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What is a serialVersionUID and why should I use it?
...ion runtime will calculate a default serialVersionUID value for that class based on various aspects of the class, as described in the Java(TM) Object Serialization Specification. However, it is strongly recommended that all serializable classes explicitly declare serialVersionUID values, since the d...
How to programmatically close a JFrame
...at at application's quit point.
For example, if your application is frame based, you can add listener WindowAdapter and and call System.exit(...) inside its method windowClosing(WindowEvent e).
Note: you must call System.exit(...) otherwise your program is error involved.
Avoiding unexpected j...
What is the right way to override a setter method in Ruby on Rails?
...is also suggesting to use super like this:
class Model < ActiveRecord::Base
def attribute_name=(value)
# custom actions
###
super(value)
end
end
===========================================================================
Original Answer
If you want to override the setter me...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
...ar sees this change and calls $formatters to create an updated $viewValue (based on the new $modelValue) to be sent to the DOM.
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AngularJS changes URLs to “unsafe:” in extension page
...y idea what regular expression i shall use ? I am capturing a image/png as base64 url. Now the html looks like : <img ng-src="data:," class="img-responsive" src="data:,"> instead of the actual base64 url
– hakuna
Feb 29 '16 at 17:31
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What does “hashable” mean in Python?
...hus hashable), because they inherit the methods from object (the universal base-class).
– Eli Korvigo
Mar 1 '19 at 19:19
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What is the difference between \r and \n?
...
"\r" => Return
"\n" => Newline or Linefeed
(semantics)
Unix based systems use just a "\n" to end a line of text.
Dos uses "\r\n" to end a line of text.
Some other machines used just a "\r". (Commodore, Apple II, Mac OS prior to OS X, etc..)
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Should I git ignore xcodeproject/project.pbxproj file?
...working on project from different machines;
You'll want to share your code base with others;
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Angularjs Template Default Value if Binding Null / Undefined (With Filter)
...Just in case you want to try something else. This is what worked for me:
Based on Ternary Operator which has following structure:
condition ? value-if-true : value-if-false
As result:
{{gallery.date?(gallery.date | date:'mediumDate'):"Various" }}
...
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
I'm trying to migrate a MySQL-based app over to Microsoft SQL Server 2005 (not by choice, but that's life).
11 Answers
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