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Jennifer Nicholas has Published 329 Articles
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
2K+ Views
How to add checkbox list in alert dialog?This example demonstrates How to add checkbox list in the alert dialogStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
18K+ Views
The virtual mechanism works only when we have a base class pointer to a derived class object.In C++, the constructor cannot be virtual, because when a constructor of a class is executed there is no virtual table in the memory, means no virtual pointer defined yet. So, the constructor should ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
5K+ Views
This example demonstrate about How to get phone number in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
136 Views
Scrapy spiderScrapy spider is a class which provides the facility to follow the links of a website and extract the information from the webpages.This is the main class from which other spiders must inherit.ScrapinghubScrapinghub is an open source application to run Scrapy spiders. Scrapinghub turns web content into some useful ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
1K+ Views
This example demonstrates about Android Determine App Starts First Time OR Not Programmatically.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
3K+ Views
This example demonstrate about how to add radio button list in alert dialogStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
3K+ Views
IN this program we will see how to remove the trailing zeros from a string in C++. Sometimes some string may contain trailing zeros like "00023054". After executing this program, it will return "23054" only. The initial zeros are removed.Input: A string with trailing zeros “000023500124” Output: “23500124”AlgorithmStep 1: Get ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
2K+ Views
This example demonstrates How to use Bar chart graph in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Open build.gradle(module level) and add library dependency.apply plugin: 'com.android.application' android { ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
8K+ Views
Here we will discuss how to check the balanced brackets using stacks. We not only check the opening and closing brackets but also check the ordering of brackets. For an example we can say that the expression "[{} () {()}]" it is correct, but "{[}]" it is not correct.Input: Some ... Read More