celesta | DB migrations , SQL & testing for Java | Database library
kandi X-RAY | celesta Summary
kandi X-RAY | celesta Summary
Celesta is a set of tools for Java backend developers who want easier ways to deliver RDBMS-backed software. This is a Java library with a Maven plugin that provides database migrations, ORM and testing. Unlike e. g. Hibernate + Liquibase, Celesta does not require one to keep in mind the schema design and migrations separately, and provides a fast and lightweight way to unit-test the code that works with the database.
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Top functions reviewed by kandi - BETA
- Process create update rule .
- Builds the constructors .
- Update grain .
- Creates SQL SQL for sequence cur value .
- Attempts to update the current row .
- set the referenced table
- Process defaults .
- Gets the where term
- Process a grain .
- Takes a string and converts it to JSON string .
celesta Key Features
celesta Examples and Code Snippets
Community Discussions
Trending Discussions on celesta
QUESTION
Link that I am scraping : https://www.indusind.com/in/en/personal/cards/credit-card.html
...ANSWER
Answered 2021-Feb-24 at 08:57Those duplicated image source urls are coming from the recommended section. So you need to skip those first three items and then you'll have all the image links in the right order.
Here's how:
QUESTION
I recently started using SPARQL and have an exercise to make a query that will allow me to get song titles that have a singer as their only vocalist? In this case being John Lennon the only singer.
I have a beatles.ttl data file, so far I was able to select all the songs where John Lennon is lead singer, however there are songs where he is lead singer with 2 other band members.
...ANSWER
Answered 2019-Dec-15 at 22:35The trick is to realize that you can rephrase "John Lennon is the only vocalist" to "none of the vocalists are anyone other than John Lennon". Then you can use FILTER NOT EXISTS
, like so:
QUESTION
I am in need of some help regarding SPARQL construct queries. How is it possible to make a CONSTRUCT
query with an IF
condition to get triples that enable rules representation?
Like a CONSTRUCT
query that enables us to express the following rules:
- If
X
is an instance of aC1
class, andC1
is a subclass of aC2
class, thenX
is an instance ofC2
.
and
- If
X
has inP1
property the valueV
, andP1
is a subproperty ofP2
, thenX
has in propertyP2
the valueV
.
For this Data File (Beatles.ttl)
...ANSWER
Answered 2019-Dec-19 at 23:30As suggested in the comments: you don't actually need a conditional to express this. All you're doing in the left-hand side of the rule is matching a combination of triple patterns. This is exactly what the WHERE
clause in a SPARQL query does. Similarly, the right-hand side of the rule simply recombines matched resources into new triple patterns - this is exactly what the CONSTRUCT
clause does. For example:
If X is an instance of a C1 class, and C1 is a subclass of a C2 class, then X is an instance of C2.
That could be expressed as:
QUESTION
I'm using Simple HTML Dom to try scrape a HTML table. I follow their instructions and have looked at many other code examples, but the file_get_html just doesn't seem to work.
Here is my code:
...ANSWER
Answered 2017-Feb-14 at 15:41I don't know much about simpledom but i think you might need to use a more robust library like https://github.com/FriendsOfPHP/Goutte
QUESTION
I have a .wav file which I read into an array in python.
...ANSWER
Answered 2019-Sep-28 at 18:43pip install tensorflow==2.0.0-rc1
Maxpooling - tf.nn.max_pool1d
Avgpooling - tf.nn.avg_pool1d
https://www.tensorflow.org/api_docs/python/tf/nn/max_pool1d https://www.tensorflow.org/api_docs/python/tf/keras/layers/MaxPool1D
Input dataQUESTION
I am developing a Battery Alarm App. and I want to play music using media-player in every one minute using the Timer and also want to repeat music 2 times within one minute.
This works fine for the first time when Timer calls the *8playAlarm() method** but after one minute when Timer again call the playAlarm() method it plays music only once.
...ANSWER
Answered 2019-Jun-07 at 19:51I guess because you are executing method in onCreate which calls only once. Might be you can make it in some background service and call it every minute
QUESTION
I am still rather new to Neo4j, Cypher and programming in general.
Is there a way to access the posted output below, i.e. access the "count" values for every "item“ (which has to be the pair), and also access the "item" values? I need the amount of how often a pair, i.e. specific neighboring nodes occur not only as information, but as values with which I can further work with in order to adjust my graph.
My last lines of code (in the preceding lines I just ordered the nodes sequentially):
...ANSWER
Answered 2019-Jan-02 at 23:26Based on your code, your result should contain multiple x
records (not a single record, as implied by the "output" provided in your question). Here is an example of what I would expect:
QUESTION
I'm trying to mock a networking result data and mock it in the JSON.txt, I want to perform unit test of json parsing but it seems that I always failed to read the JSON.txt file
the method that will be tested:
...ANSWER
Answered 2018-Aug-22 at 09:55Make sure you add that JSON to your test target (select JSON file in file navigator, after that at the right panel locate "Target Membership" and verify checkboxes.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install celesta
You can use celesta like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the celesta component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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