Tutorial by Examples: co

So let's say you have a project that depends on Qt5 and you need to copy the relevant dlls to your build directory and you don't want to do it manually; you can do the following: cmake_minimum_required(VERSION 3.0) project(MyQtProj LANGUAGES C CXX) find_package(Qt5 COMPONENTS Core Gui Widgets) #...

Create the Root Certificate The Root Certificate (aka CA File) will be used to sign and identify your certificate. To generate it, run the command below. openssl req -nodes -out ca.pem -new -x509 -keyout ca.key Keep the root certificate and its key carefully, both will be used to sign your cert...

No Mutual SSL In this example, we might use the CA File (ca.pem) that you generated during the "How to configure a ReplicaSet to support TLS/SSL?" section. We will assume that the CA file is located in your current folder. We will assume that your 3 nodes are running on mongo1:27017, mon...

There are 2/3 options to connect components together in Talend. You should always try to use OnSubjob connectors. This saves a lot of headaches. You'll see from the examples why. What happens when you mix the connection types / What is the execution order? If OnComponent OnSubjob Keep in mi...

Startup.cs using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.AspNetCore.Identity.EntityFrameworkCore; using Microsoft.EntityFrameworkCore; using Microsoft.E...

Download seed Run dotnet restore Run npm install Always. Enjoy. https://github.com/SamML/CoreAngular000

Changing the order (or position) was possible in Bootstrap 3 using the push pull classes. In Bootstrap 4, the push pull classes still work, and additionally flexbox order can be used. In Bootstrap 4, the push pull classes are now push-{viewport}-{units} and pull-{viewport}-{units} and the xs- infix...

Processing Field collection items with Rules is fun, really! Have a look at this Rule (in Rules export format): { "rules_calculate_sum_of_prices_in_all_field_collection_items" : { "LABEL" : "Calculate sum of prices in all field collection items", "PLUGIN...

It is a good practice to add comments that describe the code. It is helpful for others and even for the coder when returned later. A single line can be commented using the % symbol or using the shortkey Ctrl+R. To uncomment a previously commented line remove the % symbol or use shortkey Crtl+T. W...

Keychain allows to save items with special SecAccessControl attribute which will allow to get item from Keychain only after user will be authenticated with Touch ID (or passcode if such fallback is allowed). App is only notified whether the authentication was successful or not, whole UI is managed b...

Interpolating values is helpful if you need to pass a server-side variable to client-side JavaScript (or other languages that require it). In the case of variables, numbers, strings, and the like, you can pass these types of variables directly into your JavaScript with bracket syntax plus an explan...

Let's see how we can organize the code, when the codebase is getting larger. 01. Functions fn main() { greet(); } fn greet() { println!("Hello, world!"); } 02. Modules - In the same file fn main() { greet::hello(); } mod greet { // By default, everything inside a...

In Strict Mode, functions declared in a local block are inaccessible outside the block. "use strict"; { f(); // 'hi' function f() {console.log('hi');} } f(); // ReferenceError: f is not defined Scope-wise, function declarations in Strict Mode have the same kind of binding as l...

Use case: just one action which should return a plain (text) content as-is: public function actionAsXML() { $this->layout = false; Yii::$app->response->format = Response::FORMAT_XML; return ['aaa' => [1, 2, 3, 4]];; } Pre-defined response formats are: FORMAT_HTM...

(require '[clj-time.core :as t]) (def example-time (t/date-time 2016 12 5 4 3 27 456)) (t/year example-time) ;; 2016 (t/month example-time) ;; 12 (t/day example-time) ;; 5 (t/hour example-time) ;; 4 (t/minute example-time) ;; 3 (t/second example-time) ;; 27

(require '[clj-time.core :as t]) (def date1 (t/date-time 2016 12 5)) (def date2 (t/date-time 2016 12 6)) (t/equal? date1 date2) ;; false (t/equal? date1 date1) ;; true (t/before? date1 date2) ;; true (t/before? date2 date1) ;; false (t/after? date1 date2) ;; false (t/after? date2 dat...

Use the GitHub repository to get the entire code: https://github.com/firebase/functions-samples/blob/master/quickstarts/email-users Copy or clone the repository in your computer. Now go to your Firebase Console Create a Firebase Project using the Firebase Console. Enable the Google Provid...

$BucketName = 'trevorrekognition' ### Create a new AWS S3 Bucket New-S3Bucket -BucketName $BucketName ### Upload two different photos of myself to AWS S3 Bucket Write-S3Object -BucketName $BucketName -File myphoto1.jpg Write-S3Object -BucketName $BucketName -File myphoto2.jpg ### Perform...

HTML <div :class="classes"> <input v-model="compValue" type="text" class="form-control" @keydown.enter = 'enter' @keydown.down = 'down' @keydown.up = 'up' @input = "cha...

This will be our example data frame: color name size 0 red rose big 1 blue violet small 2 red tulip small 3 blue harebell small Accessing a single column from a data frame, we can use a simple comparison == to compare every element in the column to the given...