Hey I am pretty new to using the Spring Framework and was just trying to get an application to work for practice but I am getting the following error in my stack trace: Cannot invoke “com.gabriel.schoolapp.repository.UsersRepo.findAll()” because “this.usersRepo” is null This is my model layer for the Users: This is my repository layer: And this is my service layer: Whenever
Tag: backend
Java Scheduler to Mail
Given that I have two scheduled component classes uploading files respectively. I created a sending email method for each of them in order to send a reminder email to myself in case any uploading exceptions happened. the flow like this: Scheduler One — if exception during uploading —> sending a email after exception Scheduler Two — if exception during uploading
When developing the back-end, do you want to believe that the front-end data will not go out of scope, and reduce some data verification
In the scenario where the front-end and back-end are separated and developed, what the back-end does is to receive the data transmitted by the front-end, perform corresponding processing, and finally return the processing result information. So, for the data sent by the front end (whether it is Get or Post), do we want to be sure that it will not
How can I find email addresses on other sites by entering a domain address?
Using Java, for example, when I search with the domain name “trendyol.com”, can I find domain-related mails on different sites? http://olaybende.com/acayip/trendyol-corona-virusu-kaynakli-fahis-fiyatlarla-ilgili-aciklama-yapti Mar 5, 2022 http://digitalage.com.tr/trendyoldan-koronavirusle-beraber-artan-fiyatlara-iliskin-aciklama Feb 25, 2022 http://sancaktepenews.com/ihtiyac-belirlendi-stoklar-hazirlandi Feb 20, 2022 http://borsametre.com.tr/trendyoldan-koronavirusle-ilgili-haksiz-fiyat-olusumlarina-yonelik-tedbir-aciklamasi/1191 Jan 26, 2022 http://agriajans.com.tr/ihtiyac-belirlendi-stoklar-hazirlandi-9176.html/ekonomi/47/44/11/13/03/2020/admin Nov 22, 2021 http://agriajans.com.tr/insaf-izan-kalmadi-kendimizi-vuruyoruz-9167.html/ekonomi/43/44/11/13/03/2020/admin Nov 22, 2021 http://haberlerwebte.com/trendyol-15-tllik-makarnalar-icin-aciklama-yapti-4607h.htm Nov 15, 2021 http://teknosafari.net/trendyol-fiyat-artisi-olan-urunlerle-ilgili-islem-yaptigini-acikladi Oct 27, 2021 http://paraajansi.com.tr/trendyol-haksiz-fiyat-olusumuna-karsi-539-urune-islem-yapti/2531 Aug 7, 2020 REMOVED http://paraajansi.com.tr/trendyoldan-koronavirusle-ilgili-haksiz-fiyat-olusumlarina-yonelik-tedbir-aciklamasi/2291 Aug 7,
How do I retrieve particular List of element from MongoDB Using findById from another List => SubList from MainList?
How To Retrieve this list: When passing this list [id]: Answer I just figured out an answer for my question and it’s as follows: In the mongo repository just declare a custom find method: Then use it as a normal find method => [query] in your business logic layer and controller layer.