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How to check if a string is a valid date
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require 'date'
begin
Date.parse("31-02-2010")
rescue ArgumentError
# handle invalid date
end
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Command prompt won't change directory to another drive
...ttempt to change to a directory on a different drive, it would give you an error message saying "ERROR - the file you're trying to access resides on another driver. Specify -d..."
– committedandroider
Oct 22 '19 at 22:21
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How to implement an abstract class in ruby?
...FILE__, __LINE__)
def #{name}(*args)
raise NotImplementedError.new("You must implement #{name}.")
end
END
# important that this END is capitalized, since it marks the end of <<-END
end
end
end
require 'rubygems'
require 'rspec'
describe "abstract m...
Check if object is a jQuery object
...o be declared in order for the typeof operator to work without throwing an error.
– Patrick Roberts
Aug 17 '15 at 19:05
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show 4 more commen...
Is it valid to replace http:// with // in a ?
...ics script to be loaded through https on IE6 would result in a certificate error.
– Eilistraee
Feb 20 '12 at 14:49
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UIView bottom border?
...ore framework to your project if you don't have it as you may get compiler errors.
– Flea
Apr 26 '13 at 17:43
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Open Sublime Text from Terminal in macOS
...then the next set of steps will NOT work. If nothing happens or you get an error from Terminal it will be because it couldn't find the Sublime Text application. This would mean that you would have to check what you've typed (spelling, etc.) OR that Sublime Text isn't installed!
Check ".bash_profile"...
@synthesize vs @dynamic, what are the differences?
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I was getting NSUnknownKeyException errors with my dynamic property when I removed the @synthesize line (Xcode 3.2 was giving me an error b/c I had no matching ivar for my @property). Adding @dynamic fixed the issue - compiles and runs fine now. Thanks!
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Any way to break if statement in PHP?
...on should have "1 way in" and "1 way out". Multiple RETURNS is sloppy and error prone.
– Old Man Walter
May 31 '18 at 6:17
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How to send FormData objects with Ajax-requests in jQuery? [duplicate]
...on(data, textStatus, jqXHR) {
//process data
},
error: function(data, textStatus, jqXHR) {
//process error msg
},
});
You can also manually pass the form element inside the FormData object as a parameter like this
var formElem = $("#formId");
var form...