionSyntax.NewSymbol)
);
va...
Difference between DateTime and Time in Ruby
...value describing the number of seconds since January 1, 1970 UTC, a thin wrapper around a POSIX-standard time_t value, and is bounded:
Time.at(0x7FFFFFFF)
# => Mon Jan 18 22:14:07 -0500 2038
Time.at(-0x7FFFFFFF)
# => Fri Dec 13 15:45:53 -0500 1901
Newer versions of Ruby are able to handle l...
What's the idiomatic syntax for prepending to a short python list?
...
If you can go the functional way, the following is pretty clear
new_list = [x] + your_list
Of course you haven't inserted x into your_list, rather you have created a new list with x preprended to it.
share
...
Difference between $.ajax() and $.get() and $.load()
... post as I need it.
POST has the following structure:
$.post(target, post_data, function(response) { });
GET has the following:
$.get(target, post_data, function(response) { });
LOAD has the following:
$(*selector*).load(target, post_data, function(response) { });
As you can see, there ar...
How can I rename a database column in a Ruby on Rails migration?
...ing
end
end
For Rails 3.1 use:
While, the up and down methods still apply, Rails 3.1 receives a change method that "knows how to migrate your database and reverse it when the migration is rolled back without the need to write a separate down method".
See "Active Record Migrations" for more i...
Understanding reference counting with Cocoa and Objective-C
...easing the string on to the thread's NSAutoreleasePool, which will
// happen at some later time. The consequence is that the returned string
// will still be valid for the caller of this function.
return [s autorelease];
}
I realize all of this is a bit confusing - at some point, tho...
Default implementation for Object.GetHashCode()
...ect* obj) {
CONTRACTL
{
THROWS;
DISABLED(GC_NOTRIGGER);
INJECT_FAULT(FCThrow(kOutOfMemoryException););
MODE_COOPERATIVE;
SO_TOLERANT;
}
CONTRACTL_END;
VALIDATEOBJECTREF(obj);
DWORD idx = 0;
if (obj == 0) ...
Executing multi-line statements in the one-line command-line?
...ng a statement were an issue, this would work, but it doesn't:
python -c "__import__('sys'); for r in range(10): print 'rob'"
For your very basic example, you could rewrite it as this:
python -c "import sys; map(lambda x: sys.stdout.write('rob%d\n' % x), range(10))"
However, lambdas can only e...
Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...nning under the Package Manager Console: get-package | % { update-package $_.Id -reinstall -ProjectName $_.ProjectName -ignoreDependencies }
– Kaleb Pederson
May 6 '16 at 19:18
...
View markdown files offline [closed]
...g many .md files. And instant preview, without having to toggle to another app is always a plus.
– dval
Oct 13 '15 at 14:12
...