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HashMap get/put complexity
...te information out of thin air. Having a data structure of n element I can select one element in n different way. With that, I can encode log(n) bit information. If I can encode that in zero bit (that is what O(1) means) then I created an infinitely compressing ZIP algorithm.
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The differences between .build, .create, and .create! and when should they be used?
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I'm selected this one as the most correct answer because of the mention on being able to link the associated models with them - that's an interesting and important difference I think over using .new and .save. Which takes a littl...
What is the “__v” field in Mongoose
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@diosney query.select('-__v'). @ExplosionPills you would need to add mongoose middleware like schema.pre('save', function (next) { this.increment(); next(); }).
– wprl
Dec 20 '13 at 19:02
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How to implement Enums in Ruby?
...a aren't interchangeable). There are many ways to itemize objects in Ruby; selecting the right one depends on the problem being solved. Slavishly replicating features you don't need is misguided. The correct answer has to depend on the context.
– user1164178
Fe...
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
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No need to check both, Select V1 if you are supporting OS 7.0 and below Check V2 if you are supporting the devices running on 7.0 and above.
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Can I apply a CSS style to an element name?
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You can use the attribute selector,
input[name="goButton"] {
background: red;
}
<input name="goButton">
Be aware that it isn't supported in IE6.
Update: In 2016 you can pretty much use them as you want, since IE6 is dead. http...
Enable SQL Server Broker taking too long
...rvice Broker enabled or disabled, then query sys.databases, for instance:
SELECT
name, database_id, is_broker_enabled
FROM sys.databases
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AngularJS : Prevent error $digest already in progress when calling $scope.$apply()
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Yesterday I've seen an issue where calling selectize.refreshItems() inside $timeout caused the dreaded recursive digest error. Any ideas how that could be?
– iwein
Mar 12 '14 at 6:02
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What does tree-ish mean in Git?
...e one that should be used for most of git commands.
More info in Revision Selection in the Git book.
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Create UIActionSheet 'otherButtons' by passing in array, not varlist
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}
//display action sheet
actionSheet.showInView(self.view)
To get value selected, add delegate to your ViewController :
class MyViewController: UIViewController, UIActionSheetDelegate
And implement the method "clickedButtonAtIndex"
func actionSheet(actionSheet: UIActionSheet, clickedButtonAt...