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jQuery disable/enable submit button
...he [...] disabled state of form elements, use the .prop() method.
(http://api.jquery.com/attr/)
As for the disable on change part of the question: There is an event called "input", but browser support is limited and it's not a jQuery event, so jQuery won't make it work. The change event works re...
Difference between DOMContentLoaded and load events
...frames to finish loading according to developer.mozilla.org/en-US/docs/Web/API/Window/…. Do you know if these images/subframes/sub resources are called by the Render Tree after it was built, or were they already called by the DOM tree while the render tree was still being built? In other words, do...
Hibernate lazy-load application design
...rently as possible (e.g. OpenSessionInViewFilter for webapps);
have common API for threads/thread pools where db session bind/unbind is done somewhere high in the hierarchy (wrapped in try/finally) so subclasses don't have to think about it;
when passing objects between threads, pass IDs instead of ...
How do you remove a Cookie in a Java Servlet
...he duration of the session. You want to set MaxAge to 0 instead.
From the API documentation:
A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted.
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What is the best way to dump entire objects to a log in C#?
... In .NET Core 3.1 and .NET 5+, you can also use out of the box API System.Text.Json.JsonSerializer.Serialize(yourObject).
– vulcan raven
Sep 18 at 10:11
add a comm...
Data access object (DAO) in Java
...Object Pattern or DAO pattern is used to separate low level data accessing API or operations from high level business services. Following are the participants in Data Access Object Pattern.
Data Access Object Interface - This interface defines the standard operations to be performed on a model obje...
req.query and req.param in ExpressJS
...less you truly accept input from each object.
Ref:http://expressjs.com/4x/api.html#req.param
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The smallest difference between 2 Angles
...cos(x-y))
It returns the signed delta angle. Note that depending on your API the order of the parameters for the atan2() function might be different.
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How to write to an existing excel file without overwriting data (using pandas)?
...
Yes, did you explore the docs? docs.xlwings.org/en/stable/api.html
– flyingmeatball
Mar 27 '18 at 13:30
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Change a column type from Date to DateTime during ROR migration
...uld throw a ActiveRecord::IrreversibleMigration exception. Only methods in api.rubyonrails.org/classes/ActiveRecord/Migration/… should be used in the change method.
– davekaro
Jan 9 '13 at 16:24
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