Tutorial by Examples: r

class *model_name*(models.Model): _name = *model_name* @api.model def _configure_sales(self): # Do the configuration here Every time when module will be installed this function will run. Note: If you remove noupdate from xml, function will run on upgrading as well.

A basic but illustrative heatmap showing correlations between a number of variables. import pandas as pd import seaborn as sns import numpy as np # Sample dataframe with date index and five variables np.random.seed(123) df = pd.DataFrame(np.random.uniform(-0.25,0.25,size=(5, 5)), ...

In this example i will show how to formulate an rest controller to get and post data to the database using JPA with the most ease and least code. In this example we will refer to the data table named buyerRequirement . BuyingRequirement.java @Entity @Table(name = "BUYINGREQUIREMENTS&q...

Detailed instructions on getting google-tag-manager set up or installed.

modFTP Option Explicit Option Compare Text Option Private Module 'http://msdn.microsoft.com/en-us/library/aa384180(v=VS.85).aspx 'http://www.dailydoseofexcel.com/archives/2006/01/29/ftp-via-vba/ 'http://www.15seconds.com/issue/981203.htm 'Open the Internet object Private Declare Function...

Flow is a static type checker for your JavaScript code. It does a lot of work to make you more productive. Making you code faster, smarter, more confidently, and to a bigger scale. Flow checks your code for errors through static type annotations. These types allow you to tell Flow how you want your...

Let’s Take an Example with Structure of Movie, here we have defined the structure as Codable. So, We can encode and decode it easily. struct Movie: Codable { enum MovieGenere: String, Codable { case horror, skifi, comedy, adventure, animation } var name : String v...

It is possible to switch the language of Crystal Reports user interface. It may be useful to change the language to English before posting screenshots on StackOverflow. You can switch between languages using View | Product Locale: This menu shows all language packs that have been selected during...

The same X-Request-ID header can be sent by a client in a request, or by a server in a response. X-Request-ID: f9ed4675f1c53513c61a3b3b4e25b4c0 The value does not carry any inherent meaning, but is just a token to identify correlating requests and responses.

Add tastypie to INSTALLED_APPS. Create an api directory in your app with a bare init.py. Create an <my_app>/api/resources.py file and place the following in it: from tastypie.resources import ModelResource from my_app.models import MyModel class MyModelResource(ModelResource): ...

Downloading: You can download Foundation from Foundation download page Or install it using bower bower install foundation-sites or npm npm install foundation-sites You can also include foundation in your webpages using a cdn <!-- Compressed CSS --> <link rel="stylesheet&q...

When you group CSS selectors, you apply the same styles to several different elements without repeating the styles in your style sheet. Use a comma to separate multiple grouped selectors. div, p { color: blue } So the blue color applies to all <div> elements and all <p> elements. Wit...

When objects are created or modified they are not automatically available for IntelliSense. To make them available to IntelliSense the local cache has to be refreshed. Within an query editor window either press Ctrl + Shift + R or select Edit | IntelliSense | Refresh Local Cache from the menu. Aft...

The following example illustrates use of the bitwise NOT (~) operator on integer numbers. let number = 3; let complement = ~number; Result of the complement number equals to -4; ExpressionBinary valueDecimal value300000000 00000000 00000000 000000113~311111111 11111111 11111111 11111100-4 To ...

Double Tilde ~~ will perform bitwise NOT operation twice. The following example illustrates use of the bitwise NOT (~~) operator on decimal numbers. To keep the example simple, decimal number 3.5 will be used, cause of it's simple representation in binary format. let number = 3.5; let complement...

~~ Could be used on non-numeric values. A numeric expression will be first converted to a number and then performed bitwise NOT operation on it. If expression cannot be converted to numeric value, it will convert to 0. true and false bool values are exceptions, where true is presented as numeric v...

We can use ~ as a shorthand in some everyday scenarios. We know that ~ converts -1 to 0, so we can use it with indexOf on array. indexOf let items = ['foo', 'bar', 'baz']; let el = 'a'; if (items.indexOf('a') !== -1) {} or if (items.indexOf('a') >= 0) {} can be re-written as if (...

Detailed instructions on getting jenkins-pipeline set up or installed.

Here are some basic best practices for Excel: Flat File Database - Excel IS a Flat File application and should be treated as such Less Worksheet/Workbooks is more. Analyzing will be much faster with fewer worksheets/workbooks to go through. Try to ensure that all raw data is on one workshe...

A simple OGL 4.0 GLSL shader program that shows the use shader subroutines. The program is executed with a phyton script. To run the script, PyOpenGL and NumPy must be installed. The subroutines switch between different geometry generated in the geometry shader and change the surface representatio...