Tutorial by Examples: re

#include opencv2/opencv.hpp> #include vector> using namespace std; using namespace cv; int main() { Mat3b img = imread("test.jpg"); imshow("Original", img); // Cluster int K = 8; int n = img.rows * img.cols; Mat data = img.reshape(1, n); data.convertTo(data, CV_32F); ...

To create a NSUserActivity object, your app must declare the types of activities it supports in its Info.plist file. Supported activities are defined by your application and should be unique. An activity is defined using a reverse-domain style naming scheme (i.e. "com.companyName.productName.ac...

For example without a barrel, a consumer would need three import statements: import { HeroComponent } from '../heroes/hero.component.ts'; import { Hero } from '../heroes/hero.model.ts'; import { HeroService } from '....

import tensorflow as tf # good idea tf.reset_default_graph() # DO MODEL STUFF # Pretrained weighting of 2.0 W = tf.get_variable('w', shape=[], initializer=tf.constant(2.0), dtype=tf.float32) # Model input x x = tf.placeholder(tf.float32, name='x') # Model output y = W*x y = tf.multiply(W,...

This example covers the implementation of ExtentReports in Selenium using TestNG, Java and Maven. ExtentReports are available in two versions, community and commercial. For the ease and demonstration purpose, we will be using community version. 1. Dependency Add the dependency in your Maven pom.x...

This example covers the implementation of Allure Reports in Selenium using TestNG, Java and Maven. Maven Configuration Repository Add following code to configure the jcenter repository <repository> <id>jcenter</id> <name>bintray</name> ...

Let's say Joe owns a website that allows you to log on, view puppy videos, and save them to your account. Whenever a user searches on that website, they are redirected to https://example.com/search?q=brown+puppies. If a user's search doesn't match anything, than they see a message along the lines ...

public class Equatable { public string field1; public override bool Equals(object obj) { if (ReferenceEquals(null, obj)) return false; if (ReferenceEquals(this, obj)) return true; var type = obj.GetType(); if (GetType() != type) re...

Ensure you met all requirements, as per Requirements Mount the temporary API filesystems: cd /location/of/new/root mount -t proc proc proc/ mount --rbind /sys sys/ mount --rbind /dev dev/ mount --rbind /run run/ (optionally) If you need to use an internet connection in the c...

root privileges another working Linux environment,such as Live CD boot or an existing distribution matching environment architectures of chroot source and destination (check current environment architecture with uname -m) kernel modules which you may need in chroot environment must be loaded (f...

Changing root is commonly done for performing system maintenance on systems where booting and/or logging in is no longer possible. Common examples are: reinstalling the bootloader rebuilding the initramfs image upgrading or downgrading packages resetting a forgotten password building softwar...

For creating custom annotations we need to decide Target - on which these annotations will work on like field level, method level, type level etc. Retention - to what level annotation will be available. For this, we have built in custom annotations. Check out these mostly used ones: @Target...

You can create a new notebook in RStudio with the menu command File -> New File -> R Notebook If you don't see the option for R Notebook, then you need to update your version of RStudio. For installation of RStudio follow this guide

When you execute code in a notebook, an indicator will appear in the gutter to show you execution progress. Lines of code which have been sent to R are marked with dark green; lines which have not yet been sent to R are marked with light green. Executing Multiple Chunks Running or Re-Running indiv...

Before rendering the final version of a notebook we can preview the output. Click on the Preview button on the toolbar and select the desired output format. You can change the type of output by using the output options as "pdf_document" or "html_notebook"

When you use python file as module there is no need always check if package is installed but it is still useful for scripts. if __name__ == '__main__': try: import requests except ImportError: print("To use this module you need 'requests' module") t ...

Simple filter expression is also an array. It contains one or more filter terms, combined with operators - 'AND', 'OR', 'NOT'. (Operators are case insensitive): [ ['mainline', 'is', 'T'], 'and', ['type','anyof',['CustInvc','CustCred']], 'and', 'not', ['amount', 'equalto', '0.00'], 'or'...

Filter expressions cannot include Filter Objects. This is very important. If you decide to form your filters with Filter Expression, you use array of string arrays. The following syntax is wrong: // WRONG!!! var f1 = search.createFilter({ name: 'mainline', operator: searc...

Since Supervised Learning consists of a target or outcome variable (or dependent variable) which is to be predicted from a given set of predictors (independent variables). Using these set of variables, we generate a function that map inputs to desired outputs. The training process continues until th...

Interfacing of DS18B20 with Raspberry pi Connection of DS18B20 with Raspberry pi You can see there are three terminal Vcc Gnd Data (One wire protocol) R1 is 4.7k ohm resistance for pulling up the voltage level Vcc should be connected to any of the 5v or 3.3v pins of Raspberry pi (PI...