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Installation: In order to use DataProviders, you need junit-dataprovider .jar : Github Direct download Hamcrest-core-1.3.jar : Github Direct download And add both of this .jar to your project. Usage: Add this import to your code: import com.tngtech.java.junit.dataprovider.DataProvider; im...

In ruby you can add methods to existing instances of any class. This allows you to add behavior to and instance of a class without changing the behavior of the rest of the instances of that class. class Example def method1(foo) puts foo end end #defines method2 on object exp exp = E...

Flower is a web based tool to monitor Celery. To install Flower, we can use pip as follows: pip install flower To run Flower for proj: celery -A proj flower Now, flower is accessible in: http://localhost:5555

Using webpack, you can bundle your component: $ webpack This will create our output file in build directory. Open the HTML page in a browser to see component in action

Security was a part of the dark side of the symfony documentation, it has a dedicated component named Security Component. This component is configured in the security.yml file of the main application project. The default configuration is like this one : # app/config/security.yml security: p...

To find the largest items in a collection, heapq module has a function called nlargest, we pass it two arguments, the first one is the number of items that we want to retrieve, the second one is the collection name: import heapq numbers = [1, 4, 2, 100, 20, 50, 32, 200, 150, 8] print(heapq.nl...

Let say you want to create css/js file specific to a platform. For that you have to create a merges folder in root folder of you cordova porject. In merges folder create directory for each platform (android/ios..). then in specific platform folder create a css/js folder and put your css/js file spec...

In the following example there are 2 Screens: SettingsScreen and MenuScreen Using the first button, on the current screen will change your screen to the other screen. Here is the code: from kivy.app import App from kivy.lang import Builder from kivy.uix.screenmanager import ScreenManager, Scr...

Pancake Sort is a the colloquial term for the mathematical problem of sorting a disordered stack of pancakes in order of size when a spatula can be inserted at any point in the stack and used to flip all pancakes above it. A pancake number is the minimum number of flips required for a given number o...

@echo off setlocal set /p "_myvar=what is your name?" echo HELLO!>file.txt echo %_myvar%!>>file.txt echo done! pause type file.txt endlocal exit Now file.txt looks like: HELLO! John Smith! (assuming you typed John Smith as your name.) Now your batch file's consol...

You can use plugman command to install/uninstall custom cordova plugins. To install plugman npm install -g plugman Install plugin command syntax: plugman <install|uninstall> --platform <ios|android|blackberry10|wp8> --project <directory> --plugin <name|url|path> Exa...

Monthwise difference between two dates(timestamp) select ( (DATE_PART('year', AgeonDate) - DATE_PART('year', tmpdate)) * 12 + (DATE_PART('month', AgeonDate) - DATE_PART('month', tmpdate)) ) from dbo."Table1" Yearwise difference between two dates...

Model With EF Core, data access is performed using a model. A model is made up of entity classes and a derived context that represents a session with the database, allowing you to query and save data. You can generate a model from an existing database, hand code a model to match your database, or ...

<?php echo get_field('my_field_name', 'option'); ?> This will echo the value of "my_field_name" from the options page created via ACF.

First of all we need to add MEDIA_ROOT and MEDIA_URL to our settings.py file MEDIA_ROOT = os.path.join(BASE_DIR, 'media') MEDIA_URL = '/media/' Also here you will work with ImageField, so remember in such cases install Pillow library (pip install pillow). Otherwise, you will have such error: I...

To define an atom, use an ordinary def, but add an atom function before it, like so: (def counter (atom 0)) This creates an atom of value 0. Atoms can be of any type: (def foo (atom "Hello")) (def bar (atom ["W" "o" "r" "l" "d"])) ...

To read an atom's value, simply put the name of the atom, with a @ before it: @counter ; => 0 A bigger example: (def number (atom 3)) (println (inc @number)) ;; This should output 4

There are two commands to change an atom, swap! and reset!. swap! is given commands, and changes the atom based on its current state. reset! changes the atom's value completely, regardless of what the original atom's value was: (swap! counter inc) ; => 1 (reset! counter 0) ; => 0 This e...

There are two kinds of programs the kernel knows of. A binary program is identified by it's ELF (ExtenableLoadableFormat) header, which is usually produced by a compiler. The second one are scripts of any kind. If a file starts in the very first line with the sequence #! then the next string has to...

Dim cars Dim filefullname : filefullname = "C:\testenv\test.txt" 'If you can, create an instaneous read for text file data for better memory handling. 'Unless it's a large file and that's impossible. cars = Split(CreateObject("Scripting.FileSystemObject").OpenTextFile(filefu...