Reusing the same curl handle. Big performance increase?

In a PHP script I am doing a lot of different curl GET requests (a hundred) to different URLs. Will reusing the same handle from curl_init improve the performance, or is it negligible compare to...

Print branch description

Git supports an option to the branch command called --edit-description which it states is used by "various" other commands. One command (at least by default) that it is not used by is git branch...

Storing Images In DB Using Django Models

I am using Django for creating one Web service and I want that web service to return Images. I am deciding the basic architecture of my Web service. What I came up to conclusion after stumbling on...

implement activity stream in django (message broke maybe?)

I am building like a social network website using django, and I need to implement a news feed.I think this is the hardest part in the social website. I've been reading, and I've seen things like...

linking to boost with visual studio 2013

I'm trying to link to several boost libraries (the ones that need to be compiled) in visual studio 2013 and am having trouble doing so. I've installed the boost files by runing from the command...

Linux x86_64 assembly socket programming

Hello all. So I'm learning assembly.And as per my usual learning steps with any new language I pick up I've arrived at networking with assembly. Which, sadly isn't going that well as I've pretty...

std::future and clang with -stdlib=libstdc++

The following program fails to link with clang and -stdlib=libstdc++: $ cat future.cpp #include <iostream> #include <future> int main() { std::future<int> f1 = std::async([](){ return 42; }); ...

modelSim VHDL some input signals not appearing in object window

I'm working on a turbo decoding system on vhdl. The system is not outputing the expected result so I need to debug it. In the architecture of my decoder system, I'm instantiating the blocks...

"ld: symbol(s) not found for architecture x86_64" for OpenCV 3

I have installed OPENCV 3 using CMAKE on mac Yosemite. I am using Eclipse IDE and while building the solution its showing error: g++ -L/usr/local/lib -o "test1" ./main.o -lopencv_imgcodecs...

VC++, /volatile:ms on x86

The documentation on volatile says: When the /volatile:ms compiler option is used—by default when architectures other than ARM are targeted—the compiler generates extra code to maintain...

Can i install mongodb on android and sync with mongodb on my server

I want to develop a offline android app with mongodb as my database. Following are the things i need to implement:- 1)Can i install mongo db on android device If we can do point 1 following are...

Android ViewModel inside Service (Alternative)

I have a service which provides UI that is visible to user most of the time. I was experimenting with new Application Architecture when I came with a problem. MyModelviewModel viewModel =...

Hibernate has difficult with create table using MySQL

I'm doing a school project in architecture client-server with JavaFX, Maven, Hibernate etc I have big problem with implementation alone Hibernate (without Spring). Im not sure that is problem...

How to make retrofit API call using ViewModel and LiveData

this is the first time I'm trying to implement MVVM architecture, and I'm a bit confused about the correct way to make an API call. Currently, I'm just trying to make a simple query from the IGDB...

How to fix pod install error glog is too old or missing react native ios in windows 10

I wanted to detach expo in my expo project to get the bare react native project after expo detach i run pod install bring me this error that during installing glog that script is too old or is...

How to implement micro-frontends with dedicated Native Apps Team?

(Asking for a friend ;-) ) I'm working with Web (react) and Mobile (IOS, Android) teams. And I find that even with a microservices architecture we end up always doing duplicated work at the front...

Xcode 12, building for iOS Simulator, but linking in an object file built for iOS, for architecture 'arm64'

I am trying to get a large (and working on Xcode 11!) project building in Xcode 12 (beta 5) to prepare for iOS 14. The codebase was previously in Objective-C, but now it contains both Objective-C...

Tensorflow 1.14 performance issue on rtx 3090

I am running a model written with TensorFlow 1.x on 4x RTX 3090 and it is taking a long time to start up the training than as in 1x RTX 3090. Although, as training starts, it gets finished up...

How to retrieve the URL of a Cloud Run service with Google Workflow?

I am used to using CI / CD architecture for my deployments on Cloud Run. Each time a deployment has taken place, I have to manually retrieve the URL that I send to my employees by email. My goal...

PhaseScriptExecution error in React Native app

Facing this error when I run react-native run-ios after creating the project Error - error Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65. To debug build...

AWS API Gateway infront of AWS ALB (Ingress Controller) for EKS

I am trying to understand the use of API Gateway along with AWS ALB (Ingress Controller) for the EKS cluster. Let's say, there are 10 microservices in the AWS EKS cluster running on 10 pods. The...

Plain Java library in Android Studio giving compile error inside the editor: Cannot access 'java.io.Serializable' which is a supertype of

I started working on an Android project in kotlin using clean architecture with a data and a domain layer, the domain layer is a plain java-library (no android dependencies) This is the Domain...

Node Sass with apple m1, Big Sur and arm64

Error: Node Sass does not yet support your current environment: OS X Unsupported architecture (arm64) with Unsupported runtime (93) For more information on which environments are supported...

How do you install the Protobuf Compiler (Protocol Buffers / protoc) on Mac M1 ARM?

Here is the link to the Protocol Buffers / Protobuf Github https://github.com/protocolbuffers/protobuf Should I follow the C++ installation instructions? There is no pre-built binary for Mac M1...

How to replace the bundled Dart SDK in Flutter to run natively on Apple Silicon (ARM64)?

Dart SDK officially supports ARM64 and as of now, 2.14.2 is the latest (stable) Dart SDK that has support for ARM64. Though it was the same version that was bundled in my Flutter setup, it seemed...

ld: Invalid value (Producer: 'LLVM13.0.0-rust-1.57.0-nightly' Reader: 'LLVM APPLE_1_1300.0.29.3_0') for architecture arm64

Trying to install and work with zkgroup. Build, run for specific iOS device working fine. But generic archiving is not working. Error text: ld: Invalid value (Producer:...

can't run flutter project on iOS simulator

I have been developing e-commerce app for about 3 months, I switched to MacOs recently. I have a problem when I run my code in iOS Simulator every time I run it I get this message. CocoaPods'...

docker compose prompted error: no configuration file provided: not found

I had setup docker desktop with windows WSL integration version 2 and I run into issue when execute certain docker compose command with following errors docker compose logs no configuration file...

How do I connect to MongoDB, running in Github codespaces, using MongoDB Compass?

I'm trying out Github codespaces, specifically the "Node.js & Mongo DB" default settings. The port is forwarded, and my objective is to connect with MongoDB Compass running on my local...