Recent questions tagged singleton

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singleton - Single instance of Java class

I wanna create a single instance of a class. How can I create a single instance of a class in Java? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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singleton - What data (if any) persists across web-requests in Ruby on Rails?

I decided to use the singleton design pattern while creating a view helper class. This got me thinking; will the ... a class, Eigenclasses, ... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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282 views

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singleton object in react native

I'm new in react native.I want store multiple small small strings to common singleton object class and want to ... How can i implement it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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singleton - Defining my own None-like Python constant

I have a situation in which I'm asked to read collections of database update instructions from a variety of ... middle name was not supplied' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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singleton - How to avoid multiple instances of windows form in c#

How to avoid multiple instances of windows form in c# ?? i want only one instance of the form running. ... many pages of my application. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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