Simulating Gaussian Bessel Beam Propagation in Matlab
I should preface this by saying I am not much of a programmer or physicist, so please bear with me.I am attempting to simulate the propagation of gaussian Bessel beam (as produced by an axicon) using...
View ArticleClik here to view.
Services not synchronized Spring
I'm currently facing an issue which I'm unable to solve.Here the problem.I have a class Picker inside Microservice PickerManager that requires services. This Picker class sends events via RabbitMQ to...
View ArticleRequiresNew transaction after rolling back still affect entity
Context: spring boot 2.7.0 , @EnableTransactionManagement at main application classAssumption: the unchecked exception should roll back the internal transaction, but since it is caught, it will not...
View ArticleWhy Doesn't an Exception Occur in Keras When Masking is Disabled and...
I have a question regarding the mask propagation mechanism in Keras that I don't quite understand. As far as I know, if a custom layer does not implement self.compute_mask() and has...
View ArticleClik here to view.
FPGA Parallel output timing to satisfy input timing
Let's say a FPGA reads flip-flop D and outputs Q on the second rising edge of a CLK (figeure1). How can this satisfy the input setup time [TpdSU] of another device (figure2)?Do they generally not use...
View ArticleStationarity of a time-serie
I have a 2D matrix 60 row and 5000 columns in a .mat file . each row is a registration of 5000 data points (received power values) during 5 seconds.I want to do the following for each line of the...
View ArticlePropagate click behind a widget
I have a Stack with two widgets inside.I'm trying to detect the click on the bottom widget of the Stack, which is behind the top one.I am using HitTestBehavior.translucent, but it only work if the...
View ArticleR use propagate() to calculate the propagated error for summing up a column
I am learning the propagate function and want to use it to calculate the propagated error of summing the raw data in a data frame column. Each row in the data frame is a record, provided with raw data...
View ArticleHow to propagate Git Hooks while cloning
I've written a pre-commit hook in my central repository. When my clients clone the repository it never propagates the hooks. I would like the hooks to also be copied to my clients' repositories. My...
View ArticleSpring @Transactional - isolation, propagation
Can someone explain the isolation& propagation parameters in the @Transactional annotation via a real-world example?Basically when and why I should choose to change their default values?
View ArticleHow to estimate error propagation on regressed function from covariance...
I need a hand with something. I'm using curve_fit from SciPy to fit a curve with three parameters. Now, when I use it, I get this thing called pcov, which I know is the covariance matrix. But here's...
View ArticleI don't know why Transaction doesn't work in spring boot test
@Test public void 물건_구매_실패_테스트() { Store store = this.storeService.saveStore("store", StoreType.KOREAN); Item item = this.itemService.itemSave(store.getStoreId(), "비빔밥", 8000, 1); Customer c1 =...
View ArticleImplementation propagation_const in prio C++17 version
It is the following example#include <iostream>#include <memory>class B{ public: void foo() const{ std::cout << "foo const" << std::endl; } void foo() { std::cout << "foo...
View ArticleWhy the default value of spring transactional propagation is `REQUIRED`...
I read the Transactional documentation and found that NESTED and REQUIRED behave very similarly, why is propagation default value REQUIRED.@Serviceclass A { @Autowired private B b; @Transactional...
View ArticleCalculating total transmission time of a packet
I'm having some difficulty calculating the total time it takes a packet to get from A to B, the question is:"We have 200 bytes of data to send from A to B, with a distance of 200km between them....
View ArticleClik here to view.
Discretized function becomes complex while free propagating a real function...
My code involves propagation of a real function using Fourier transform and inverse Fourier transform. Specifically, the function evolves as∂ψ(z,t)/∂t - v ∂ψ(z,t)/∂z =0I solve this problem by Fourier...
View ArticleSpring brave creates another traceId with WebClient
I am creating a spring-boot3 service that needs to interact with a spring-boot2 sleuth service.I configured the spring-boot3 app to propagate B3 trace-ids using WebClient. The problem is that WebClient...
View ArticleERROR: Could not build wheels for passpredict, which is required to install...
I have a problem with installing a library. that I will use to track satellites in an educational mini project. I will use SGP4 propagation from pip install passpredict which has Requirements as...
View ArticleNOT_SUPPORTED Propagation use case
what is the real use case for- NOT_SUPPORTED Propagation transactional ? Where do we use it?
View ArticleDifferences between requires_new and nested propagation in Spring transactions
I can't understand the behavior difference between the PROPAGATION_REQUIRES_NEW and PROPAGATION_NESTED propagation policies. It seems to me that in both cases, the current process is rollbacked but not...
View Article