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Programming Articles
Page 2428 of 2547
How to use remote python modules?
There are ways to import Python modules remotely. It is not recommended to do so though as it will slow down your app. You can use the knockout module to achieve this. To install knockout use:$ pip install knockoutNow in order to import modules remotely, you can use knockout like:>>> from knockout import urlimport >>> urlimport.register() Url importing enabled. Add urls to sys.path.A valid url looks like this: http://example.com/path/to/repository/#packagenameThis stuff is experimental, use at your own risk. Enjoy.>>> import sys >>> sys.path.insert(0, 'http://www.crummy.com/software/BeautifulSoup/download/3.x/BeautifulSoup-3.0.8/#BeautifulSoup') >>> import BeautifulSoup ... >>> BeautifulSoup If you are not able to install modules on a machine(due ...
Read MoreConvert Iterator to Iterable in Java
Let’s say the following is our Iterator with Integer values −Iteratoriterator = Arrays.asList(20, 40, 60, 80, 100, 120, 150, 200).iterator();Now, convert the Iterator to Iterable −Iterableiterable = StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, 0),false).collect(Collectors.toList());ExampleFollowing is the program to convert Iterator to Iterable in Java −import java.util.*; import java.util.stream.Collectors; import java.util.stream.StreamSupport; public class Demo { public static void main(String[] args) { Iteratoriterator = Arrays.asList(20, 40, 60, 80, 100, 120, 150, 200).iterator(); Iterableiterable = StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, 0), false).collect(Collectors.toList()); System.out.println("Iterable = "); iterable.forEach(System.out::println); } }OutputIterable = 20 40 60 80 100 120 150 200
Read MoreConvert an Iterator to Stream in Java
At first, set an Interator −Iteratoriterator = Arrays.asList(50, 100, 200, 400, 500, 1000).iterator();Now, we have used stream −Streamstream = convertIterator(iterator);Above, the method convertIterator() is used for conversion. Following is the method −public static Stream convertIterator(Iterator iterator) { return StreamSupport.stream(((Iterable) () -> iterator).spliterator(), false); }ExampleFollowing is the program to convert an Iterator to Stream in Java −import java.util.stream.*; import java.util.*; public class Demo { public static Stream convertIterator(Iterator iterator) { return StreamSupport.stream(((Iterable) () -> iterator).spliterator(), false); } public static void main(String[] args) { Iteratoriterator = Arrays.asList(50, 100, 200, ...
Read MoreConvert a Set of String to a comma separated String in Java
Let us first create a set with string values −Setset = new HashSet(Arrays.asList("One", "Two", "Three", "Four", "Five", "Six"));Now, convert it to a comma separated string using String.join() −String str = String.join(", ", set);ExampleFollowing is the program to convert set of string to a comma separated string in Java −import java.util.*; public class Demo { public static void main(String args[]) { Setset = new HashSet(Arrays.asList("One", "Two", "Three", "Four", "Five", "Six")); System.out.println("Set = " + set); String str = String.join(", ", set); System.out.println("Comma separated String: "+ str); } ...
Read MoreConvert a List of String to a comma separated String in Java
At first, let’s say the following is our List of String −List myList = new ArrayList(Arrays.asList("One", "Two", "Three", "Four"));Now, convert this to a comma separated string using String.join()String str = String.join(", ", myList);ExampleFollowing is the program to convert List of String to a comma separated String in Java −import java.util.*; public class Demo { public static void main(String args[]) { List myList = new ArrayList(Arrays.asList("One", "Two", "Three", "Four")); System.out.println("List = " + myList); // comma separated String str = String.join(", ", myList); System.out.println("String (Comma ...
Read MoreConversion of Java Maps to List
At first, let us create a Java Map and initialize −Map map = new HashMap(); map.put(1, "Tom"); map.put(2, "John"); map.put(3, "Kevin"); map.put(4, "Jacob"); map.put(5, "Ryan");Now, convert the Map to List −ArrayList key = new ArrayList(map.keySet()); ArrayList value = new ArrayList(map.values());ExampleFollowing is the program to convert Maps to List in Java −import java.util.HashMap; import java.util.ArrayList; import java.util.Map; public class Demo { public static void main(String args[]) { Map map = new HashMap(); map.put(1, "Tom"); map.put(2, "John"); map.put(3, "Kevin"); map.put(4, "Jacob"); map.put(5, "Ryan"); ...
Read MoreProgram to convert Boxed Array to Stream in Java
A boxed array is an array which is defined in the form of an object, instead of the primitives.ExampleFollowing is the program to convert Boxed Array to Stream in Java −import java.util.*; import java.util.stream.*; public class Demo { public static void main(String args[]) { String arr[] = { "Laptop", "Mobile", "Notebook", "Desktop" }; System.out.println("Array = "+ Arrays.toString(arr)); Streams = Stream.of(arr); System.out.println("Stream (array to stream) = "+ Arrays.toString(s.toArray())); } }OutputArray = [Laptop, Mobile, Notebook, Desktop] Stream (array to stream) = [Laptop, Mobile, Notebook, Desktop]
Read MoreConvert an ArrayList of String to a String array in Java
At first, let us set an ArrayList of string −ArrayList arrList = new ArrayList(); arrList.add("Bentley"); arrList.add("Audi"); arrList.add("Jaguar"); arrList.add("Cadillac");Now, use toArray() to convert to a string array −int size = arrList.size(); String res[] = arrList.toArray(new String[size]);ExampleFollowing is the program to convert an ArrayList of String to a String array in Java −import java.util.*; public class Demo { public static void main(String[] args) { ArrayList arrList = new ArrayList(); arrList.add("Bentley"); arrList.add("Audi"); arrList.add("Jaguar"); arrList.add("Cadillac"); arrList.add("Mazda"); arrList.add("Land Rover"); arrList.add("Porsche"); ...
Read MoreConvert String into comma separated List in Java
At first, set a list with string values −List myList = new ArrayList( Arrays.asList("One", "Two", "Three", "Four"));Now, use String.join() to set them as a comma separated list −String str = String.join(", ", myList);ExampleFollowing is the program to convert string into comma separated List in Java −import java.util.*; public class Demo { public static void main(String args[]) { List myList = new ArrayList(Arrays.asList("One", "Two", "Three", "Four")); System.out.println("List = " + myList); // comma separated String str = String.join(", ", myList); System.out.println("String (Comma Separated) = " ...
Read MoreConvert Set of String to Array of String in Java
At first, create a Set of string −Set setStr = new HashSet(Arrays.asList("osCommerce", "PrestaShop", "Magento", "Wordpres", "Drupal"));Now, use the toArray() method to convert to array of string −String[] arrStr = setStr.toArray(new String[0]);ExampleFollowing is the program to convert Set of String to Array of String in Java −import java.util.Arrays; import java.util.Set; import java.util.HashSet; public class Demo { public static void main(String[] args) { Set setStr = new HashSet( Arrays.asList("osCommerce", "PrestaShop", "Magento", "Wordpres", "Drupal")); System.out.println("Set of String: " + setStr); String[] arrStr = setStr.toArray(new String[0]); System.out.println("Array ...
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