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How do I Convert DateTime.now to UTC in Ruby?
...his:
d = DateTime.now
d.new_offset(Rational(0, 24))
You can switch back from UTC to localtime using:
d.new_offset(DateTime.now.offset)
where d is a DateTime object in UTC time. If you'd like these as convenience methods, then you can create them like this:
class DateTime
def localtime
n...
Nullable ToString()
...y with nullables is the null coalescing operator,. which also protects you from nulls. For ToString() it's not necessary (as you pointed out) but for default int values (for example) it works nicely, e.g.:
int page = currentPage ?? 1;
that lets you do all the integer operations on page w/o first...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...nately, that doesn't help you if you want to build LALR parsers. Switching from LALR to LL simply to take advantage of ANTLRworks may well be worthwhile, but for some people, switching grammar types can be a very painful experience. In other words: YMMV.
...
ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)
...entity.Name.ToString())); // Call another method to get rights of the user from DB
return privilegeLevels.Contains(this.AccessLevel);
}
}
You can redirect an unauthorised user in your custom AuthorisationAttribute by overriding the HandleUnauthorizedRequest method:
protect...
How to turn off CodeLens-References
...estion where to look. But I thought I'd leave this comment in case anybody from Microsoft comes along. IMHO clutter is undesirable and you could have that same information in a rollover popup.
– Code Dude
Dec 20 '18 at 20:07
...
Make column not nullable in a Laravel migration
...sing the schema builder to modify an existing DB, not just creating tables from scratch.
– Sean the Bean
Jan 25 '13 at 19:29
3
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Go Unpacking Array As Arguments
...
https://play.golang.org/p/2nN6kjHXIsd
I had a reason to unpack some vars from a map[string]string with single quotes around some of them as well as without. Here's the logic for it and the play link up top has the full working snippet.
func unpack(a map[string]string) string {
var stmt, val stri...
Positioning a div near bottom side of another div
...n block was disposed left in IE7. Can anyone explain where this 40px comes from?
– Roman
May 13 '09 at 13:51
IE7 was h...
Determine if string is in list in JavaScript
... @lmiguelmh How about the "polyfill" that I myself posted a link to, from the Mozilla docs themselves? In any case, this function is so dead simple that I'm really not too concerned about testing. And anyone who is, shouldn't take an "already tested" function but should test whatever they use,...
Assignment in an if statement
...n of variable assignment in the test is also used when reading byte blocks from streams, for example:
int bytesRead = 0;
while ((bytesRead = fs.Read(buffer, 0, buffer.Length)) > 0)
{
// ...
}
The pattern of variable scoping used above, however, is not a particularly common code pattern an...