Adrian Matei articles - 110 total
Calculate life span and age in years in javascript/typescript
Given birthDate and the day of death as strings the following method calculates the lifespan in...
How to use test.each to avoid repetitive tests in jest
Jest is a popular JavaScript testing framework that provides an intuitive and powerful way to write...
One easy way to set the name in jest repetitive tests (test.each)
One easy way to display a custom name for each test.each test in jest, is to place the text name in...
How to compare mongoose model objects in jest while excluding _id
The schema model object in Mongoose provides an _id that is of type ObjectId. If you are not...
How to verify an object is empty object with Jest (extended)
First install jest-extended with the npm install --save-dev jest-extended command and use the...
Improve Your Dev Productivity with Bookmarks, Snippets and Notes Management
As a software developer, having quick access to relevant information and resources is essential to...
How to set mongoose schema field from list of strings (enum)
In the following example we define template attribute to be of type String with values defined in the...
How to set value of input field in angular template
To set the initial value of the input control, just use the value attribute: <input type="text"...
How to compare date (no time) with current day in javascript
Get current date with new Date() and setHours to 0, 0, 0 and then you are ready to compare with the...
How to use jest test.each function
Let's test with Jest the following isInfiniteDate function, which checks whether the given date is...
Do nothing on Angular material dialog scrolling
If you are using Angular Material Dialogs for example and when it pops up the page seems to move a...
How to configure and use environment specific values in Angular
Configuring application environments First define different environment files for the...
Increase productivity by visually differentiating between environments
Going "green" As mentioned How I manage my dev bookmarks to save time and nerves I use...
How to add class conditionally to css element in angular
Use the ngClass input attribute with the object notation, where the keys are CSS classes that get...
How to expand dynamically angular material panel
Use the expanded attribute of the mat-expansion-panel element and set it to true when the condition...
How to access filtered elements in angular pipe
To access the filtered results of the pipe just define it as a variable via the as...
How to copy to clipboard with angular material
Use the click event to pass the text to the handling function, in this case...
How to set default value to query param in jax-rs
Use the DefaultValue annotation parameter (accepts strings) where you set the default value alongside...
How to unmarshall xml string to java object with JAXB
Given the following Superhero class: import javax.xml.bind.annotation.XmlAccessType; import...
How to execute delete statements with jpa query
Use the executeUpdate method of the Query interface. It will return the number of deleted...
How to get mockable current time in java enterprise
With Java version 8 it's very easy to get the current timestamp with LocalDateTime.now(). One problem...
How to consume a text message from a JMS queue with a Message Driven Bean (MDB)
In the snippet you can see a message driven bean set up to consume asynchronously messages from a JMS...
How to delete documents in mongo with mongoose
To delete one entry you can use findOneAndRemove command - it issues a mongodb findAndModify remove...
Pagination with JPA queries
Use the firstResult(int startPosition) and setMaxResults(int maxResult) of the JPA Query...
How to use named parameters in JPA queries
Define a named parameter (:status) in a named query: import...
How to use named queries with JPA and JPQL
You can define several named queries on an entity by using the @NamedQueries and @NamedQuery...
How To return CREATED HTTP Status Code in Jax-Rs
Use created(URI location) of the javax.ws.rs.core.Response class. Usually when you return the 201...
How to return a response with OK HTTP Status Code with Jax-Rs
Use the ok() method of the javax.ws.rs.core.Reponse class to create a ReponseBuilder with a status of...
How to define and use variables in sass
Use the $ sign to define the variable $variable_name: variable_value. Below we define anthracite-gray...
How to delete a kubernetes deployment with kubectl
First select the deployment name in the current context you, if you don't know it with the following...