Found a total of 10000 related content
500 - php curl_exec() method reports 500 error
Article Introduction：Recently, when using the WeChat QR code scanning payment function of a mall, when the code builds a WeChat order and then requests WeChat through curl, the curl_exec function reports a 500 error, and no detailed error message is given. There were no problems when using Alibaba Cloud server and my local test before, because the customer needs now...
2016-07-06
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2458
How to get a WeChat QR code for payment?
Article Introduction：To obtain the WeChat payment QR code, you need to select the merchant platform to apply according to the purpose or use the personal payment function. 1. Business purpose: Visit the WeChat payment merchant platform, submit business license, legal person ID card and other information, log in to the backend after the review is approved, and generate a customized QR code in the "Marketing Tools". 2. Personal use: Open WeChat, go to "Me" > "Wallet" > "Pay" > "Cash Money", generate a QR code with avatar and nickname, and can be saved and used directly. 3. Usage tips: Make sure the QR code is clear and scanable; individual users can set the default amount; corporate users should update the QR code regularly; it is recommended to back up the QR code just in case.
2025-07-07
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257
What to do if the navicat activation expires
Article Introduction：Solutions to expire Navicat activation code: Purchase the official activation code; contact Navicat customer service to apply for the activation code; use the activation tool to generate the activation code (use with caution); reset Navicat and reactivate; use the 14-day trial version.
2025-04-09
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1181
What does 'The user you are trying to reach does not exist' on WeChat mean?
Article Introduction：When you try to scan the QR code or search for a WeChat contact, if you receive a prompt "this user does not exist", it usually means that the target account has been deleted, has never existed, or is temporarily unavailable. 1. The user may have cancelled his account; 2. The WeChat account is entered incorrectly; 3. The QR code expires or is forged; 4. The account is restricted or banned due to violations. If you encounter this problem, you should 1. Recheck the WeChat account or QR code; 2. Try to rescan or refresh the page; 3. Request the other party to provide a new QR code or confirm the WeChat account; 4. Avoid scanning the QR code of unknown origin. To prevent others from encountering this problem, you should 1. Keep your account active; 2. Share QR codes only with trusted personnel; 3. Check your privacy settings regularly; 4. Notify the relevant contacts before changing your WeChat account or canceling your account. In short, the prompt indicates
2025-07-04
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451
How to embed a chat page on WeChat with PHP (customer service function)
Article Introduction：Just like the title; the key is to know whether it is feasible to achieve this requirement. This chat page needs to be able to upload pictures and send some QQ emoticons; PS: We do not need to develop the above customer service function interface with WeChat (because the number of calls is limited). In addition, it would be more troublesome to use socket. So I would like to ask if there are any other...
2016-07-06
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1445
QR codes are everywhere now. Here's how to use them.
Article Introduction：QR code: convenient scanning, safe use guide
During the epidemic, in order to minimize contact with public goods and surfaces, the use of rapid response codes (QR codes) has surged.
Just quickly scan these black and white square patterns with your phone to easily access various information, such as checking in or viewing restaurant menus.
How QR code works
While you may have heard of QR codes recently, this technology has actually been around since the 1990s. It is a technology that encodes information into forms recognizable by other software and hardware. Just like a store uses barcodes to identify product prices, you can scan the QR code to open a website, register in a doctor's office, log in to a service, get a Wi-Fi password, or install an app.
[Related: Easily share Wi-Fi password
2025-02-25
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1059
WeChat verification not working, what to do?
Article Introduction：If WeChat verification fails, you can check the network and application versions in turn, confirm that the mobile phone number or email address is correct, try other verification methods, wait or contact customer service. First, make sure to use the latest version of WeChat and the network is stable, check the country code and information, try to switch Wi-Fi or mobile data, close and restart the application; second, confirm that the bound mobile phone number or email address can still receive verification codes; second, choose manual verification methods such as email verification, associated account or uploading ID card; finally, if the problem continues, wait for several hours to one day and try again, or prepare registration information and error prompts to contact WeChat customer service to solve it.
2025-07-05
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172
How to Transition from Freelancer to SaaS Founder
Article Introduction：Transforming from a freelance web developer to a SaaS product owner requires identifying common problems faced by customers and creating services that can solve these pain points. Utilizing and reusing existing code can be a cost-effective way to create new products.
The technical aspects of SaaS management can be challenging, and it is recommended to use a virtual private server (VPS) or a dedicated system rather than a shared hosting. Choosing a hosting server allows you to focus on product development.
In a subscription-based business, providing excellent customer service is crucial. Taking customer service as seriously as you do with product code and empowering employees to solve customer problems can help build customer loyalty and stand out in a competitive market.
As a web developer, you may have found customers
2025-02-20
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570
Binance Trading App Official Website Download Portal Binance Trading App Official Website
Article Introduction：To safely access the Binance official platform and download the APP, you can use the following steps: 1) Use a trusted search engine to search for "Binance" and check the domain name; 2) View the official social media to obtain the URL; 3) Consult the official customer service to confirm the URL; 4) Use a trusted navigation website. The steps to download the APP include: 1) Visit Binance official website; 2) Find the APP download portal; 3) Select the download method (scan the QR code, download the app store, and directly download the APK file).
2025-04-24
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849
deepseek function summary
Article Introduction：DeepSeek: Your AI smart assistant, full view of the functions! DeepSeek is a highly acclaimed AI interaction tool that can easily deal with various problems. Want to know what powerful features it has? The following is a comprehensive introduction to DeepSeek features. DeepSeek core functions: text creation and polishing: Easily create various types of copywriting and perform professional translation and polishing. Code development assistance: provides functions such as code generation, code completion, code understanding and error checking, which greatly improves development efficiency. Intelligent services and applications: Built-in intelligent customer service and smart cockpit functions to meet the needs of different scenarios. Business analysis and forecasting: assist in business decision-making, conduct risk assessment and forecasting,
2025-02-19
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399
What functions does DeepSeek app have? Summary of functions of DeepSeek app
Article Introduction：DeepSeek: A powerful smart assistant that helps you complete various tasks efficiently! Are you curious about the features of DeepSeek? What are the power of this popular smart software? Don't worry, this article will explain the core features of DeepSeek in detail and take you into the deep understanding of this high-performance tool. DeepSeek's main functions: Text creation and polishing: Easily create various types of text and perform accurate translation and polishing to ensure that your text is clear and smooth. Code development assistance: provides functions such as code generation, automatic completion, code understanding and error checking, which greatly improves your programming efficiency. Intelligent interactive experience: built-in intelligent customer service and smart cockpit functions to provide you with convenience
2025-03-12
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706
What are the scam routines of cryptocurrency exchanges?
Article Introduction：10 top scams on cryptocurrency exchanges
Common scams: fake exchanges, Ponzi capital trading, contract manipulation, fake coin phishing, customer service fraud, etc.
Identification points: Check regulatory licenses, check contract addresses, and be wary of high-yield commitments
Must be protected:
Use only mainstream exchanges (Binance/Coinbase)
Enable hardware wallet
Reject share private key/verification code
Deal with fraud: take screenshots immediately, freeze assets, report on the platform, and report to the police
Core principle: Any request for password/transfer is a fraud!
2025-04-20
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748
What are the different ways of promoting H5 and mini programs?
Article Introduction：There are differences in the promotion methods of H5 and mini programs: platform dependence: H5 depends on the browser, and mini programs rely on specific platforms (such as WeChat). User experience: The H5 experience is poor, and the mini program provides a smooth experience similar to native applications. Communication method: H5 is spread through links, and mini programs are shared or searched through the platform. H5 promotion methods: social sharing, email marketing, QR code, SEO, paid advertising. Mini program promotion methods: platform promotion, social sharing, offline promotion, ASO, cooperation with other platforms.
2025-04-06
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593
Ouyi Trading App Official Website Download Portal Ouyi Trading App Official Website
Article Introduction：Through the following steps, you can safely access the Ouyi official platform and download the APP: 1. Use a trusted search engine to search for "Ouyi" or "OKX" to check the domain name; 2. Check the official social media account to obtain the URL; 3. Consult the official customer service to confirm the URL; 4. Use a trusted navigation website. When downloading the APP, visit the official website, find the download portal, choose how to scan the QR code, app store, or directly download the APK file, and pay attention to checking developer information, viewing user reviews, installing security software, beware of phishing websites and APPs from unknown sources, and protecting personal information.
2025-04-24
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944
How to top up Alipay balance?
Article Introduction：The most common way to top up Alipay is to bind a bank card and transfer money directly. 1. Recharge through bank card in Alipay App: Open the app and enter "My Wallet" or search for "Recharge", select "Bank Card", enter the amount after binding to confirm payment, you need to ensure that the balance in the card is sufficient, pay attention to the bank limit, this method is fast and available throughout the day; 2. Transfer money by other Alipay users: others can transfer money by scanning your QR code or mobile phone number, and the sender must have a sufficient balance or bind a bank card, which is suitable for quick operation between relatives and friends; 3. Recharge in cooperative stores or online platforms: Some convenience stores or service centers can provide manual services, and pay in cash or swipe cards after presenting the QR code. Although it is not the fastest, it is suitable for users who are not familiar with App operations.
2025-07-07
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349
Why can't I register for WeChat?
Article Introduction：Common reasons for not being able to register for WeChat include mobile phone number problems, regional restrictions or version errors, account has been bound or blocked, and multiple failed attempts or system errors. 1. The mobile phone number must be valid and can receive verification codes. Some virtual numbers are not available. You can try using the local SIM card and confirm the country code. 2. Download the correct version according to the region where you are located, and overseas users should use the international version. 3. If your mobile phone number has been used by others or your device is associated with another account, you can try logging in or contacting customer service to solve the problem. 4. Multiple registration failures may trigger the security mechanism. It is recommended to wait for a while and try again, or check the network and time settings.
2025-07-06
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178
Ouyi FAQ: Registration, recharge, and transaction questions are all in one go
Article Introduction：Ouyi Application is a convenient tool connecting the global crypto asset market, providing asset management, trading operations, real-time market data and customer service. To ensure safety, users should download through official channels. The following are the specific steps: 1. Visit Ouyi's official website and confirm that the domain name is correct; 2. Find the "App Download" entrance on the homepage or footer; 3. Click the download link or scan the QR code to start the download; 4. Wait for the download to complete and find the file in the device; 5. Enter the settings to allow the installation of applications from unknown sources; 6. Click the installation button to complete the installation process; 7. After installation, click "Finish" or "Open" to launch the application; 8. Find the icon in the application list and open it; 9. Select to register a new account or use an existing account to log in. Important tip: Be sure to verify application developer information
2025-07-01
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911
