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String Concatenation in JAVA

Let's say you have 1000 numbers and you want to concatenate all of them to a String. The Naive approach is using a concatenate operator (+)........
String Concatenation in JAVA

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Hello, hello.

Help in a project

Request to help with a project already done partially (Android Studio) but left with two functionalities required & a review to the db that we are using (Realm)

Modifications of Android Project Using Realm

Additional tasks of a proj

Develop App in PhoneGap

Make a app same as Native
Develop App in PhoneGap
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any one help me basic to learn node.js langauage how to start and simple CRUD operation in this programming language.

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I have a GUI project and I'm almost done just need help with 2 things 1-how to apply login window for main windwo and 2) how to open a menubar window by clicking a button from main menu. Please anyhelp...
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Editing Template(s) of Yith PDF Invoice (WooCommerce Extension)

Editing templates of Yith PDF Invoice plugin for WooCommerce using template overrides and accessible variables.
Editing Template(s) of Yith PDF Invoice (WooCommerce Extension)
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