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Is there a simple, elegant way to define singletons? [duplicate]
...on. One annoyance about module level interfaces is managing the imports. For example, Python logging is a module level interface. In order to ensure you fully clean up after logging you must call logging.shutdown(). This means you must import logging into the module which calls shutdown. If it ...
How can I change a secret Gist to public?
...e a new option to toggle the visibility between Public and Secret.
The URL for your Gist will never change, just its visibility.
As commented by GiDo though, since 2016:
you can only make public a gist that was previously private.
When it is public it will stay public.
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How do I get the number of days between two dates in JavaScript?
How do I get the number of days between two dates in JavaScript? For example, given two dates in input boxes:
37 Answers
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How to align texts inside of an input?
For all default inputs, the text you fill starts on the left. How do you make it start on the right?
7 Answers
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The backend version is not supported to design database diagrams or tables
...ng version of SSMS(Sql Server Management Studio). Use the version designed for your database version. You can use the command select @@version to check which version of sql server you are actually using. This version is reported in a way that is easier to interpret than that shown in the Help About ...
ng-repeat finish event
...ex, $first, $middle and $last properties you can use to trigger events. So for this HTML:
<div ng-controller="Ctrl" my-main-directive>
<div ng-repeat="thing in things" my-repeat-directive>
thing {{thing}}
</div>
</div>
You can use directives like so:
angular.modul...
unobtrusive validation not working with dynamic content
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If you try to parse a form that is already parsed it won't update
What you could do when you add dynamic element to the form is either
You could remove the form's validation and re validate it like this:
var form = $(formSelector)
.remove...
Stretch child div height to fill parent that has dynamic height
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Add the following CSS:
For the parent div:
style="display: flex;"
For child div:
style="align-items: stretch;"
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How do you discover model attributes in Rails?
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For Schema related stuff
Model.column_names
Model.columns_hash
Model.columns
For instance variables/attributes in an AR object
object.attribute_names
object.attribute_present? ...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ving a devil of a time finding a comparison of the different ways to query for a single item, and when to use each.
6 Answe...