How to use Hibernate StatelessSession with open-in-view
We would like to use Hibe ate StatelessSession injected into our Spring Data JPA repositories. Our understanding is this requires Hibe ateTransactionManager and SharedSessionCreator.createSharedStatelessSession. Our setup is like follows: @Bean public Hibe ateTransactionManager transactionManager(En...
Detaching a posix thread vs detaching a std؛ thread
I was reading a (quite old) book on POSIX API, and in the chapter on threads it says that on retu from main() all the threads (including detached ones) are terminated. I would expect that std::thread::detach() inte ally uses POSIX threads API, and yet it seems that a detached std::thread is sort of ...
Apply where clauses after union in Eloquent ORM
I'm working on a Laravel project and I need to search through 2 models as the same time. I decided to use a union for this query, as I would do it in SQL. One of my models is converted into the other, and then the two queries are unioned. I was expecting to be able to filter as well after that, but ...
Gcc cannot find shared library
I am having trouble compiling a C program that uses a shared library. To reduce the problem as much as possible, I am following a tutorialI have two source files, in the same directoryfoo.c:#include <stdio.h> exte void foo(void); void foo(void) {     puts("Hello, I am a shared library"); } main.c:#i...
Raspberry Pi - robot [closed]
I am trying to make a small robot with raspberry pi 3, Arduino uno and python sockets. Here is my code :On windows, i open the server socket and i send the command like so :def co ect_client_and_get_id(server): client, _ = server.accept() full_id = '' first_message = True while 1: msg = client.recv(...
VS Code terminal issue
I'm lea ing Python and using VS Code (Windows). I wanted to clear the terminal from the long paths when ru ing code, so I installed Code Ru er and went to Settings -> Executor Map, and changed python map from "python -u" to "clear && python3 -u". But when I run code, I get what's in the picture inst...
Allocation stratified sampling with R
This is my dataset set.seed(2026) n <- 1000 img_id <- sprintf("IMG_%04d", seq_len(n)) strata <- sample(c("A", "B", "C"), size = n, replace = TRUE, prob = c(0.8, 0.1, 0.1)) split <- sample(c("train", "test", "val"), size = n, replace = TRUE, prob = c(0.7, 0.2, 0.1)) dataset <- data.frame(img_id, spli...
Stuck on old limits with allways free
Im trying to resurrect my compute instance, but im stuck on ai chat and inability to create service request, i had 4 OCPU + 24GB ram instance, but after change in limits, im stuck with locked instance which i ca ot even edit to comply with new rules, any chance to get out of this hell of ai chatbot ...
Python match-case vs dictionary performance internals
When conditional branching logic grows large in Python, the advice has always been to map keys to functions or values using a dictionary lookup mapping.get(key) to achieve O(1) time complexity, rather than using a long, O(n) sequence of if-elif statements. However, with structural patte matching (ma...
type casting boost multiprecision integer returns wrong answer
امروزدخترم رابردم دندانپزشکی .یکی ازهمکاران قدیمی به اسم خانم شریفی رادیدم خوشحال شدم ،راستش برای من فرقی نمی کنه که خاطره خوب ازهمکارام داشته باشم یانه وقتی بعدازمدتهااونهارامی بینم خوشحال میشم،بعدرف