problems

java – Problems with connecting H2 database for testing in spring boot

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[*] I want to connect h2 database to my test for JPA repository testing, but I am getting an error and don’t understand where it comes from. My test: @DataJpaTest class RepositoryTest{ @Autowired lateinit var entityManager: TestEntityManager @Autowired lateinit var dataSource: DataSource @Autowired lateinit var repository: Repository @Test fun `context loads`(){ Assertions.assertNotNull(entityManager) Assertions.assertNotNull(dataSource) } } … Read more

swiftUI Mapkit and Corelocation causing problems

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I’m reposting my question of yesterday and now adding a clean code example to demonstrate the problem I have a MyCustomMapView, embedding a MKMApView and it starts at a fixed location. I have a function called gotoCoordinate, which accepts a coordinate and then navigates the mapview’s center to that coordinate. In the sample code that … Read more

python – Problems writing with pyspark’s writeStream function (Spark Structured Streaming) in MongoDB

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I am trying to write in a MongoDB database tweets transmitted with kafka with the writeStream function of pyspark but my code does not work. I have the following versions: Spark 3.2.1 kafka 3.2.0 Python 3.8.13 MongoDB shell version v5.0.9 I tried my code with MongoDB Connector for Spark V3.0 and V10.0 . The Mongodb … Read more

MPI and compiler problems

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I have an MPI program that runs on one node but not on multiple nodes. I have left that program and moved to this incredibly simple one I found here: #include <stdio.h> #include <stdlib.h> #include <mpi.h> /** * @brief Illustrates how to use an MPI barrier. **/ int main(int argc, char* argv[]) { MPI_Init(&argc, &argv); … Read more

java – React Native + Gradle fails with Problems reading data from Binary store error (.gradle/.tmp/gradle7278112572988587194.bin offset 230266 exists? true)

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I was able to build my react native code successfully until yesterday but when I tried today I am getting gradle error * What went wrong: Could not determine the dependencies of task ‘:app:compileDebugJavaWithJavac’. > Could not resolve all dependencies for configuration ‘:app:debugCompileClasspath’. > Problems reading data from Binary store in usr/.gradle/.tmp/gradle7278112572988587194.bin offset 230266 exists? … Read more

php – How to deal with mysqli problems? mysqli_fetch_array(): Argument #1 must be of type mysqli_result

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TL;DR Always have mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT); in your mysqli connection code. It will let MySQL tell you what the actual problem is, be it with query, server, database or whatever. Always replace every PHP variable in the SQL query with a question mark, and execute the query using prepared statement. It will help to avoid … Read more