– AspnetCore – Empty -Structure

Blog Controller 1. I’ve the following code on my BlogControler.Cs (aspnet core 2.1): namespace FiorelloTask.Areas.AdminF.Controllers { [Area(“AdminF”)] public class BlogController : Controller { private AppDbContext _context; private IWebHostEnvironment _env; public BlogController(AppDbContext context, IWebHostEnvironment env) { _context = context; _env = env; } public IActionResult Index() { List<Blog> blogs = _context.Blogs.ToList(); return View(blogs); } public IActionResult … Read more

python – How to remove dataframe rows with empty objects

Here is a way to do what your question asks based on the annotation column which contains values ‚Äč‚Äčthat look like lists but are actually strings: df = df[df.annotation.apply(eval).str.len() > 0] Column annotation from sample input (taken from df.head(15) in your question): annotation 0 [‘dad with recent heart attcak’] 1 [‘mom with “thyroid disease’] 2 … Read more

r – Shiny app to rmd: Emergency stop in LaTeX failed to compile, .tex not empty

Issue (reprex at bottom): Want to download dynamic reports from shiny app to rmd then knit pdf options(tinytex.verbose = TRUE) gives me: “C:/Program Files/RStudio/bin/quarto/bin/pandoc” +RTS -K512m -RTS –to latex –from markdown+autolink_bare_uris+tex_math_single_backslash –output pandoc4788153d65c7.tex –lua-filter “C:UsersToadstoolAppDataLocalRwin-library4.2rmarkdownrmarkdownluapagebreak.lua” –lua-filter “C:UsersToadstoolAppDataLocalRwin-library4.2rmarkdownrmarkdownlualatex-div.lua” –self-contained –highlight-style tango –pdf-engine pdflatex –variable graphics –variable “geometry:margin=1in” This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022) … Read more

Illegal Operation On Empty Result Set Java Netbeans

in my case, if I add new data, for example tank data, then when I enter the distribution calculation table and click the button, the data cannot be calculated, an error message appears. private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { try { java.sql.Connection cn = DriverManager.getConnection(“jdbc:mysql://localhost:3306/surya_nusratim2″,”root”,””); ResultSet jumlah_sumber = cn.createStatement().executeQuery(“select count(*) from sumber”); ResultSet jumlah_minta = cn.createStatement().executeQuery(“select … Read more

java – How to check if Referer is empty or not before downloading

I have this two URL From this website I got this URL and from I got this URL[Pro_Mod_By_Stabiron].apk?md5=8RIbo_gkOkiR7c9XrpVDnQ&expires=1655617658 The first one requires Referer but the second one doesn’t require Referer but will throws 403 error if I added Referer to the request. Adding this to the first one will work connection.addRequestProperty(“Referer”, … Read more

python multiprocessing getting empty result

This is the regular function without using multiprocessing def runMonte(loanpool, structured_securities, tolerance, NSIM): structured_securities.addTranche(0.8, 0.05, 0) structured_securities.addTranche(0.2, 0.08, 1) tranche_percent = [0.8, 0.2] coeff = [1.2, 0.8] # Tranche A has coeff of 1.2, Tranche B has coeff of 0.8 rates = [0.05, 0.08] # Tranche A has rate of 5%, Tranche B has rate … Read more

javascript – React rendering an empty page after an Express API call

I am new to React and after peforming a post request with Express my localhost page goes blank, rendering a sort of default HTML blank document. but the call works properly, saving the new document in my DB. Here’s my React Component: import React, { Component } from ‘react’; import { getTasks, addTask, updateTask, deleteById … Read more

javascript – Sending images from React passes an empty array to NodeJS using DragAndDrop

I have searched for a lot of information on how to upload images as well as information on different inputs, but I cannot understand why the images are not received in NodeJS. I have a form, in this I have different unputs but to load images I am using react-dropzone, the images that are inside … Read more