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This article aims to address how to exclude products that have been booked for a given time period when querying products using Doctrine QueryBuilder. By analyzing the three situations of overlapping time periods, a solution for building SQL queries using QueryBuilder is provided, which accurately identifies and excludes subscription records that overlap with a given time period, thereby filtering out products available within a specified time period.
Aug 06, 2025 pm 08:09 PM
The catalog provides an in-depth discussion on the volume index net volume index (OBV) Caijin Fund Flow Index (CMF) Accumulation/D line (A/D line) What is the A/D line? How it helps: Volume Weighted Average Price (VWAP) Integrate volume indicators into cryptocurrency trading strategies Step 1: Confirm trends with volume indicators Step 2: Discover divergences Step 3: Identify breakthroughs and false breakthroughs Step 4: Use VWAP for intraday strategies Step 5: Combining multiple volume indicators for comprehensive analysis of the advantages of using volume indicators and misunderstandings The advantages of using volume indicators The misunderstandings that need to be avoided The final thinking about the previous volume analysis
Aug 06, 2025 pm 08:09 PM
Key points of the catalog: What is blockchain scalability? Why is scalability important in blockchain in recent developments? Blockchain scalability issues Network transaction speed and capacity High transaction fee confirmation time Blockchain scalability solutions Layer 1 solution consensus mechanism Improved Shard Isolation Witness (SegWit) Layer 2 solution Sidechain summary Emerging scalability methods Interoperability protocol Modular blockchain summary Blockchain technology provides an alternative to traditional centralized ledger systems that enable secure and transparent transactions without relying on a single control agency. Its security is based on powerful encryption methods and decentralized network structure.
Aug 06, 2025 pm 08:06 PM
This document describes how to correctly return a JSON object when creating a REST API using PySide6's QHttpServer. Since the current version of PySide6 has limited support for directly returning QHttpServerResponse, this article explains its limitations and provides alternatives to help developers implement JSON responses in Python.
Aug 06, 2025 pm 08:06 PM
Table of Contents What is a symmetric triangle pattern? What is a bullish symmetric triangle chart? What is a bearish symmetric triangle graph? How to identify symmetric triangle charts pattern bearish symmetric triangle continuation pattern paradigm bullish symmetric triangle continuation pattern paradigm identification symmetric triangle chart How to use symmetric triangle charts in your trading strategy? 1. Bearish trend trading strategy 2. Bull trend trading strategy Advantages and disadvantages of symmetric triangle patterns Advantages and disadvantages How to alleviate the limitations of symmetric triangle patterns How to avoid common mistakes when trading symmetric triangles Practical application and final thinking about symmetric triangles Common problems about symmetric triangles 1.
Aug 06, 2025 pm 08:03 PM
Table of Contents WOJAK Coin Price Introduction What is WojakMeme? From memes to cryptocurrency projects What is WOJAK Coin? Wojak’s community-centric management structure Anonthology collection and NFT ecosystem WOJAK’s future Wojak is an innovative project that brings one of the most iconic images on the internet into the crypto space. This character, full of melancholy temperament, first appeared in a picture forum in Poland in 2009, and has gradually evolved into a common symbol for netizens around the world to express their emotions over the past sixteen years. On April 17, 2023, WOJAK token was officially launched on the Ethereum network, marking its official entry into a new era of digital currency from a network meme. WOJAK coin price
Aug 06, 2025 pm 08:00 PM
Introduction The most common way to measure the market value of a cryptocurrency project is to calculate its market value. Although many investors are accustomed to comparing the market value between different projects, this data can actually help us grasp the macro trends of the entire industry. Although Bitcoin and Ethereum have long been at the forefront of the market cap rankings, the overall value of all crypto assets combined far exceeds the sum of the two. Mainstream data platforms will display the total market value of the encryption market in real time, which is very convenient to obtain. However, what exactly does this number represent? What market trends can it reveal? Next we will discuss in depth. What is cryptocurrency market capitalization? The market value of cryptocurrencies refers to the overall valuation of a blockchain network under the current market environment, which is usually calculated by "circulating supply × unit price".
Aug 06, 2025 pm 07:57 PM
This article describes the problem of how to correctly return a JSON object when creating a REST API using QHttpServer in Python's PySide6 library. Due to the current PySide6 version limitations, it is not supported to directly return the QHttpServerResponse object from the routing handler and include JSON data. This article will explain this limitation and provide alternatives.
Aug 06, 2025 pm 07:57 PM
What are MOM indicators in directory? Why are MOM indicators valid? How to use MOM indicators in trading Case study: Using MOM indicators to identify breakthrough opportunities How to cope with these limitations Conclusion Momentum is a core concept in technical analysis, especially for traders who want to capture strong trends and market opportunities. Momentum (MOM) indicator is one of the most commonly used tools to measure this concept. This article will deeply analyze the definition and calculation methods of MOM indicators, and provide traders with practical suggestions on how to effectively use the indicator in actual combat. What are MOM indicators? MOM indicators are a technical analysis tool used to evaluate the rate of price change in financial assets over a specific time period. It helps to judge the current trend by quantifying the speed of price changes
Aug 06, 2025 pm 07:54 PM
This article aims to address the exclusion of products that have been booked for a specified time period when querying products using Doctrine QueryBuilder. By analyzing the three situations of overlapping time periods and providing corresponding SQL and Doctrine QueryBuilder code examples, help developers accurately filter out available products. The focus is on understanding the logic of overlapping time periods and turning it into executable database queries.
Aug 06, 2025 pm 07:54 PM
What is the USD Cost Average Method (DCA) in cryptocurrencies? The US dollar cost average method (DCA) is an investment strategy that refers to investors who continuously invest the same amount of funds to purchase a certain asset at a fixed time interval regardless of their current price. The core of this strategy is to downplay the importance of timing, smooth the impact of market fluctuations through long-term batch buying, and gradually establish positions. Example: Suppose you are planning to invest in Bitcoin for $1,000. With a DCA strategy, you can choose to invest $100 per week for 10 weeks. In this way, no matter whether the price of Bitcoin is high or low in a certain week, you will buy the corresponding amount of coins and finally get an average cost price. Advantages of DCA: Reduce timing risk: Avoid being led by buying at one time at a high point
Aug 06, 2025 pm 07:51 PM
This article aims to address how to exclude products that have been booked for a given time period when querying products using Doctrine QueryBuilder. By analyzing three situations of overlapping time periods, a solution to build complex WHERE conditions using QueryBuilder is provided, with SQL examples and Doctrine code examples to help developers accurately filter out available products.
Aug 06, 2025 pm 07:51 PM
Table of Contents MOMOFUN Price Analysis What is MOMOFUN? AI-powered AI agent AI pool provides intelligent liquidity technology backbone: How the MemeFi model of ELIZA framework MOMOFUN works MOMOFUN's future MOMOFUN price analysis**Price**0.003709**Market value**29,533,834**Circulation supply**7,800,000,000 mm**Total supply**30,000,000,000 mm MM tokens (total supply 30 billion) assumes multiple key functions in the system ecosystem: Governance and voting (
Aug 06, 2025 pm 07:48 PM
This article describes how to correctly return a JSON object when creating a REST API using PySide6's QHttpServer. Since PySide6 currently does not support returning QHttpServerResponse objects directly from routing handlers, this article will explain this limitation and provide an alternative to help developers build effective HTTP services in Python.
Aug 06, 2025 pm 07:48 PM
Table of Contents What is a candle chart? Candle chart components 1. Hat (shadow) 2. Opening price 3. Closed price 4. Highest price 5. Lowest price candle chart anatomy bullish and bearish candle chart bullish candle chart bearish candle chart pattern cross star candle chart pattern swallow candle chart pattern hanging human-shaped candle chart pattern summary What is a candle chart? Candlestick charts are a form of price chart used in technical analysis of financial markets to display price changes over a given time period. Originally designed by Japanese rice merchants and traders, candlestick charts are used to track market prices and daily momentum, and later became popular and are now used to represent and interpret financial market trends. Candlestick chart shows the highest in a specific time period
Aug 06, 2025 pm 07:45 PM
This article aims to explore how to effectively limit access and filter traffic when building APIs in PHP to prevent unauthorized requests. While access to all clients cannot be completely blocked, implementing multiple strategies such as API keys, user credential verification, and request header checks can significantly improve the security of the API and reduce the risk of malicious exploitation. The article will explain in-depth the implementation principles and specific steps of these methods, and provide corresponding code examples and precautions.
Aug 06, 2025 pm 07:45 PM
Table of Contents Simple Summary What is CycleNetwork How many CYC coins does CYC coins have CYC coins airdrops to receive CY coins? What is the technical team behind CycleNetwork and Ethereum CycleNetwork and the origins of important news and events Is CYC a good investment? FAQ In the ever-expanding field of blockchain technology, CycleNetwork (CYC) emerged as a groundbreaking infrastructure protocol to address one of the biggest challenges facing decentralized finance (DeFi): liquidity fragmentation. By building a common full-chain settlement layer, Cycle
Aug 06, 2025 pm 07:42 PM
This article is for beginners and explains in detail how to sum specific key values in Python dictionary. Through the example code, the correct summing method is shown, and the common causes of TypeError: 'int' object is not iterable errors are analyzed, helping readers understand and avoid similar problems, and finally mastering the basic skills of dictionary data processing.
Aug 06, 2025 pm 07:42 PM
Why is the catalog called swallowing candles? What is swallowing candles? What is long swallowing candles What is short swallowing candles? Comparison between swallowing and pregnancy line candle graphics Why is swallowing candle important? The importance of swallowing candles in trading FAQ How to trade with swallowing candles? Do traders really use patterns to trade? Which trading strategy is the most profitable? Candlestick charts are a key tool in technical analysis, revealing potential clues to market psychology and future price trends for traders. Among the many chart patterns, the engulfing pattern is known for its strong reversal signals and is regarded as one of the most convincing reversal patterns. Whether you are involved in crypto assets, stock markets, or forex markets, mastering the candlestick chart can significantly improve your trading judgment. The shape and structure of the swallow candle is clear,
Aug 06, 2025 pm 07:39 PM
This article aims to help beginners solve the problem of calculating the sum of the corresponding values of a dictionary specific key in Python. With a practical example, we will explain in detail how to properly iterate through the dictionary, access the value of the specified key, and calculate the sum using the accumulator variable to avoid the common TypeError: 'int' object is not iterable error.
Aug 06, 2025 pm 07:39 PM
Catalog Key Summary The Origin of Ethereum Vision Ethereum The decade of Pantera’s Ethereum ecosystem investment institutions demand, digital asset treasury and the transformation of Ethereum supply landscape regulation clarification and the strategic transformation of the Ethereum Foundation’s final thinking Key Summary Entering the second decade, Ethereum is establishing its position as the base layer of stablecoins, DeFi and tokenized assets. Digital asset Treasury bills (DATs) are reducing token circulation and driving institutional demand for ETH, thus creating structural price support. Regulatory clarity and reform of the Ethereum Foundation, Ethereum will gradually become the core infrastructure of the on-chain capital market, thereby realizing
Aug 06, 2025 pm 07:36 PM
Directory What is Cardano? Key Features of Cardano How does Cardano work? Why Cardano deserves to consider price and market performance history 2025 ADA forecast 2025, 2026 and 2027 Price forecasts 2040 and 2030 ADA price forecast Factors affecting ADA costs Chart analysis and technical outlook Cardano Forecast Table: Key points summary As an important force in the cryptocurrency industry, Cardano (ADA) provides cutting-edge blockchain solutions with a focus on sustainability, scalability and security. Cardano is co-founder of Ethereum.
Aug 06, 2025 pm 07:33 PM
This article aims to guide beginners on how to correctly calculate the sum of the corresponding values of a specific key in a Python dictionary. With sample code and detailed explanation, we will explain how to avoid TypeError: 'int' object is not iterable error and provide a clear and easy-to-understand solution to help readers understand the correct usage of loops, dictionary access, and numerical accumulation.
Aug 06, 2025 pm 07:33 PM
Table of Contents: Does Bitcoin keeping key moving average support indicate a new round of rise? The inverted head and shoulders pattern appears, and the target price of Bitcoin may reach $148,000. The whale cashes out $9.6 billion. Is the Bitcoin bull market still expected to continue? Recently, Bitcoin (BTC) is testing a key technical support area that has triggered a strong rebound of more than 25% in the past. If this support is maintained again this time, it may mean that a similar upward pattern may reappear, opening up space for Bitcoin to hit a record high. Although the overall crypto market has declined in the past three weeks, with BTC falling by about 7.8%, many analysts believe that the current pullback may be the "last wash-up" before this bull market, and accumulate momentum for the subsequent breakthrough of the $150,000 mark. Bitcoin keeps the pass
Aug 06, 2025 pm 07:30 PM
This article is aimed at Python beginners and explains in detail how to correctly sum the values of specific keys in the dictionary. By analyzing common TypeError: 'int' object is not iterable errors, we provide clear code examples and explanations to help readers master the skills of dictionary traversal and numerical accumulation, and ultimately achieve the correct sum of the 'y' values in nested dictionaries.
Aug 06, 2025 pm 07:27 PM
How to judge whether you are a leek? Leeks are cut by transaction costs, not by dealers. It is a very happy word in the currency circle. It seems that almost all friends call themselves leeks. Putting aside the joke, we should really avoid being a leek, otherwise we will be cut. People are more important to know. How should we judge whether we are a leek? This may be a good question. I think there is an indicator to answer, which is my own transaction cost. The higher the transaction cost of trading tools, trading products and trading strategies you use, the more likely it is to be a leek. When we invest, nominal returns often come from a few percent of the market, and transaction costs, including transaction fees, slippage points
Aug 06, 2025 pm 07:27 PM
Table of Contents Market sentiment and technical indicators double support bullish trend Key price levels and breakthrough target Medium- and long-term forecast: Three major drivers of the year-end target $7,000–$8,000 Risk warning: Volatility and macro uncertainty Conclusion: August may be the "gold window" on the eve of the breakthrough, the bullish trend market optimism continues to heat up, the crypto fear and greed index climbed to 72, entering the "greed" area, indicating that investor confidence has increased significantly. The technical aspect shows a comprehensive bullish pattern: among the 28 core indicators, up to 90% have been converted into buy signals, covering MACD, 10-day index moving average and multi-cycle moving average systems. Relative Strength Index (RSI) is stable at 55 levels and has not yet hit the overbought threshold, suggesting an uptrend
Aug 06, 2025 pm 07:24 PM
What is slippage in a directory? What causes slippage? Positive and negative slippage points: How to calculate cryptocurrency slippages and how to avoid cryptocurrency trading slippages Conclusion One of the first and most surprising things that new traders find when trading cryptocurrencies is the slippage phenomenon. Slip point refers to the difference between the expected price of a transaction and the actual execution price. This situation is by no means a unique cryptocurrency, because traditional financial markets have also seen slippage. However, due to high volatility, liquidity in exchanges, liquidity pools and trading pairs is particularly common in cryptocurrency trading. Slips can affect both buyers and sellers, and usually lead to transaction results below the pre-examination
Aug 06, 2025 pm 07:21 PM
Catalog Market value milestone, a new watershed for crypto assets, multiple engines drive BNB to set a record high, ecological expansion creates value foundation, institutions grab funding to provide momentum, deflation mechanism strengthens scarcity attributes, strategic transformation and reconstruction of valuation logic technology picture, the path of $900 gradually clears, the consensus on the difference in institutional targets shows a consensus on short-term momentum (August-December 2025) medium-term outlook (2026-2029) long-term vision (2030 and beyond) risk warning, opportunity market consensus dancing on the blade, institutional capital flow points out the direction, future outlook On July 28, BNB hit a historical high of $855, becoming the Canadian
Aug 06, 2025 pm 07:18 PM
Highlights of catalog upgrades: Added BTC and ETH settlement days to support customized automatic re-investment strategies Binance App operation guide: Introduction to dual currency investment In order to continuously optimize user experience and enhance service competitiveness, Binance Financial officially launched two important upgrades to dual currency investment products. This update will bring investors greater strategic flexibility and smarter automatic reinvestment configuration options. Upgrade highlights: 1. Add BTC and ETH settlement dates. Choose the BTC and ETH settlement dates. You can freely choose any working day within the next 7 days as the settlement date to flexibly plan the investment rhythm. For example: If the user operates on Tuesday, he can choose the product that is the current Wednesday to Friday or next Monday as the settlement day. Support transaction pairs: BTC/USD*, ETH/USD*. The subscription deadline is before the selected settlement date
Aug 06, 2025 pm 07:15 PM
