Tutorial by Examples: in

In Aurelia all HTML templates are defined inside of opening and closing <template></template> tags. All of your HTML and Aurelia specific logic goes inside of these template tags and cannot exist outside of them. <template> </template>
Looping over an iterable defined inside of your viewmodel or passed through as a bindable (if a Custom Attribute or Custom Element) can be done like so. An array of string values export class MyViewModel { myIterable = ['String 1', 'String 2', 'String 3', 'String 4']; } <template> ...
Make sure to have a file input on your page: <input type="file" id="upload"> Then in JavaScript: document.getElementById('upload').addEventListener('change', readFileAsString) function readFileAsString() { var files = this.files; if (files.length === 0) { ...
import pandas as pd import numpy as np np.random.seed(0) rng = pd.date_range('2015-02-24', periods=10, freq='T') df = pd.DataFrame({'Val' : np.random.randn(len(rng))}, index=rng) print (df) Val 2015-02-24 00:00:00 1.764052 2015-02-24 00:01:00 0.400157 2015-02...
Each pair in the dictionary is an instance of KeyValuePair with the same type parameters as the Dictionary. When you loop through the dictionary with For Each, each iteration will give you one of the Key-Value Pairs stored in the dictionary. For Each kvp As KeyValuePair(Of String, String) In curren...
Get width and height: var width = $('#target-element').width(); var height = $('#target-element').height(); Set width and height: $('#target-element').width(50); $('#target-element').height(100);
Get width and height: var width = $('#target-element').innerWidth(); var height = $('#target-element').innerHeight(); Set width and height: $('#target-element').innerWidth(50); $('#target-element').innerHeight(100);
Get width and height (excluding margin): var width = $('#target-element').outerWidth(); var height = $('#target-element').outerHeight(); Get width and height (including margin): var width = $('#target-element').outerWidth(true); var height = $('#target-element').outerHeight(true); Set widt...
The return statement can be a useful way to create output for a function. The return statement is especially useful if you do not know in which context the function will be used yet. //An example function that will take a string as input and return //the first character of the string. function...
From your Mac, download and install Xcode from the Mac App Store following this link. After the installation is complete, open Xcode and select Get started with a Playground: On the next panel, you can give your Playground a name or you can leave it MyPlayground and press Next: Select a locat...
We will see how to center content based on the height of a near element. Compatibility: IE8+, all other modern browsers. HTML <div class="content"> <div class="position-container"> <div class="thumb"> <img src="http://lorempix...
From the official documentation: Gradle. dependencies { compile "com.squareup.picasso:picasso:2.5.2" } Maven: <dependency> <groupId>com.squareup.picasso</groupId> <artifactId>picasso</artifactId> <version>2.5.2</version> </dep...
Picasso supports both download and error placeholders as optional features. Its also provides callbacks for handling the download result. Picasso.with(context) .load("YOUR IMAGE URL HERE") .placeholder(Your Drawable Resource) //this is optional the image to display while the url i...
Picasso.with(context) .load("YOUR IMAGE URL HERE") .placeholder(DRAWABLE RESOURCE) // optional .error(DRAWABLE RESOURCE) // optional .resize(width, height) // optional .rotate(degree) // optional .in...
people := map[string]int{ "john": 30, "jane": 29, "mark": 11, } for _, value := range people { fmt.Println("Age:", value) } Note that when iterating over a map with a range loop, the iteration order is not specified and is not guaranteed to...
Installing Visual Studio If you do not have Visual Studio installed, you can download the free Visual Studio Community Edition here. If you already have it installed, you can proceed to the next step. Creating an ASP.NET Core MVC Application. Open Visual Studio. Select File > New Project. ...
Share simple information with differents apps. Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send."); sendIntent.setType("text/plain"); startActivity(Intent.createChooser(sendIntent, get...
DROP INDEX ix_cars_employee_id ON Cars; We can use command DROP to delete our index. In this example we will DROP the index called ix_cars_employee_id on the table Cars. This deletes the index entirely, and if the index is clustered, will remove any clustering. It cannot be rebuilt without rec...
In [1]: import numpy as np In [2]: import pandas as pd In [3]: df = pd.DataFrame({'A': list('XYZXYZXYZX'), 'B': [1, 2, 1, 3, 1, 2, 3, 3, 1, 2], 'C': [12, 14, 11, 12, 13, 14, 16, 12, 10, 19]}) In [4]: df.groupby('A')['B'].agg({'mean': np.mean, 'standard deviatio...
import pandas.io.sql import pyodbc import pandas as pd Specify the parameters # Parameters server = 'server_name' db = 'database_name' UID = 'user_id' Create the connection # Create the connection conn = pyodbc.connect('DRIVER={SQL Server};SERVER=' + server + ';DATABASE=' + db + '; UID...

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