boost::shared_ptr and multithreaded access

I'm trying to implement a multithreaded framework, in which output objects are created at the end of every frame that my networking thread runs, so that another thread can, at the beginning of its...

Form validation fails due missing CSRF

A few days ago I have reset my local flask environment without having captured the dependencies via a pip freeze before I deleted it. Hence I had to re-install the latest version of the entire...

How to upload file with python requests?

I'm performing a simple task of uploading a file using Python requests library. I searched Stack Overflow and no one seemed to have the same problem, namely, that the file is not received by the...

How to install Java 8 on Mac

Editors note: This question was asked in 2014, and the answers may be outdated. I want to do some programming with the latest JavaFX, which requires Java 8. I'm using IntelliJ 13 CE and Mac OS X...

How to get_absolute_url with domain in Django template?

So I am struggling a bit, with something that logically seems so simple but due to my limited understanding of Django I am not sure where to look and how to formulate a solution. Basically I have...

Xcode iOS Development signing identity

I have a problem getting a iOS Development signing identity into Xcode. I have tried loads of things to get it working but I keep failing. I have went the automatic way and let Xcode do it all but...

Android repo sync doesn't create src directories

I'm trying to compile AOSP for 6.0.1 from source. There's a strange issue I'm seeing for which I haven't found similar posts. After downloading the source using repo sync -f, repo finishes, but...

Confusion regarding kernel version, device tree, and buildroot

I was provided with a 3.0.35 linux kernel for an arm i.mx6 board that uses the older "board file" format, as well as an older (2013.02) buildroot repo that has been used to generate the proper...

Chrome developer tools blackbox option isn't there?

I can't find the option to blackbox code anywhere on the chrome developer tools. It also doesn't give me the option when I right-click a file. I am using the latest version. This link that was...

VSTS Build Failure MSB1009 Project File Does Not Exist

I have a simple Solution tree: Repository: DFW-SPF-Website |-- Solution: DFWSPFWebsite |-- |-- Project: DFWSPFWebsite In my previous post I explained the contortions I had to go through to get...

Descending orderByChild() on firebase and Ionic 2

I need get items sorted by date, but obviously I need descending sorted to show the posts in correct order... import { AngularFireDatabase } from 'angularfire2/database'; import...

what is the best way to mock window.sessionStorage in jest

Below is a very simple jest unit test and when running it, you will get error like Cannot spyOn on a primitive value; undefined given TypeError: Cannot read property 'getItem' of undefined but...

Reading data from Arduino to Python using bluetooth

I'm sending data with Arduino through Bluetooth (jy-mcu HC-06), using this simple code: int a; void setup() { Serial.begin(57600); a = 0; delay(2000); } void loop() { Serial.println(a); ...

How to update ApolloClient authorization header after successful login?

Basically, we have this in our index.js file to set-up the ApolloProvider authorization to make queries / mutations. import React from 'react'; import ReactDOM from 'react-dom'; import App from...

Static web hosting on AWS S3 giving me "403 permission denied"

I will appreciate if anyone can point me out where I'm doing wrong. see below steps I have a domain name in route53. Based on the domain name, I have created a bucket name ( for sake of my...

Save an appointment with EWS leads to System.ArgumentException: An item with the same key has already been added. Key: Dlt/1916

I'm trying something new and got an old project working with EWS (Exchange WebService) and I'm trying to debug, as it's currently not working correctly. The error I get is this one: fail:...

Google Play Games Service in Unity doesn't authenticate

GPG service does not work It shows the native GPG window, but when it’s closed the PlayGamesPlatform.Instance.Authenticate() callback returns NetworkError In the Google Play Console: Created...

IntelliJ: (Coverage): Error during class instrumentation: ... java.lang.ArrayIndexOutOfBoundsException

This affects both IntelliJ 2019.3 and 2020.1 (latest as of this post) Ultimate Editions. Code coverage is missing for *some* classes, while other classes continue to show coverage. Stating the...

WP database error Unknowon column ‘wp_’ in ‘field list’ for query SELECT wp_

Please do not close this question, it's not a duplicate and the suggested link explaining how to use quotes on MySQL does nothing for me since this problem is inside a WP script. Thanks I’m...

How to save a very large numpy array as an image, loading as little as possible into memory

My program is often working with numpy arrays that are very large ((819200, 460800, 4), uint8). To store this in memory (as just pure zeros) I would need over 1.3TB of memory which is absurd. My...

Debugging Vue.js in VS Code broken

I am developing a Vue.js web app (Vue 2) in Visual Studio Code and using the chrome debugger extension. I set this up many months ago following the advice from this SO...

Is there a new version of Xamarin.OpenId.AppAuth.Android?

I have been following an Okta tutorial from 2018 (which is the latest I can find) about adding OAuth to a Xamarin Forms and it references Xamarin.OpenId.AppAuth.Android which according to Nuget is...

How do i send a success status code to the front end using node.js?

I have recently started using node.js as my backend and I have successfully posted data to the database, the problem that I am facing now is telling the front end that data has been successfully...

AWS Lambda using boto3.client('iot-data') TIMEOUT as of 2021-01-26

I have a very simple AWS Lambda function that has been firing every few seconds for 3 months without fail import boto3 shadow_client = boto3.client('iot-data') def lambda_handler(event,...

Opening Realm files of format version 5 is not supported by this version of Realm

I can't find a way to read my Realm file. I assumed Realm is backwards compatible. The Realm objects/attributes/classes have remained exactly the same. I tried changing the schema and also tried...

AWS Pyspark Glue job fails at glueContext.write_dynamic_frame.from_jdbc_conf

Working with a job in AWS Glue to perform an upsert from S3 to Redshift I ran into this error: exception: java.sql.SQLException: [Amazon](500310) Invalid operation: relation "public.#table_stg"...

Why can Java not connect to MySQL 5.7 after the latest JDK update and how should it be fixed? (ssl.SSLHandshakeException: No appropriate protocol)

In the latest update to the JDK in April 2021 (11.0.11+9-0ubuntu2~18.04) support for TLSv1 and TLSv1.1 was dropped, presumably because since March 2021 those versions are no longer supported. This...

Fatal error with ggplot after updating to latest Rstudio version

Recently, when booting up Rstudio v1.3 Apricot Nasturtium, a message appeared in the console warning that: R graphics engine version 14 is not supported by this version of RStudio. The Plots tab...

<package> uses or overrides a deprecated API

I was trying to upgrade my project to some of the latest versions, I'm unable to get to null-safety since some of the dependencies in the project haven't been updated. I've resorted to sdk version...

How to memory-map a PCI BAR using PCIDriverKit?

How to memory-map a PCI Base Address Register (BAR) from a PCIDriverKit driver (DEXT) to a userspace application? Memory-mapping from a driver extension to an application can be accomplished by...