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What is a “context bound” in Scala?
...ften used in object-oriented design to describe object relationships (e.g. Customer "has an" Address). But here the "has a" relationship is between types, not objects. It's a loose analogy because the "has a" relationship isn't inherent or universal the way it is in OO design; a Customer always ha...
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...n simply by implementing the interface.
Example of tight coupling:
class CustomerRepository
{
private readonly Database database;
public CustomerRepository(Database database)
{
this.database = database;
}
public void Add(string CustomerName)
{
database.Add...
Pass arguments to Constructor in VBA
...en with VBA.
1.- Implement a public initiation subroutine in each of your custom classes. I call it InitiateProperties throughout all my classes. This method has to accept the arguments you would like to send to the constructor.
2.- Create a module called factory, and create a public function with...
What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...tion to create and manage the application's various AWS resources. You can customize and extend the default EB environment by adding CloudFormation Resources to an EB configuration file deployed with your application.
Conclusion
If your application is a standard web-tier application using one of Ela...
How to make an Android Spinner with initial text “Select One”?
...opy the source from above into your project, e.g. into package com.example.customviews. Now in your layout xml, instead of <Spinner ...> use <com.example.customviews.NoDefaultSpinner ...> The rest of the code can stay the same. Don't forget to add the android:prompt attribute to the <...
Does JavaScript have the interface type (such as Java's 'interface')?
...inside of Abstractions to a minimum, and leaves enough room for dynamic or custom methodologies:
function resolvePrecept(interfaceName) {
var interfaceName = interfaceName;
return function curry(value) {
/* throw new Error(interfaceName + ' requires an implementation for ...');...
Node.js Best Practice Exception Handling
...
TL;DR: It pretty common to see code that throws errors as string or as a custom type – this complicates the error handling logic and the interoperability between modules. Whether you reject a promise, throw exception or emit error – using Node.JS built-in Error object increases uniformity and ...
Manually raising (throwing) an exception in Python
...actly what I needed. The bare raise is what I needed to be able to perform custom error debugging at multiple levels of code execution without breaking the stack trace.
– CaffeineConnoisseur
Feb 2 '17 at 19:49
...
Using build types in Gradle to run same app that uses ContentProvider on one device
...udio Beta 0.9.2
Gradle plugin 0.14.1
Gradle 2.1
Basically, if you need to customise some values for different builds you can do it from the build.gradle file:
use buildConfigField to access it from the BuildConfig.java class
use resValue to access it from resources e.g. @string/your_value
As an a...
How to get string objects instead of Unicode from JSON?
...ok will be used instead of the dict. This feature can be used to implement custom decoders
Since dictionaries nested many levels deep in other dictionaries get passed to object_hook as they're decoded, we can byteify any strings or lists inside them at that point and avoid the need for deep recurs...