persistence | use GitHub as a database | Database library
kandi X-RAY | persistence Summary
kandi X-RAY | persistence Summary
With this module you can use GitHub as a database. I guess this is only recommendable for small projects.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of persistence
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persistence Examples and Code Snippets
Lines of Code : 37License : Permissive (MIT License)
Copydef additive_persistence(num: int) -> int:
"""
Return the persistence of a given number.
https://en.wikipedia.org/wiki/Persistence_of_a_number
>>> additive_persistence(199)
3
>>> additive_persistence(-1) public static void defineDynamicPersistentUnit() {
PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
pumd.addProperty("javax.jdo.option.ConnectionURL", "jdbc:mysql://localhost:3306/jd public void CreateXMLProperties() {
pumdXML = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
pumdXML.addClassName("com.baeldung.libraries.jdo.ProductXML");
pumdXML.setExcludeUnlistedClasses();
pum Community Discussions
Trending Discussions on persistence
QUESTION
According to the OpenCV Docs, we can use cv::FileStorage to read/write custom data structure from/to config files (XML, YAML, JSON):
ANSWER
Answered 2021-Jun-15 at 15:05The issue is due to the intruduction of namespace, indeed you can get a similar issue with this code:
QUESTION
I'm trying to make a relation between my Book entity and a list of languages that I retrieve through a service. In my database, each book has a: ID, TITLE, CATEGORY_ID (FK), LANG_ID
Book.java:
...ANSWER
Answered 2021-Jun-15 at 12:54First of all, did you consider to store language in your database? I mean language are mostly the same, doesn't change too often, you can also store in a properties file and read them at runtime to use them later.
Anyway, I think you should:
- first get from external system languages
- store in variable / in memory cache ( like a Map where you can store id and name )
- read your data from database
- for each row you do
- read book language id, read the cache, get out data you need
- for each row you do
If you can't change model, just use a dto with your entity and the language and you're fine
QUESTION
in my example here i want to display a list of appointments of a specific patient in a one to many relationships .. the process is going well but the problem is how to display this list which is in patient as an attribute.
Appointment Entity
...ANSWER
Answered 2021-Jun-14 at 21:02As you have many to one mapping in Appointment entity. you could write the below query in AppointmentRep
List findAllByPatientId(int id);
QUESTION
I am fetching data from table named Cars(fetching models of particular brand and one brand can have multiple models). After selecting brand, I want to display all models and its details inside a form on JSP page. The data is an ArrayList of objects of ArrayList of object and I want to iterate it and display each field on my JSP Page.
Repository :
...ANSWER
Answered 2021-Jun-14 at 11:50Why do you not use foreach loop?
QUESTION
Why lombok doesnt not crate constructor with args
...ANSWER
Answered 2021-Jun-14 at 08:44As per Lombok documentation (https://projectlombok.org/api/lombok/AllArgsConstructor.html):
An all-args constructor requires one argument for every field in the class.
Obviously you haven't provided id as a constructor argument.
QUESTION
I'm a beginner with spring and I have this little issue. "No property questionId found for type CourseTestCompleteField!" I have 2 model classes that are connected via a one to one join. That 2 model class are:
...ANSWER
Answered 2021-Jun-13 at 06:30Since,This is a query on nested Object. You need to update your query as this.
QUESTION
I have defined a ServiceType enumtype and Service itemtype in trainingcore-items.xml.
...ANSWER
Answered 2021-Jun-12 at 15:16This question is related to your another question: How to localize a custom type created in trainingcore-items.xml in Hybris?
Just change type="localized:ServiceType" to type="ServiceType" and it will be fine.
QUESTION
I have created a custom type in items.xml. How can I localize the item type? Where should I use the localized keyword for the item type to be localized?
...ANSWER
Answered 2021-Jun-12 at 09:02Do you mean you want to add this service as a localized attribute in another item type?
that can be done with something like this.
QUESTION
I am trying to create my first project movie repository using Spring Boot + RestAPI + JPA + CrudRepository +MySQL.I am getting huge stack trace which is very difficult to understand.
Entity class:
...ANSWER
Answered 2021-Jun-11 at 07:41Remove the below method within the repository interface. The JPA has only find…By, read…By, get…By, query…By, search…By, stream…By.. and so on.
QUESTION
I am creating one spring boot application and trying to make a connection with mysql database.
I have created a schema. and trying to add columns in table through spring boot jpa.
Even though my build is geeting passed I am not able to get sucess. I have tried all the possible way fromthe stackover flow but no luck.
Here is my application.properties
ANSWER
Answered 2021-Jun-10 at 18:46Need to add createDatabaseIfNotExist=true parameter in datasource URL as shown in below example:
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