Tutorial by Examples: g

To count the occurences of a value in a numpy array. This will work: >>> import numpy as np >>> a=np.array([0,3,4,3,5,4,7]) >>> print np.sum(a==3) 2 The logic is that the boolean statement produces a array where all occurences of the requested values are 1 and all o...

Example of usage scalacheck with scalatest. Below we have four tests: "show pass example" - it passes "show simple example without custom error message " - just failed message without details, && boolean operator is used "show example with error messages on arg...

These function will help you to take the screenshot and also match the image with the part of the screen. .screenshot('c:\\path') #get the screenshot. .locateOnScreen('c:\\path') #search that image on screen and get the coordinates for you. locateCenterOnScreen('c:\\path') #get th...

To use multi-threading in MATLAB one can use the batch command. Note that you must have the Parallel Computing toolbox installed. For a time-consuming script, for example, for ii=1:1e8 A(ii)=sin(ii*2*pi/1e8); end to run it in batch mode one would use the following: job=batch("da&quot...

This example attempts a single Ping request. The ping command inside the runtime.exec method call can be modified to any valid ping command you might perform yourself in the command line. try { Process ipProcess = runtime.exec("/system/bin/ping -c 1 8.8.8.8"); int exitValue = ip...

Opening any file NSOpenPanel *openPanel = [NSOpenPanel openPanel]; [openPanel beginWithCompletionHandler:^(NSInteger result) { NSURL *url = openPanel.URL; if (result == NSFileHandlingPanelCancelButton || !url) { return; } // do something with a URL }]; Allowing ope...

Menus act like all standard control items. They have an action which is the function to be called and a target which is the object to send the function to. If the target is set to an object then when a user selects a menu item it the action method will be sent to the target object. If the menu item ...

first add the OkHttp to the gradle build file of the app module compile 'com.squareup.picasso:picasso:2.5.2' compile 'com.squareup.okhttp:okhttp:2.4.0' compile 'com.jakewharton.picasso:picasso2-okhttp3-downloader:1.0.2' Then make a class extending Application import android.app.Application; ...

Gradle: It is used to make build for any software, it is a Domain specific language used to configure and fulfill all plugins, libraries downloaded from repositories. Use Plugins: Apply plugin: ‘com.android.application’ Plugin is property in key value form. In above statement plugin denotes to...

Step 1: Create your GitHub account If you already have a GitHub account, please proceed to Step 2. Otherwise, please follow below: 1.a Go to Github page. 1.b Enter your desired username, your email address and then your desired password. Afterwards, click the Sign up for GitHub button. Step 2:...

Simply add an attribute to the controller action [Route("product/{productId}/customer")] public IQueryable<Product> GetProductsByCustomer(int productId) { //action code goes here } this will be queried as /product/1/customer and productId=1 will be sent to the controll...

In Java, all number primitives are signed. For example, an int always represent values from [-2^31 - 1, 2^31], keeping the first bit to sign the value - 1 for negative value, 0 for positive. Basic shift operators >> and << are signed operators. They will conserve the sign of the value. ...

The yarn init command will walk you through the creation of a package.json file to configure some information about your package. This is similar to the npm init command in npm. Create and navigate to a new directory to hold your package, and then run yarn init mkdir my-package && cd my-pa...

// add an item to a menu menu.addItem(item) // remove and item from a menu menu.removeItem(item)

Download and install the Unity Editor from the Unity Download page. Installing Unity using Download Assistant Unity Download Assistant is a small executable program which lets you select which components of the Unity Editor you want to download and install. If you’re not sure which components you...

Steps for Getting Started: Download Eclipse Create a Java Maven Project with following example package organization src/test/java com.example.pageobjects com.example.steps com.example.runner src/test/resources Add Cucumber Eclipse Plugin : https://github.com/cucumber/cucumber-eclipse/wik...

SELECT ... WHERE dt >= '2017-02-01' AND dt < '2017-02-01' + INTERVAL 1 MONTH Sure, this could be done with BETWEEN and inclusion of 23:59:59. But, the pattern has this benefits: You don't have pre-calculate the end date (which is often an exact length from the start) You...

The REGEXP (or its synonym, RLIKE) operator allows pattern matching based on regular expressions. Consider the following employee table: +-------------+-------------+-------------+--------------+----------+ | EMPLOYEE_ID | FIRST_NAME | LAST_NAME | PHONE_NUMBER | SALARY | +-------------+----...

In this example, we use the default, no-args GridLayout() constructor to create a layout with a single column. public class SingleColumnGridLayoutExample { private final Display display; private final Shell shell; public SingleColumnGridLayoutExample() { display = new Di...

By leveraging some of the member variables in the GridLayout instance, we can change the margins around the layout, and spacing between cells. In this example we set the following: verticalSpacing = 0 - Sets the vertical spacing between cells to 0px. horizontalSpacing = 20 - Sets the horizontal ...