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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17635

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11348

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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USDT TRC20 transaction failed due to insufficient energy

I try to broadcast some USDT transactions every day, and after a few days, I receive OUT_OF_ENERGY messages for some transactions. I make some trades every day, sometimes I make about 30 trades. First, I tried staking about 20kTRX to gain energy and bandwidth, but it was not enough. When I triggered the transaction using a PHP script based on Trongrid documentation, it showed the fee limit as 10, so I increased the fee limit to 15TRX (15MSUN) but still no TRX was used to submit the transaction. But if I withdraw manually from TronLink wallet

2023-12-24 20:46:43

Method to find transaction expiry date in related table

I have a taxonomy table with different transaction categories. Each category contains a number of transactions along with their expiry dates. I want to access only those transactions and their categories whose expiry date has not yet expired, but I'm running into an issue where if transactions of a certain category exist within the time range, then all transactions will arrive regardless of whether they have expired or not. This is my code: $deals=DealCategory::where('name','!=','Today's Deal')->whereRelation('deals','sta

2023-09-13 16:19:38

php - Ask me about mysql transactions, locks and transactions?

For example, if the account balance is 100 yuan, and if the balance is greater than the transaction amount during the transaction, the transaction will be successful. Now assuming that this user has multiple transactions at the same time, problems will occur during detection. Question: I would like to ask if using the SERIERLIZED isolation level of the transaction can solve this problem at this time...

2017-06-24 09:41:23

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Yiyou usdt exchange

Course Introduction：Yiyou USDT Exchange is a well-known platform focusing on digital currency trading. As a leading global cryptocurrency trading platform, Yiyou USDT Exchange is known for its safe, convenient and stable digital currency trading services. Users can conduct transactions in multiple digital currencies on this platform and enjoy efficient transaction execution speed and reliable fund security. Yiyou USDT Exchange is committed to providing a high-quality digital asset trading environment for global users and providing them with good investment and trading activities. Yiyou USDT Exchange is highly praised for its excellent security. The exchange has taken multiple protective measures to ensure the security of user accounts. One of them is to use cold wallets to store most users’ digital assets, which can isolate users’ assets.

2024-01-30 comment 0 2582

foreign usdt exchange

Course Introduction：Overseas USDT exchanges are digital currency trading platforms registered and operated overseas, mainly based on USDT. The main features include: support for USDT transactions, global services, high liquidity, support for multiple currencies and legal currency deposit and withdrawal channels. When choosing an overseas USDT exchange, you should consider security, transaction fees, currency support, fiat currency deposits and withdrawals, and customer service support. Well-known exchanges include Binance, Huobi, Oyi, and Coinbase.

2024-04-19 comment 0 472

Tutorial on buying USDT on Eureka Exchange

Course Introduction：How to buy USDT on Eureka Exchange? Register an OUYI account; recharge legal currency; purchase USDT on the "Spot Trading" page; confirm the transaction.

2024-07-23 comment 0 1114

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