rails server command unable to find libraries

I've installed rails, the mysql2 gem, and mysql and have created a project called simple_cms using rails new simple_cms -d mysql. Now when I execute rails server to start WEBricks, I get this...

Error occurring when trying to compare two .txt images in C++

As part of my University assignment we are required to compare two images in the form of .txt one is the normal image, the other is a jumbled version of the image. Both images are 512x512 and we...

DataGridComboBoxColumn binding to ObservableCollection

I have the class Devices with Platform as one of the properties: public partial class DevicesCollection : ObservableCollection<Device> { public DevicesCollection() : base() { } } public...

How to ignore Icon? in git

While trying to setup a dropbox folder with git, I saw a "Icon\r" file which is not created by me. I try to ignore it in the ~/.gitignore file. But adding Icon\r Icon\r\r Icon? won't work at all.

Saving to Dropbox folder using C# and ASP.NET

I have an MVC 4 application that generates Excel spreadsheets from a template stored on my shared hosting FTP, but I would like the generated files to be stored in the user's Dropbox folder, not...

LESS: Unrecognized input error when using Bootstrap

After upgrading Harp, I started getting an Unrecognized Input error in an irrelevant line of CSS. Less -> CSS (Unrecognised input)...

Getting Google Spreadsheet CSV into A Pandas Dataframe

I uploaded a file to Google spreadsheets (to make a publically accessible example IPython Notebook, with data) I was using the file in it's native form could be read into a Pandas Dataframe. So...

Use curl to download a Dropbox folder via shared link (not public link)

Dropbox makes it easy to programmatically download a single file via curl (EX: curl -O https://dl.dropboxusercontent.com/s/file.ext). It is a little bit trickier for a folder (regular directory...

Spring Boot application.properties value not populating

I have a very simple Spring Boot app that I'm trying to get working with some externalised configuration. I've tried to follow the information on the spring boot documentation however I'm hitting...

Preventing polls without choices from being published

I've been working my way through the Django tutorial, I'm on part 5 where it asks me to create a test to see if polls without choices are being published or not. For every other test we did, like...

selenium (python) raises StaleElementReferenceException and does not continue to download all webdriver.find_elements_by_partial_link_text()

I am using selenium bindings for python to download all links on a page that contain a string "VS". The problem is that the second item in the list is not a valid web page (returns 404 error),...

Piping Rscript gives error after output

I wrote a small R script to read JSON, which works fine but upon piping with Rscript myscript.R | head the (full, expected) output comes back with an error Error: ignoring SIGPIPE...

Program works fine, but valgrind gives some errors

What am I doing wrong? There is no memory leaks, but valgrind stills complain, I didn't figured out what is causing this errors. I would be very glad whether someone could just help me figure what...

Where can I host a csv so I can directly read it into a neo4j database?

I have a csv and I want to read it directly into a Neo4J database. I'm envisioning something along the lines of: LOAD CSV WITH HEADERS FROM 'file:///somewhere_accessable_to_anyone/some_csv.csv'...

Matplotlib Polar Plot with Lines

Trying to create a wind rose in Matplotlib using lines instead of bars. In other words, I would like something like this (which was created with Gnuplot) where the lines have a consistent...

HTML form file upload to Google Drive and save URL to google sheet

I'm new to the world of google scripting, and have found some great tutorials on how to either: i Upload a file to Google Drive with HTML form ii Append new rows to a google sheet. Essentially I...

import csv file on Neo4J with a Mac: which path to use for my file?

I am a new user of Neo4J. I would like to import a simple csv file into neo4J with my Mac, but it seems I am doing something wrong with the path to my file. I have tried many different ways but it...

Transfering files (pdf etc) from phone or pc to the samsung gear s2

I'm trying to transfer some pdf files (and other file formats in the future) from my pc/phone(galaxy s6) to my gear s2 classic. The gear companion app allows you to sync with your device only...

Removing Content-Type header in .NET Core

I have the following code in .Net Core: using (HttpClient client = new HttpClient()) { client.DefaultRequestHeaders.Clear(); client.DefaultRequestHeaders.TryAddWithoutValidation("Authorization",...

How can I stop a package from loading on startup in Rstudio

I have an Rstudio project that I've been working on. Since I last updated Rstudio to 1.0.143 - Mac OS X 10.6+ (64-bit) the project fails to start up. I think it might be linked to a package that...

Load CSV file from Dropbox for Neo4j

I saved my csv file on dropbox and I want to Load them on Neo4j. The link for the shared Users Node csv file: https://www.dropbox.com/s/6kibjeea5e4cks1/users.csv?dl=0 This is the cypher USING...

How to HTML post with authorization token and JSON arguments in VB.NET

I'm creating a VB.NET program that I'd like to interface with dropbox. I'm starting with the "list_folder" command which will return the contents on a specified path. Here is the URL where you...

Glympse Api packages are not resolved despite to linking Glympse Api in gradle

I am running Glympse Sdk sample on my Android Studio 3.0, I am able to run the sample but finding some issue like sdk is not properly working with Studio, Please refer the below dropbox link for...

copy file from Google Drive to Google Cloud Storage within Google

Is it possible to copy a file from Google Drive to Google Cloud Storage? I imagine it would be very fast since both are on a similar storage system. I haven't seen any information on either ways...

Cypress e2e testing - How to get around Cross Origin Errors?

I'm testing a web app that integrates Gmail, Slack, Dropbox etc. I'm trying to write end to end tests with Cypress.io to verify that auth flows are working. Cypress restricts me from navigating...

raise JSONDecodeError("Expecting value", s, err.value) from None JSONDecodeError: Expecting value

Python 3.6 I am trying to use python to crawl the location of bus stop within an area from Google Maps. I have read similar questions but still did not find a solution. File...

React-Native fresh App immediately closes when launch on real devices

I want to develop android app using React-Native, it works well on emulator, but when I try with real device, the app immediately closes when launch, even if it with fress react-native init...

Getting error "You've tried to invoke Spring when it's already loaded" when I try start server

I have started getting the following error when I try to run 'rails s' on my local machine: You've tried to invoke Spring when it's already loaded (i.e. the Spring constant is defined). This is...

Getting an error when uploading to Dropbox

I am attempting to upload a file to dropbox. Here is what I have said so far: using (var stream = new MemoryStream(File.ReadAllBytes(fileName))) { var numChunks = (int)...

Setting a filter/Pagevalue in Excel via Delphi

*** UPDATE BELOW *** I am using Delphi to write a program which builds a Pivot Table. Because I want to use Distinct Count, I have to 'Add to Data Model', which apparently creates an OLAP cube in...