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The code below shows how to perform asynchronous navigation when the app is in a MasterDetailPage context. public async Task NavigateMasterDetail(Page page) { if (page == null) { return; } var masterDetail = App.Current.MainPage as Mas...

The following will produce a PNG image in the current directory of the loaded page. chrome --headless --screenshot https://stackoverflow.com

Using the --remote-debugging-port to expose a debugger accessible over HTTP is one way appliances can connect and interact with the document using the Chrome Debugging Protocol. chrome --headless --remote-debugging-port=9222 https://stackoverflow.com You can then navigate to http://localhost:9222 ...

Using srcset with sizes <img sizes="(min-width: 1200px) 580px, (min-width: 640px) 48vw, 98vw" srcset="img/hello-300.jpg 300w, img/hello-600.jpg 600w, img/hello-900.jpg 900w, img/hello-1200.jpg 1200w" src="img/hello-900.jpg&quo...

Data types to string formatting Data types like int, float, double, long, boolean can be formatted to string using String.valueOf(). String.valueOf(1); //Output -> "1" String.valueOf(1.0); //Output -> "1.0" String.valueOf(1.2345); //Output -> "1.2345" Stri...

Detailed instructions on getting sharepoint-2013 set up or installed.

The query string is the part of a request following the URL, preceded by a ? mark. Example: https://encrypted.google.com/search?hl=en&q=stack%20overflow For this example, we are making a simple echo webserver that echos back everything submitted to it via the echo field in GET requests. Examp...

Flask also allows access to a CombinedMultiDict that gives access to both the request.form and request.args attributes under one variable. This example pulls data from a form field name submitted along with the echo field in the query string. Flask Example: from flask import Flask, request app...

You can access the form data submitted via a POST or PUT request in Flask via the request.form attribute. from flask import Flask, request app = Flask(import_name=__name__) @app.route("/echo", methods=["POST"]) def echo(): name = request.form.get("name"...

In Swift 1 and 2, closure parameters were escaping by default. If you knew your closure wouldn’t escape the function body, you could mark the parameter with the @noescape attribute. In Swift 3, it’s the other way around: closure parameters are non-escaping by default. If you intend for it to escape...

From Swift Documentarion @escaping Apply this attribute to a parameter’s type in a method or function declaration to indicate that the parameter’s value can be stored for later execution. This means that the value is allowed to outlive the lifetime of the call. Function type parameters wi...

.profile is read by most shells on startup, including bash. However, .bash_profile is used for configurations specific to bash. For general initialization code, put it in .profile. If it's specific to bash, use .bash_profile. .profile isn't actually designed for bash specifically, .bash_profile is...

You can't improve something you can't measure. To improve the performance of React components, you should be able to measure it. ReactJS provides with addon tools to measure performance. Import the react-addons-perf module to measure the performance import Perf from 'react-addons-perf' // ES6 var ...

<RangeSeekBar android:id="@+id/barPrice" android:layout_width="fill_parent" android:layout_height="wrap_content" app:barHeight="0.2dp" app:barHeight2="4dp" app:increment="7" ...

Here are the steps required to install Gradle plugin in Eclipse: Open Eclipse and go to Help -> Eclipse Marketplace In the search bar, enter buildship and hit enter Select "Buildship Gradle Integration 1.0" and click Install In the next window, click Confirm Then, accept the term...

This is an example of an unbalanced binary search tree. A binary tree is structured conceptually as a hierarchy of nodes descending downward from a common root, where each node has two children: left and right. For example, suppose the numbers 7, 5, 9, 3, 11, 6, 12, 14 and 15 were inserted into a Bi...

$username = "[email protected]" $pwdTxt = Get-Content "C:\temp\Stored_Password.txt" $securePwd = $pwdTxt | ConvertTo-SecureString $credObject = New-Object System.Management.Automation.PSCredential -ArgumentList $username, $securePwd # Now, $credObject is having the credential...

Python import csv with open('/tmp/output.tsv', 'wt') as out_file: tsv_writer = csv.writer(out_file, delimiter='\t') tsv_writer.writerow(['name', 'field']) tsv_writer.writerow(['Dijkstra', 'Computer Science']) tsv_writer.writerow(['Shelah', 'Math']) tsv_writer.writerow(['...

tape is minimalistic JavaScript testing framework, it outputs TAP-compliant markup. To install tape using npm run command npm install --save-dev tape @types/tape To use tape with Typescript you need to install ts-node as global package, to do this run command npm install -g ts-node Now you ...

To install tslint run command npm install -g tslint Tslint is configured via file tslint.json. To initialize default configuration run command tslint --init To check file for possible errors in file run command tslint filename.ts