Is lineage os safe to use工作

筛选

我最近的搜索
筛选项:
预算
类型
技能
语言
    工作状态
    2,000 is lineage os safe to use 份搜到的工作,货币单位为 HKD
    Portugal Saft system 已经结束 left

    ...acordo com o ponto 2.4 do Despacho n.º 8632/2014 de 03 de julho do Diretor Geral da Autoridade Tributária e Aduaneira sendo que o 1º documento pertence à série F com o nº 23 do dia 14-01-2022 e o 2º pertence à série D com o nº 3 do dia 12-01-2022 e respetivo PDF. (Note que, de acordo com o ponto 2.4.2, deve ser criado um novo documento do mesmo tipo que recolha todos os elementos do documento manual emitido, significando que todos os elementos são de introdução livre, por exemplo: denominação usual, quantidade, preço, valor do imposto, total de imposto e do documento, etc.); T30. Simule a integração de 2 documentos (de 30-01-2022) de acordo com o pon...

    $218 / hr (Avg Bid)
    $218 / hr 平均报价
    4 个竞标

    您好,Customer Is M.。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $16 / hr (Avg Bid)
    $16 / hr 平均报价
    1 个竞标
    it is a good projects 已经结束 left

    我需要一个新网站,我需要您设计和创建我的博客。希望您有相关的专业技能,是有经验的人可以好好做这件事

    $1108 (Avg Bid)
    $1108 平均报价
    4 个竞标

    我需要重修一个现有的网站。我已经有设计方案,我需要你为我的项目建立一个网站。

    $1365 (Avg Bid)
    $1365 平均报价
    12 个竞标

    Mac C或C++ 苹果系统 MAC OS APP开发 总需求:开发一个应用程序,完成与USB设备通信,调用C语言 函数完成功能,在界面上显示对应数据 要求: 1. 提供APP源代码,注解 2. 打安装包

    $139542 (Avg Bid)
    $139542 平均报价
    4 个竞标
    写些软件 - Repost 已经结束 left

    Mac C或C++ 苹果系统 MAC OS APP开发 总需求:开发一个应用程序,完成与USB设备通信,调用C语言 函数完成功能,在界面上显示对应数据 要求: 1. 提供APP源代码,注解 2. 打安装包

    $107723 (Avg Bid)
    $107723 平均报价
    1 个竞标
    写些软件 已经结束 left

    Mac C或C++ 苹果系统 MAC OS APP开发 总需求:开发一个应用程序,完成与USB设备通信,调用C语言 函数完成功能,在界面上显示对应数据 要求: 1. 提供APP源代码,注解 2. 打安装包

    $117211 (Avg Bid)
    $117211 平均报价
    7 个竞标

    Produce a English version for a chinese website, which is developed by chinese developer and provides cloud based screenshot service. 我们开发了一个截图工具网站。这个网站包括网站本身,一个APP,以及一个chrome浏览器的扩展插件。 我们面向的用户群主要是海外的互联网从业人员(如产品经理/设计师等),因此,我们急需一个熟悉了解海外互联网,经常使用海外尤其是美国互联网产品/社交媒体,同时精通中文的网站文案写作及营销人员,来为我们进行网站的文案写作(大约10个页面)。并且我们希望后续也能够把社会化媒体的营销推广,广告的投放,甚至于SEO的相关工作一并交付。 这个工作大致可分为两部分,一部分是网站初期的整体文案写作工作。这个大概需要在3~5天内完成。 这个工作完成后,我们会再探讨后续的长期的营销推广工作的合作方式。

    $819 (Avg Bid)
    $819 平均报价
    2 个竞标

    具体加微信商量 The creature should be designed so that it can be instantiated as an object. You should be able to create instances of the creature with varying sizes through a single float argument passed into the constructor. The location of the object should vary each time the constructor is called. In addition to the constructor, make sure that the class implements all of the methods of the AnimatedObject Interface (and i have the required codes)

    $234 - $1951
    $234 - $1951
    0 个竞标

    create website use wordpress was completed Now hire you to the web safety one year for $60

    $804 (Avg Bid)
    $804 平均报价
    3 个竞标

    我有进行中的、与之前的项目相关的工作create website use wordpress '

    $78 - $78 / hr
    $78 - $78 / hr
    0 个竞标

    Use Auto Post Pro or similar plugins to set up the automatic news posts from about 30 different website feeds. Chinese language website. Auto Post Pro plugin already installed.

    $1358 (Avg Bid)
    $1358 平均报价
    3 个竞标

    build a powerful website for B2C use. It‘s need a beautiful page and operate simple with many languages like English and Chinese in both front and backstage. Need to support paypal, VISA,Strill and membership ,can leave a message. reference website:

    $5197 (Avg Bid)
    $5197 平均报价
    10 个竞标

    Respond to me now!you hear me?jdkdjjfjcjxjfjdjdjdjdjdjfjfjfjjfjfjrjrjdjfujdjdjdjdjrhrjdjfucjvuvigjgjfjtnrbbrbrjfifigigjvjrnrbrjrjrjrjfjfjfjrjrjrjrjrjrjrjrhrhrjrjridifif

    $1170 (Avg Bid)
    $1170 平均报价
    1 个竞标

    我有一个持续工作,之前与之相关的项目为'FIN567 - Class Project - My Budget is around $100'

    $117 / hr (Avg Bid)
    $117 / hr 平均报价
    1 个竞标
    Find ANDROID BOX 已经结束 left

    外形: 参考APPLE TV,FIRE TV,PS4等 硬件参数参考(可以不一样,但总体性能不能差): 处理器:Cortex-A9,双核1.5GHz GPU:Mali-400, 双核 400MHz 内存:1GB DDR3 用户内存:4GBeMMC 蓝牙4.0 无线局域网:2.4GHz/5GHz 802.11 a/b/g/n OS: ANDROID 4.3 或更高 我希望硬件是可以直接买到的成熟产品,然后可以刷写自己的ROM到里面去。 因为我自己做硬件成本太高。 简单来说,我需要成品稳定的ANDROID BOX,然后里面的ROM可以自己编译刷写。

    $1639 (Avg Bid)
    $1639 平均报价
    1 个竞标
    it is easy to find u 已经结束 left

    我有一个很有创意的app想法,我觉得这个app软件所带来的效益远远大于app软件本身,我想和你合作。希望能和你共同讨论。对于这个项目的经费我觉得咱们可以商量。这是我的邮箱zhangfei199007@,希望能和你讨论 。

    $1170 (Avg Bid)
    $1170 平均报价
    1 个竞标

    I'm looking for a modern and minimalist logo that combines both text and icon elements. The primary use of this logo will be for my online presence, such as my website and social media platforms. Key Requirements: - Combination of text and icon. - Modern and minimalist style. - Suitable for online usage. Ideal Skills and Experience: - Previous experience in creating combination logos. - Ability to design in a modern, minimalist style. - Understanding of best practices for online logo design. - Strong portfolio that showcases relevant work. - Excellent communication skills to understand and deliver on my vision for the logo.

    $179 (Avg Bid)
    $179 平均报价
    23 个竞标

    Lanaçamos anúncios e vídeos promocionais com jogos e promoções da empresa diariamente, inclusive gameplays de múltiplos jogos. Precisamos de videomaker com habilidade de criar vídeos com 3D de alta qualidade e em grande quantidade. Home office ou presencial, envie sua oferta de salário.

    $13264 (Avg Bid)
    $13264 平均报价
    14 个竞标

    IMMEDIATE REQUIREMENT I'm in need of a photographer to cover a life science conference. No knowledge os science is needed as pictures of slides presented should be captured well. Dates: 19-20 Sep (2 days) Location: San Diego Budget: $300/day Travel, F&B, and accommodation will be provided. Please come prepared to share some examples of previous work, especially that related to indoor events.

    $1951 - $5852
    本地 加急
    $1951 - $5852
    0 个竞标

    ...Been Agreed Upon. Explanation: According to Article 8 of the UAE Arbitration Law, “1- A Court before which a dispute is brought in a matter covered by an arbitration agreement, shall declare the inadmissibility of the action, if the defendant has raised such plea before submitting any request or defence on the substance of the case, and unless the Court finds that the arbitration agreement is void or incapable of being performed. 2- Where an action referred to in the preceding Clause has been brought, the arbitration proceedings may nevertheless be commenced or continued, and an arbitral award may be made”. This provision is parallel to Article 8 of the Model Law which provides that “(1) A court before which an action is...

    $1077 (Avg Bid)
    $1077 平均报价
    44 个竞标

    I'm looking for an expert to help me with my existing business. The primary goal is to increase sales through Conversion Rate Optimization on my WordPress site. Additionally, I'm also in need of comprehensive branding and On page SEO services. Main Responsibilities: - Implementing proven CRO strategies to boost sales and branding on a WordPress website for an Agile Enterprise Coach utilizing SAFe framework. - Build 4 pages: A CRO home page landing page, about page, case study page, and contact page. - Developing a complete brand identity package including using and header image provided. Ideal Skills and Experience: - Proficiency in WordPress, particularly in CRO techniques. - Proven experience in boosting online sales

    $3332 (Avg Bid)
    $3332 平均报价
    16 个竞标

    ...include: - Supporting multiple operating systems: You should be experienced in working with Windows, macOS, and Linux. - System maintenance: Regular maintenance of our servers is essential for smooth operations. This includes updates and ensuring all systems are secure. - Network troubleshooting: You'll be responsible for keeping our network up and running. Troubleshooting issues as they arise is crucial. - Software installation and updates: You should have experience managing software installations and updates across different operating systems. - Server configurations: You will be expected to configure our server according to our needs. Ideal skills and experience for the job: - Proven 2+ years of experience as a system administrator - Expertise in Wi...

    $94 (Avg Bid)
    $94 平均报价
    3 个竞标

    I need to use a plugin in word press/woocommerce to provide payments via wire for amounts excceding $xxx in our word press with out exposing our bank details to the customers

    $234 (Avg Bid)
    $234 平均报价
    33 个竞标

    ...skilled freelancer to help me transfer an application from my old Windows server to a new one. The server is currently running on Windows OS and the application is built with Visual FoxPro 9 and ASP.NET Key Requirements: - Proficiency in Windows server management and application migration. - Experience with Visual FoxPro 9 and knowledge of its compatibility requirements. The new server must have the following installed: - ASP.NET Framework 3.0 or higher - Visual FoxPro 9 - Office 2019 Please make sure to include in your proposal any related experience and specific skills that make you a suitable candidate for this project. Project Description I'm currently in a bit of a tight spot. A Windows Server 2016 web application () was recentl...

    $429 (Avg Bid)
    $429 平均报价
    13 个竞标

    I having a Application project on vitis that i need to run to see the result on zynq zedboard . Since i dont have the board , im looking for someone to run it and instruct me how to set up the zedboard to run the project. Im working on Windows OS

    $195 (Avg Bid)
    $195 平均报价
    5 个竞标
    Modify Excel Macro for macOS 6 天 left
    已验证

    I have an Excel file with a macro that I need to be updated for compatibility with Excel for Mac 2019 or later. The current macro's compatibility with macOS is unknown to me, and I need an expert to assess and modify the code as needed. Key Requirements: - Update the existing macro for compatibility with Excel for Mac 2019 or later. - Ensure the modified macro functions correctly on a MacBook Pro 2018 intel OS Ventura. Ideal Skills and Experience: - Proficient in Excel VBA and macros. - Extensive experience in adapting macros for cross-platform compatibility. - Knowledge of macOS compatibility issues with Excel macros.

    $203 (Avg Bid)
    $203 平均报价
    26 个竞标

    I am seeking a professional to develop a software that can efficiently extract and present the scripts used on a list of URLs provided. The software should be able to handle up to 1000 URLs at a time and run specifically on Windows. Key requirements include: - Extracting scripts: The software should be able to seamlessly access the provided URLs and list the scripts used on each page. - Bulk processing: The software should be capable of handling a significant amount of URLs, up to 1000 at once. - Windows compatibility: It is essential that the software is designed to run on Windows OS. Website Accessibility: - Restricted access: Websites that require restricted access or login should be identified and reported separately. The...

    $3808 (Avg Bid)
    $3808 平均报价
    78 个竞标

    I'm looking for a skilled software tester to help with the beta testing of my latest software program. Key Requirements: - The software program is designed for Windows operating system, so you need to be well-versed with this environment - The main focus of the testing should be on the performance and speed of the program Ideal Skills and Experience: - Previous experience in software testing, especially beta testing, is highly preferred - Strong understanding and experience working with Windows OS is a must - Ability to analyze and report on software performance and speed, providing actionable recommendations for improvement

    $156 (Avg Bid)
    $156 平均报价
    9 个竞标
    Software Program Beta Testing 5 天 left
    已验证

    I'm looking for a skilled software tester to help with the beta testing of my latest software program. Key Requirements: - The software program is designed for Windows operating system, so you need to be well-versed with this environment - The main focus of the testing should be on the performance and speed of the program Ideal Skills and Experience: - Previous experience in software testing, especially beta testing, is highly preferred - Strong understanding and experience working with Windows OS is a must - Ability to analyze and report on software performance and speed, providing actionable recommendations for improvement

    $172 (Avg Bid)
    $172 平均报价
    12 个竞标

    I am in need of a Windows compatible automation software that can efficiently handle a range of tasks including data entry, file management, and email/notification management. I need the project completed as soon as possible. Key Requirements: - Windows Compatibility: The software should be designed to run smoothly on Windows OS. - Multiple Task Automation: The software should be capable of automating data entry and processing, file management, as well as email and notification management. - Quick Turnaround: The project ideally should be completed ASAP. Ideal Skills and Experience: - Proficiency in Windows software development. - Prior experience in developing automation software. - Strong understanding of data entry, file management, and email handling processes. Plea...

    $4174 (Avg Bid)
    $4174 平均报价
    51 个竞标

    ...web developer to create a fully functional e-commerce website. The site will be dedicated to selling a range of products and will need to incorporate various key features to ensure a smooth and secure shopping experience. Key requirements: - The website should have a visually appealing and user-friendly design, with a clear focus on the products. - The primary goal of the site will be to facilitate online sales, so it's essential that the developer has experience in creating successful e-commerce platforms. - It's crucial that the site supports a shopping cart feature, enabling customers to add, remove, and manage their selected products easily. - Customer reviews play a significant role in building trust and credibility. The site mus...

    $1662 (Avg Bid)
    $1662 平均报价
    146 个竞标

    ...Specifically, I'm unable to send messages. The automation is running on Windows and the script is written in Node.js. Key requirements: - Diagnose and fix the issue: The core problem lies in the inability to send messages. As such, the ideal candidate should have a strong understanding of OpenCV and related concepts, as well as experience with automation on WhatsApp. They should be able to quickly pinpoint the issue and implement the appropriate solution. - Windows proficiency: The automation is running on a Windows platform. The ideal candidate should be familiar with the quirks and intricacies of automation on this OS. - Node.js expertise: The script is written in Node.js. The freelancer should have comprehensive experie...

    $94 (Avg Bid)
    $94 平均报价
    3 个竞标

    ...lighting company, "LumLight" that manufacturers and distributes lighting for homes and commercial use. . Below are some key points to consider when creating this logo: They integrate a technology that allows for quick and safe installation of lighting. It also using cutting edge smart lighting technology. Logo presneted NO 3D LOGOS . final seleceted freelancer would need to work with us on finilizing it with our modification request and also would need to provide source font used. - The logo should have a modern and TECHY aesthetic, fitting the current trends in design. - It should incorporate elements related to lighting technology, but in a subtle and sophisticated way. - While this is important, the emphasis should not b...

    $1880 (Avg Bid)
    加精 加保
    $1880
    2031 项参赛作品

    ...a Micro Project which shouldn't take more than 10-15 MINUTES to solve I'm encountering severe issues with the build process of my Liferay project. I require a freelancer who can effectively optimize the build process and resolve the issues encountered during the build. The overarching goal is to significantly reduce the time taken for the build and ensure the project can be built without any failures. Specifically I am just facing issues configuring the build path and hence getting a Gradle Error Marker for which I have attached a screenshot below. In my opinion the problem just lies in creating the Environment Variables or properly using the correct JDK version required for the task to be completed Note: I am using a Mac OS Ideal skil...

    $70 - $117 / hr
    $70 - $117 / hr
    0 个竞标

    VM CREATION (1 VPS BIND) os CentOS 8 & 9 Stream MINIMAL Direct installation or converted from CentOS 8 Linux. (Recommended) panel add install: nginx server VARNICH APACH very important !!!!!snaphopt image creation just servers working (just os) (without admin panel)!!!I want to be able to do restores, for a new installation of another panel, if necessary.! !!! !! !!!!!! link to server add SSL ADD ALL PHP CGI AND FMP (latest 6 versions)PHP AVAILABLE FOR CUSTOMER FOR ALL SERVER ADD PHP VERSION 7.9 PACHT FMMPEG add latest version change SSH22 port verification example: ns1 . add IP.: add a Mac machine adds IP.: adds mac Example of adding HOSTENAME: my

    $234 (Avg Bid)
    $234 平均报价
    9 个竞标

    I have two websites that need to be merged with a main focus on consolidating information. The current websites are different in design and themes, and I'm looking for a professional who can successfully merge them into a cohesive, user-friendly site. Key requirements: - Consolidate information: The primary goal is to combine and organize the content from both websites into a single, easily navigable platform. The new website should provide a clear and seamless user experience. - Prioritize by relevance: The content should be arranged in a way that is most relevant to the user. This may involve restructuring and reorganizing information to ensure that the most important details are easily accessible. Ideal skills and experience: - Pro...

    $31023 (Avg Bid)
    $31023 平均报价
    69 个竞标

    I'm in need of specialized assistance to create an everyday-use physical product - rolling paper. This project will involve conceptualization to final product creation, hence would require you to have: - Expertise in paper goods manufacturing and design. - Knowledge of the materials used in the safe manufacture of rolling papers. - The ability to create a functional, user-friendly design. - An understanding of market demands and trends. Prior experience in the creation of similar items or in the tobacco industry would be ideal. You would have access to some specific design elements I wish to include and your creativity and innovative ideas will be highly valued. Let's roll into this project together!

    $304 / hr (Avg Bid)
    $304 / hr 平均报价
    10 个竞标

    I'm looking for a skilled artist who can create a replica of an existing image in a cartoonish style. The replication should closely resemble the...details. This new image will be used for digital purposes, such as on websites and social media. Key Requirements: - Replicate an existing image in a cartoonish style - Maintain a close copy of the original with altered elements - Ensure the final output is suitable for digital use Ideal Skills and Experience: - Proficient in digital art and illustration - Strong understanding of proportions, details, and shapes - Experience in creating cartoonish art - Ability to replicate existing images while adding a unique touch - Understanding of digital use and design principles Please provide examples of your previous...

    $187 (Avg Bid)
    $187 平均报价
    53 个竞标

    i need to get the services of a developer who understands PHP & Java to correct and update some open source software. I have access to raw code and git hub library. Programs work, but needs some adjustments to get them to operate properly. There is not a lot of parts of the the different software that needs correcting and so i would not expect it to take too long, as most of the features work fine, but there are some features that are not working in correct manner. I want to start off with one application fix. Then if work fine, we can work together to add extra features.

    $6375 (Avg Bid)
    保密协议
    $6375 平均报价
    33 个竞标

    ...proficient in creating a professional drawing of my mixed-use building purchased in 1973. Unfortunately, the DOB and HPD don't have an original layout drawing of my property, which is hindering my process of applying for a Letter of No Objection (LNO) and obtaining a Certificate of Occupancy (CO). The preferred freelancer will have: - A track record in architectural drawing and a deep understanding of building standards prior to 1938. - Proficiency in making comprehensive drawings without original blueprints or plans as a reference. - Broad experience in designing detailed plans that are acceptable for DOB and HPD procedures. - Ability to deliver work within an agreed timeline, as speediness is crucial for this project. This is an urgen...

    $7311 (Avg Bid)
    本地
    $7311 平均报价
    2 个竞标

    I'm looking to create a state-of-the-art casino application in React.js. The application will include popular games like slot machines, poker tables, and blackjack tables. A crucial aspect to mimic an authentic casino experience. Design-wise, I want the application to have a sleek, modern aesthetic. It needs to look cutting-edge and attractive to users. Key functionality includes: - User Account Management: Freelancers with experience in implementing features allowing users to create, manage their accounts are desired. - Cash/Token Management: The application will need a system to manage cash or tokens for the games. It requires a safe and secure system to ensure users can easily manage their money within app. Ideal ...

    $74187 (Avg Bid)
    $74187 平均报价
    84 个竞标

    I'm in need of someone skilled in creating simple woodworking projects. I'd like to produce an easy-to-assemble wooden reindeer kit that is small in size, around 1-2 feet when fully assembled. - Skills & Experience Needed: - Expertise in woodwork and product design - Experience designing DIY kits - Knowledge of safe, light, and durable wood types for DIY crafts Your task will be to design, prototype, and provide assembly instructions for this DIY wooden reindeer kit. The final product must be something that even a woodworking beginner can assemble with ease. Please ensure that the finished reindeer should not exceed 2 feet in height. The design should be unique, creative and, of course, appearing like a lovely reindeer. This p...

    $281 (Avg Bid)
    $281 平均报价
    20 个竞标

    I'm in need of a skilled photo editor to work on a batch of 10 raw images initially. If the initial batch is to my satisfaction, I have more photos that will need editing. The photos are of jewellery (earrings, necklaces, bracelets), so the metal and stone colour should be clear. Requirements: - Expertise in working with RAW format (NEF to be precise) - Ability to edit photos in a natural and subtle style - Proficient in cropping and grading images The edited photos will be used for online publication, so it's important that the quality be top-notch. If this goes well, I will have more work for you in the future.

    $765 (Avg Bid)
    $765 平均报价
    133 个竞标

    Rebuilding a fullscreen section in Elementor on your server Content Homepage / Fullscreen Section: Animated font Animated flipping image menu Please only report freelancers who can realize this today. It is not a very big task Thank you

    $374 (Avg Bid)
    $374 平均报价
    32 个竞标

    I am in need of a skilled developer to build a YouTube shorts editor. This editor needs to be compatible with both Windows and MacOS operating systems. Key Functionalities: - Ability to overlay text on shorts - Include transition effects - Incorporation of sound effects The editor does not require a wide variety of output file formats, as the user opted out of answering related questions. Ideal candidate: - Familiarity with YouTube shorts - Experience in OS compatible software development - Knowledge of text overlay, transition effects, and sound effects integration.

    $1795 (Avg Bid)
    $1795 平均报价
    9 个竞标

    ...will need to help me create any needed AI access and License accounts. I am seeking a proficient developer to create an AI-based tool that automatically animates, lights and composes CG characters into a live-action scene using AI and Machine learning. Using all the proper rigging of the the 3D Characters. I'm also needing you to create an AI-powered video dubbing feature for this software that can operate smoothly on Windows OS. This software should have the capability to dub videos into over 100 languages, making it a tool of immense value for content creators, filmmakers, and marketers looking to reach a global audience. I will need other features that top Ai dubbing software programs have. I will what those are with the bidders th...

    $19507 - $35112
    加封 保密协议
    $19507 - $35112
    21 个竞标

    I require a skilled website developer who can build an informational website for me, ensuring it is user-friendly and satisfies the following criteria: - It should feature engaging use case content that is easy to navigate by visitors. - The website's interaction should be based mainly on allowing users to efficiently search for information. Previous experience in creating similar informational websites would be beneficial to achieving the best results. Knowledge in effective SEO practices is also highly desirable.

    $929 (Avg Bid)
    $929 平均报价
    70 个竞标

    I'm in need of a skilled web developer to help create an e-commerce website. The primary functionality of this site will revolve around order processing. Necessary features should include: - Shopping Cart: This is crucial for users to be able to collect products before checking out. - Product Search: Visitors should easily find specific products they are looking for on the website. - Secure Checkout: Security is crucial, the checkout process needs to be safe and secure for users to input payment details. Ideal candidates would have experience with creating similar e-commerce websites and an understanding of user registration process is beneficial. Knowledge of inventory management would also be beneficial, however it...

    $19414 (Avg Bid)
    $19414 平均报价
    263 个竞标
    Trophy icon Picture Editing for Personal Use 1 天 left

    ...skilled photographer who is adept at enhancing and editing pictures. The pictures I need to be edited are meant for personal use, and they are a of a father and son. Key Requirements: - Color Correction - Retouching - Background Removal - The pictures should be edited in a natural and realistic style. I'm looking to work with a professional who can make these pictures even more special. Ideal Skills and Experience: - Proven experience in picture editing, especially for personal use - Ability to deliver clean, natural and realistic editing - Attention to detail - Strong communication skills, as we may need to discuss the editing direction. Please provide examples of your previous work, especially if you've edited fa...

    $117 (Avg Bid)
    加保
    $117
    56 项参赛作品