Tutorial by Examples: od

Model.url and Collection.url are only used internally by the default Backbone.sync method. The default method assumes you are tying into a RESTful API. If you are using a different endpoint design, you will want to override the sync method and may want utilize the url method. var Model = Backbone.M...

Things are easy when you have to use a C++ library in a Python project. Just you can use Boost. First of all here is a list of components you need: A CMakeList.txt file, because you're going to use CMake. The C++ files of the C++ project. The python file - this is your python project. Let's...

The most basic case to lift a particular window above the others, just call the .lift() method on that window (either Toplevel or Tk) import tkinter as tk #import Tkinter as tk #change to commented for python2 root = tk.Tk() for i in range(4): #make a window with a label window = tk...

System Requirements: Node JS Getting Started First Go to Firebase Console and Create New Project. After Creating the project, in project click on settings icon besides project Name in left sidebar and select Permissions. On Permissions Page Click on Service accounts in left sidebar then c...

Ionic has it's own extension for displaying a modal window. Modals can be created by inserting the template straight to the view with a <script> tag or by using a separate template file. In this example we are assuming you have a html file named modal-template.html in a folder called templates...

AWS Codecommit can be used as storage for private GIT repositories. The setup involves a few steps, assuming you have a valid AWS account already. Sign up for AWS Codecommit. Currently only region us-east-1 is available. Create a IAM user who will have access to the repositories, eg codecommit-u...

Atlassian SourceTree is a visual tool for Mac and Windows to manage source code repositories. This can be used with Codecommit as a remote repository but need to add an extra configuration option to the local repository in SourceTree to be able to connect with codecommit. First, setup Codecommit fo...

In [1]: import pandas as pd In [2]: df = pd.DataFrame(columns = ['A', 'B', 'C']) In [3]: df Out[3]: Empty DataFrame Columns: [A, B, C] Index: [] Appending a row by a single column value: In [4]: df.loc[0, 'A'] = 1 In [5]: df Out[5]: A B C 0 1 NaN NaN Appending a ...

To get products from the database, you need to use Magento 2's repository design pattern. Each module can be bundled with it's own repositories, and the Product Catalog module is not any different. You can use dependency injection in your class to access the repository. A working example would look...

Since Groovy 2.2 groovy.transform.Memoized annotation is added to convenient memoize methods with simply adding the @Memoized annotation: import groovy.transform.Memoized class Calculator { int sum(int x, int y){ println "sum ${x} + ${y}" return x+y } ...

Suppose you are searching for a Title Case pattern in a large text file and you want to edit a incorrect regular expression: First, go into Ex mode by typing q: You will now see all the commands that you typed in commandline mode, press j to go the regular expression you want to edit (/\v[A-Z]\w...

The following code can be found in a demo here: https://ellie-app.com/mbFwJT9jD3/0 import Html exposing (..) import Json.Decode exposing (Decoder) payload = """ [{ "id": 0, "name": "Adam Carter", "work": "Uni...

First, import modules and set connection strings. If you need parameters, you can either put them directly in the URL string (an API in this case) or build them as a dict and pass them to the params argument. import requests import json params = {'id': 'blahblah', 'output': 'json'} # You could ...

If the built in attributes are not sufficient to validate your model data, then you can place your validation logic in a class derived from ValidationAttribute. In this example only odd numbers are valid values for a model member. Custom Validation Attribute public class OddNumberAttribute : Valid...

mongodump --db mydb --gzip --out "mydb.dump.$(date +%F_%R)" This command will dump a bson gzipped archive of your local mongod 'mydb' database to the 'mydb.dump.{timestamp}' directory

mongorestore --db mydb mydb.dump.2016-08-27_12:44/mydb --drop --gzip This command will first drop your current 'mydb' database and then restore your gzipped bson dump from the 'mydb mydb.dump.2016-08-27_12:44/mydb' archive dump file.

XML <House> <Rooms>10</Rooms> <People>4</People> <TVs>4</TVs> <Floors>2</Floors> </House> XPATH /House/child::node() OUTPUT <Rooms>10</Rooms> <People>4</People> <TVs>4</TVs&gt...

1.Download font-awesome from here. 2.Copy the font-awesome directory into your project. 3.In the of your html, reference the location to your font-awesome.min.css. <link rel="stylesheet" href="path/to/bootstrap/css/bootstrap.min.css"> <link rel="stylesheet&quot...

ElasticSearch has a well-documented JSON API, but you'll probably want to use some libraries that handle that for you: Elasticsearch - the official low level wrapper for the HTTP API Elasticsearch-rails - the official high level Rails integration that helps you to connect your Rails models...

Sample XML <Students> <Student> <Name> <First>Ashley</First> <Last>Smith</Last> </Name> <Grades> <Exam1>A</Exam1> <Exam2>B</Exam2> ...