Unhandledpromiserejectionwarning async await jobs

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    3,143 unhandledpromiserejectionwarning async await jobs found, pricing in USD

    Async Socket TCP on C# desktop app

    $23 (Avg Bid)
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    I have ios app by flutter. but dialing functions doesn't work. android version works well but only ios app have issue. void _launchUrl(String url) async { if( await [login to view URL](url)) { await [login to view URL](url); } else { print('Could not make call to ' + url); } } if you are flutter expert and have experience like this, then please place bid in here.

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    I have ios app by flutter. but dialing functions doesn't work. android version works well but only ios app have issue. void _launchUrl(String url) async { if( await [login to view URL](url)) { await [login to view URL](url); } else { print('Could not make call to ' + url); } } if you are flutter expert and have experience like this, then please place bid in here.

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    I need my Laravel web app to be able to work offline and store input data and once it detects online connectivity, will sync to update the db tables online. I need someone with strong knowledge in Laravel +mySQL, Service Worker and the following offline development tools: 1. javaScript's async/await syntax, 2. sw-precache, sw-toolbox, workbox 3. indexedDB

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    Hello, I'm write javascript for user wallet balance update which each wallet will have code prefix like MW, SA, DG, WM (See my current code here [login to view URL]) I want expert javascript making async/await for balance update for each request and make my script clean & fast

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    Based on our conversation earlier today, I would like to hire you to develop 3 Power BI dashboards/reports for my client in Toronto Ontario. As promised, I have created for you a user account, provided licenses (Office 365 Premium & Power BI Pro) and access to SharePoint Site Collection that will contain the custom list framework and data. I will submit the Excel spreadsheet that was used as...

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    We need a plugin/module for major webservers (at least nginx,apache,IIS) that allows to alter html pages before they are sent to clients. In particular we need to recognize some scripts or iframe in the page, based on their content, and to add or alter some attributes of the corresponding tags. Example Given the following script <script async src="[login to view URL]****" data-...

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    **Responsibilities** #Develop and design the back-end architecture of a cloud-based web application #Write reusable, testable, and efficient code #Implementation of security and data protection #Integration of data storage solutions #Integration of user-facing elements developed by front-end developers with server-side logic #Help ensure we have a smooth software pipeline for continuous and fast d...

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    Hello - I am wanting to use SendGrid API to send an email with an attachment. My code goes through execution with no issues, but when I view the [login to view URL] I get a BadRequest Can someone with SendGrid experience remedy this issue for me? var msg = [login to view URL](from, to, subject, plainTextContent, htmlContent); var listAtta = new List<FileAttachment>(); [login to view URL](...

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    i have script that makes trading between exchanges, it was working but i made some revisions and it is not showing some results of calculations. - I need calculation functions to be fixed - I need trading functions to be fixed - I need script to run flawless (no ip ban , no error from server) Script is connected to test account. Script uses nuxt, nodejs, api calls async/await Need experinced Dev ...

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    i have script that makes trading between exchanges, it was working but i made some revisions and it is not showing some results of calculations. - I need calculation functions to be fixed - I need trading functions to be fixed - I need script to run flawless (no ip ban , no error from server) Script is connected to test account. Script uses nuxt, nodejs, api calls async/await Need experinced Dev ...

    $135 (Avg Bid)
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    Hello everyone, I need an application that allows me to collect payments, that is, I make a loan and on a certain date it must be paid, and this must be notified in the app. The application must have the part of the administrator that should allow to see how many customers you have and on what dates you should be charged, in addition to letting you know if a pogo is delayed or advanced, all this t...

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    Please read this before placing a bid! I need a serial parser to be written, that parses data send via rs232 to a windows computer. It should be async and bullet proof. For example if the serial port isnt avaible while program is running (for example because a usb-rs232 serial port is disconnect at runtime and is reconnect), the parser should try to reconnect the port until he gets connection bac...

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    Hi, I have seen your profile and I would be interested you have your services .. I have multiple websites in Italy and I would like to know if you can help me with SEO I await your response

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    I'm having trouble installing the Async pro comport component in Delphi 2010. I need someone who is familiar with installing Delphi components. This should only take 10 minutes via teamviewer for an expert.

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    Goodmorning everyone. My research concerns the creation of a 3d configurator of a product, creating a dedicated app (WINDOWS, IOS AND ANDROID) that allows modification of the product in terms of dimensions, colors and accessories. The product is a cube of 2x2 meters in the standard version, which can be opened with an automatic system and inside it contains a series of accessories for the various...

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    We want a VPS control panel supports Proxmox virtual enviroment ([login to view URL]) and related WHMCS module. Proxmox has provided full-featured API, includes VM management, VNC, snapshot, backup and so on. The control panel must consists of a server and an agent. For async tasks such as VM clone and snapshot creation, the agent should monitor the status of those tasks and report back to the s...

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    A letter before claim to be sent by a Lawyer based in Bangkok in Thai to a business for a breach of Thailand consumer law. Details to be given in English and nature of breach and Lawyer to await reply as a prelude to legal action if necessary.

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    This is a paired programming task! You and me will work together, since I have to understand your solution. (Im a senior frontend developer). I need someone to help me out quickly with some Unittests / End-to-End tests that I can't get to work. This should not take more than a few hours. Techstack: React.JS + ApolloClient + Jest + Enzyhme. We are using ApolloClient as our global state mana...

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    The job is to design a map of Dublin City Centre in both PDF & JPG, created in Illustrator (you must also send through the illustrator file). The image will be part of a premium Dublin guide book so the design must be of high quality. The size is 296mm (w) X 190mm (l). I will provide street names to be included, along with the area of Dublin to be mapped. I'm looking for a simple design ...

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    Need an expert with experience to solve problems independently and understand bottlenecks, shared memory, queues, and how to test edge cases.

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    [login to view URL] line-chart using Rxjs Websocket on Angular Project must be in angular 8 Websocket must be from Rxjs Create simple angular page with chartjs line chart Data on Y axis should be streamed through websocket (async) Websocket must be implemented as service using observables

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    I’m looking for a partner to work with to design me a web application (website ) and the apps to go with it for. Crowd funding website The clone refremce website and features will be [login to view URL] It will need to be a exact copy with same features Responsive and have all the admin backend ,front end and user interface Please only message or place a offer if you are serious and c...

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    looking for .net expert for solving error in the nopcommerce website. website is [login to view URL] error showing like this An error occurred while starting the application. SqlException: Could not allocate space for object '[login to view URL]'.'PK_Log' in database 'DizaboAeDb' because the 'PRIMARY' filegroup is full. Create disk space by deleting unne...

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    looking for .net expert for solving error in the nopcommerce website. website is [login to view URL] error showing like this An error occurred while starting the application. SqlException: Could not allocate space for object '[login to view URL]'.'PK_Log' in database 'DizaboAeDb' because the 'PRIMARY' filegroup is full. Create disk space by deleting unne...

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    The essence of the application - before buying a wall map of the world, a person can try on his wall what size he likes best and fits on his wall. It is possible with a marker, it is possible without a marker (if you mate) The steps below will be implemented sequentially. Stage 1: Just hang a card on the wall, select the desired size from 4 variants. Stage 2: In the second stage of the applicat...

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    We are looking for a fulltime (40 hrs/week) C# developer. We are working with Ms SQL server as database and entity framework core and rewriting all our code to async for most performant application code and might migrate part of the database to a nosql solution in the future. It's a permanent and long term position.

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    An established Houston-based Software Development company is looking for a talented, well-spoken American local who is eager to prove himself/herself. - American Accent and dialect a must - Proficient in communication, both written and verbal - Self-motivated individual - Comfortable with Telecommunication as and when required Experience no-bar, we are just on a lookout for the right individu...

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    An established Houston-based Software Development company is looking for a talented, well-spoken American local who is eager to prove himself/herself. - American Accent and dialect a must - Proficient in communication, both written and verbal - Self-motivated individual - Comfortable with Telecommunication as and when required Experience no-bar, we are just on a lookout for the right i...

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    PLEASE READ THIS CAREFULLY AND THEN DESIGN TO YOUR PERFECTION! ONLY DESIGN using Illustrator or Corel Draw. No photoshop people please! Use logo of the company - attached logo in PDF and PNG Format This will be an A5 flyer double Sided (Portrait) Use Yellow and Black colours only Also find attached the previous leaflet design we designed. We want this a bit better now. This is only so you can see...

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    A section is needed where the customer will place the product url and capture the data of the Amazon Api (Optional, Newegg, Ebay), making a scraping. Capturing, weight, description, name and image of the product. When capturing the data, you perform an operation taking into account the weight of the product, the price and the national shipping and after this make a conversion to the National Peso....

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    i have a script made in nodejs that trades between exchanges, these exchanges have apis and script makes calculations between them then trading between exchanges, some devs worked with code and it is not working properly ,files attached plz review them well. it is nuxt project , using a test account , it should make calculations but giving error [login to view URL] this is api doc plz review it we...

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    I have an interactive customer operator and am experiencing some issues. First, on some android phones, php _SESSIONS doesn't work well. Second, my way of sending the photo from the client phone to my server is very slow, if the client is using a 3g, sometimes the photo is not even sent, I need something that compresses the image to be sent more fast. I'll leave before hand, that seve...

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    A few problems in my wordpress installation. They were all things are working and then suddenly stopped working: 1. Photo caption doesn't show up even though caption appears in three places in the media: alt text, caption and description 2. No matter how many times article is shared it always shows as zero. 3. Site can be shared from the buttons below the picture on the top to LinkedIn and...

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    Hi All Please look at this code below carefully. const apigwManagementApi = new [login to view URL]({ apiVersion: '2018-11-29', endpoint: "[login to view URL]" }); let send = async (connectionId, data) => { await [login to view URL]({ ConnectionId: connectionId, Data: `${data}` }).promise(); }; The lambda with this...

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    Hi Im trying to upload an image to S3 but for some reason when I create a user in my app for the first time. The file object from the code below is empty. const dataURL = await [login to view URL]({ mimeType: "image/jpeg", x, y, width: scaledImgWidth, height: scaledImgHeight, quality: 1, pixelRatio: [login to view...

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    I need simple modification in a puppeteer script to handle an event listener. Please check the attached files ([login to view URL] and [login to view URL]) which have only bare minimum lines of code. Change needed in [login to view URL] to trigger [login to view URL] or throw error when an event occurs. This error should be catched and returned to [login to view URL] Please include 'node awa...

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    Hi All Please look at this code below carefully. const apigwManagementApi = new [login to view URL]({ apiVersion: '2018-11-29', endpoint: "[login to view URL]" }); let send = async (connectionId, data) => { await [login to view URL]({ ConnectionId: connectionId, Data: `${data}` }).promise(); }; The lambda with this...

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    Do you know what is crowdfunding about? Would you like to work helping people to make her dreams come true? Do you like SNS and create content? Then, keep reading! →About us:  We’re managing a global crowdfunding platform named Airfunding, donation type  [login to view URL]  This platform can be used worldwide, but one of our major markets is the Philippines →Premises and Job con...

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    *****Please only American bid!!!***** If you have a passion for programming and would like to contribute to an exciting team, we’re looking for someone who can demonstrate and develop their skills. Have you got 5+ years experience in JavaScript? This role will include dev and platform improvement, we're looking for someone who's interested to contribute to design, development and...

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    Hello, i have a web application which i want to integrate with Shopify. the shopify app need to insert in every page (header) a javascript file via async with an apikey (for each user a different)

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    I need an Async expert to parse 1 MILLION RSS feeds and store the data in MongoDB You must have experience with Async functions so the data can be updated quickly as soon as feed updates. Script will run independently on Digital ocean server and keep read/write to remote DB

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    I have an online IDE project for assembly language. The assembly language interpreter is ready and working in js file. Front end webpage for writing the assembly language program and display the results is done and working. This project needs a few changes to be made in the front end in the way how inputs are read and needs html page re arrangements. I am mainly looking for the following changes:...

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    My Heroku Chatbot (NodeJS) App was working finally for a week. After that, something happened and no message goes through to Dialogflow anymore. The Heroku NodeJS error message is: 2019-11-25T17:09:09.308553+00:00 app[web.1]: error sending message to dialogflow! 2019-11-25T17:09:09.308843+00:00 app[web.1]: TypeError: Cannot read property 'charCodeAt' of undefined The code is: async f...

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    Good day. I need a native plugin for the Cordova, which will give the user the possibility: 1) Select multiple videos / photos from the gallery 2) Take a photo / video (there may be several photos / videos) 3) Select a file (not photo or video) Compression on video and picture should be done using native methods. In terms of functionality and UI / UX, this should be a copy of Whatsapp for Androi...

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    Good day, Not sure of your actual cost, I put in $150 CAD, but I don't know what I want to accomplish will cost more or less, or how you would want to work, so let me know based on what I describe below. Our site [login to view URL] has been online since the early 2000's and we really need to improve eCommerce sales. I think we need a full SEO audit, we need to replace negative searc...

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    Requirements: 1. Kiss - Keep it simple sophisticated 2. Website should be RESPONSIVE to all - mobile, ipad, etc 3. You need to install SSL on the website then you need to direct all user to HTTPS. I'm using Hostgator for hosting provider and Cloudflare for my DNS (So you have to be familiar with all of these) (I just wanted to make sure my landing page is secured) 4. Color Scheme:  Backg...

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    İ have a script that works as a trading algorithm in nodejs under nuxt envoriment with express , script havent developed by an experienced DEV ,part of it attached that code have alot of similar functions named [login to view URL] that i need them to converted into for loop iterations as shown in [login to view URL] there are promise and async/await functions. So without crashing any working block...

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    →Name of the job: Support users and manage community of crowdfunding platform →About us:  We’re managing a global crowdfunding platform named Airfunding  [login to view URL]  This platform can be used worldwide, but one of our major markets is the Philippines →Premises and Job content:  ・We're looking for a person living in the Philippines who can take care of managing c...

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