Reflection | Ever wanted your computer to transform into a mirror | Automation library
kandi X-RAY | Reflection Summary
kandi X-RAY | Reflection Summary
What this software does, is every 20 minutes it pops up on your screen and plays a video feed from your webcam. Two things happen:. or (if you're like me) the more likely scenario is.
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Top functions reviewed by kandi - BETA
- Starts the monitoring
- Updates the display devices
- Executes the shutdown command
- Initializes the simulation
Reflection Key Features
Reflection Examples and Code Snippets
def reflection(angle: float) -> list[list[float]]:
"""
>>> reflection(45) # doctest: +NORMALIZE_WHITESPACE
[[0.05064397763545947, 0.893996663600558],
[0.893996663600558, 0.7018070490682369]]
"""
c, s = cos(angle)
private static void useHttpClientWithReflection() {
try {
Class httpBuilder = Class.forName("org.apache.http.impl.client.HttpClientBuilder");
Method create = httpBuilder.getMethod("create", null);
create.in
public void processUsingApproachThree(Flux flux) {
LOGGER.info("starting approach three!");
flux.map(FooNameHelper::concatAndSubstringFooName)
.map(foo -> reportResult(foo, "THREE"))
.doOnError(error -> LOGG
Community Discussions
Trending Discussions on Reflection
QUESTION
I'd like to implement UPDATE (method PUT) operation for REST api. From front-end application my controller method expects map of values, for example:
...ANSWER
Answered 2021-Jun-15 at 13:09You can convert your User
object to a Map
and work as follow:
- convert
User
to aMap
original object - add all items to from
userForm
tooriginal
- convert the original to a
User
class - do what you need with the updated user
Basically the code is something like that:
QUESTION
i am working in jave
, spring
, mysql
, hibernate
environment
I have the following hql
it gives me the correct out put
ANSWER
Answered 2021-Jun-15 at 07:06Instead of
QUESTION
I have two entity classes as follows. The Parachute
is the parent object and it has multiple Component
objects. I need to have bidirectional @OneToMany implemented here.
Parent Parachute.java
class.
ANSWER
Answered 2021-Jun-15 at 06:17You are violating the JPA spec by accessing the persistence context in a lifecycle listener.
See the JPA Specification 4.2 Section 3.5.2
In general, the lifecycle method of a portable application should not invoke EntityManager or query operations, access other entity instances, or modify relationships within the same persistence context. A lifecycle callback method may modify the non-relationship state of the entity on which it is invoked.
"a portable application should not" is the specification way of saying: Don't do that, anything might happen. Maybe the world ends.
The fix is not to do that. Maybe be preloading the currently logged in user and reference it so you may access it in your entity listener and do not set a reference to the user, but simple store its id or similar.
QUESTION
I'm trying to make a complete copy of a Snowflake DB into PostgreSQL DB (every table/view, every row). I don't know the best way to go about accomplishing this. I've tried using a package called pipelinewise , but I could not get the access needed to convert a snowflake view to a postgreSQL table (it needs a unique id). Long story short it just would not work for me.
I've now moved on to using the snowflake-sqlalchemy package. So, I'm wondering what is the best way to just make a complete copy of the entire DB. Is it necessary to make a model for each table, because this is a big DB? I'm new to SQL alchemy in general, so I don't know exactly where to start. My guess is with reflections , but when I try the example below I'm not getting any results.
...ANSWER
Answered 2021-Jun-14 at 19:29Try this: I got it working on mine, but I have a few functions that I use for my sqlalchemy engine, so might not work as is:
QUESTION
Im trying to make a generic instance mapper from an SQLite DB to my project logic layer.
Each entry in the mapper is an instance of some class "DAL< name >" for example DALProduct
all in the same package that extends class DALObject
with the following structure:
ANSWER
Answered 2021-Apr-27 at 00:36This would be a perfect instance of when to use an annotation. You could define the annotation before the declaration of each class, indicating that the class has some meta-data about 'DALObjects'. Then you could use Reflections or some similar library to easily find all Class objects with this annotation.
For example;
QUESTION
We would like SwaggerUI, which is being generated by Swashbuckle, to show all controllers and methods when debugging as well as on our test environment, but hide some on integration and production environments. Note that the hidden controllers/methods will be functional in all scenarios but won't be documented in SwaggerUI.
To do this I've applied the principal described here.
Which results in following code:
Attribute definition:
...ANSWER
Answered 2021-Jun-14 at 11:35I found the solution in this blog post. Thanks @juunas for this
To solve my issue I've kept the code from the initial question to hide controller methods. To hide controllers I've implemented a IActionModelConvention
:
QUESTION
** I am implementing role-based access control to my application. There are 3 users(Admin, Teacher, Student) in the application with same attribute so I created a basedUser entity to let them inherit it. I wished to get the user's authority when I select it from the database, so I created a type handler to convert the authority in String type to GrantedAuthority type in the process but I don't know why I keep getting this error: **
nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.reflection.ReflectionException: Error instantiating interface org.springframework.security.core.GrantedAuthority with invalid types () or values (). Cause: java.lang.NoSuchMethodException: org.springframework.security.core.GrantedAuthority.()] with root cause
java.lang.NoSuchMethodException: org.springframework.security.core.GrantedAuthority.() at java.base/java.lang.Class.getConstructor0(Class.java:3349) ~[na:na] at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2553) ~[na:na] at org.apache.ibatis.reflection.factory.DefaultObjectFactory.instantiateClass(DefaultObjectFactory.java:60) ~[mybatis-3.5.4.jar:3.5.4] at org.apache.ibatis.reflection.factory.DefaultObjectFactory.create(DefaultObjectFactory.java:53) ~[mybatis-3.5.4.jar:3.5.4] at org.apache.ibatis.reflection.factory.DefaultObjectFactory.create(DefaultObjectFactory.java:45) ~[mybatis-3.5.4.jar:3.5.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:616) ~[mybatis-3.5.4.jar:3.5.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:591) ~[mybatis-3.5.4.jar:3.5.4]
I have been looking for answers to this problem but not getting anywhere close, does anyone know how to solve this problem??
Entity
...ANSWER
Answered 2021-Jun-14 at 07:50Type handler is not a good fit for your usage.
You should use constructor mapping.
QUESTION
I using CleanArchitecture solution. I have Data layer where ApplicationDbContext and UnitOfWork are located :
...ANSWER
Answered 2021-Jun-13 at 12:31finally, I found my answers in this article https://snede.net/you-dont-need-a-idesigntimedbcontextfactory/
Create ApplicationDbContextFactory in Portal.Data project:
QUESTION
I'm trying to move some C# code to F# and I'm struggling to achive that in a specific method. Lack of how to Seq and Pipeline work properly when using reflection.
Here's in C#
...ANSWER
Answered 2021-Jun-12 at 22:56Even in the C# code, you could rewrite this to just use Select
instead of constructing a remporary collection exportData
and adding the results to the collection as you iterate over the input:
QUESTION
I'm getting this error because one of the fields in my domain class is a LocalDate. Stack trace below. Jackson is complaining about Java 8 date/time not being supported by default, but Spring Boot 2.5
comes with com.fasterxml.jackson.datatype:jackson-datatype-jsr310
. How do I get Spring Batch to support my LocalDate
field in my domain class?
If I change the field to be a java.util.Date
it works perfectly.
Thanks!
...ANSWER
Answered 2021-Jun-10 at 03:14You can add serializer and deserializer for it.
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