After following, you can keep track of his dynamic information in a timely manner
gitbisect is a powerful debugging tool that can quickly locate bug-input submissions. 1. Start bisect session: run gitbisectstart; 2. Mark the current bad commit: gitbisectbad; 3. Mark a known good commit: gitbisectgood; 4. Git checks out the intermediate commit, and execute gitbisectgood or gitbisectbad according to the results after testing; 5. Repeat the steps until Git finds the first bad commit; 6. Use gitbisectrun./test-bug.sh to automate the process; 7. After the positioning is completed, use gitshow to view the problem submission; 8. Finally run git
Aug 01, 2025 am 01:53 AM
PiniaistherecommendedstatemanagementsolutionforVue3duetoitssimplersyntax,TypeScriptsupport,modularity,lightweightnature,andDevToolsintegration;1.InstallPiniavianpmandregisteritwithcreatePinia()inmain.js;2.CreatestoresusingdefineStore()withstate,gette
Aug 01, 2025 am 01:40 AM
To customize the search engine result page, it can be achieved through browser plug-ins, Google's own tools and search techniques. 1. Use plug-ins such as Stylus to adjust page styles or hide ads; 2. Create an exclusive engine that limits the search scope through GoogleCSE; 3. Use advanced search syntax such as -site:, filetype: and other precise filtering of content; 4. Save search links with specific parameters for reuse.
Aug 01, 2025 am 01:26 AM
Composer is the most commonly used dependency management tool in PHP projects. It can automatically download, update third-party libraries and handle dependencies. 1. It is recommended to use the official composer.phar file during installation, and create the core configuration file composer.json through composerinit; 2. Use composerrequire to add dependencies (such as guzzlehttp/guzzle) and specify version constraints (such as monolog/monolog:^2.0). Run composerupdate to upgrade dependencies. It is recommended to add --no-dev parameters in the production environment; 3. Introduce vendor/autoload.php to implement
Aug 01, 2025 am 01:24 AM
To determine whether SQL database data corruption can be found through query errors, startup failures, slow execution, DBCCCHECKDB errors, log checksum or I/O errors, etc.; confirmation methods include running DBCCCHECKDB, enabling page verification, and regular integrity checks; repair methods include restoring from backup, using REPAIR_ALLOW_DATA_LOSS, rebuilding indexes or pages, and using third-party tools. The database should be copied before repair; preventive measures include regular backups, opening page verification, using reliable hardware, avoiding forced shutdowns, regularly checking and monitoring logs.
Aug 01, 2025 am 01:18 AM
The method of rolling back the system update varies from operating system to different operating system, so you need to operate with caution and backup in advance. For Windows, it can be achieved by "Settings → Update and Security → Windows Update → View Update History → Uninstall Update", but some cumulative updates cannot be uninstalled directly; macOS needs to rely on TimeMachine backup and restore or reinstall old versions, and it is difficult to downgrade; iOS can only be downgraded within a specific signature period, while Android depends on the brand and Bootloader unlock status, and data must be backed up before flashing; Linux users can use snapshots or log rollbacks, but they need to master command line operations. Overall, you should understand the system mechanism in detail and do a good job of data protection before rolling back.
Aug 01, 2025 am 01:08 AM
Restarting the system is the basic method to solve various problems. Applicable scenarios include taking effect after installation and update, service abnormality and system stuttering. Pay attention to using the reboot command: 1. Avoid affecting others' use; 2. Ensure critical tasks are completed; 3. Save unsave work. Common usage is sudoreboot or systemctlreboot. Alternative commands include shutdown-rnow and reboot-f, but standard usage is recommended in daily life.
Aug 01, 2025 am 01:06 AM
Bootstrap's grid system helps build a responsive website through the following steps: 1. Use 12-column layouts and classes such as col-md-4 to define column widths for different screen sizes. 2. Use col-sm-, col-md-, col-lg-, col-xl-classes to adapt to different screen sizes. 3. Create complex layouts by nesting rows and columns. 4. Create a centered or asymmetric design using offset classes such as offset-md-4. 5. Adopt a mobile-first approach to ensure that the website is available on all devices.
Aug 01, 2025 am 01:05 AM
Navicat does not directly support connection pooling, but can achieve similar effects through optimized settings and external configurations. 2. Connection pooling is usually managed by application frameworks or drivers, such as Java's HikariCP, .NET's SqlConnection, and Python's SQLAlchemy. 3. It can adjust the connection timeout of Navicat, enable keep-alive, and reduce unnecessary encryption overhead to improve connection efficiency. 4. Keeping the connection normally open or properly configuring the external connection pool parameters can significantly improve performance.
Aug 01, 2025 am 12:59 AM
There are two main ways to add custom options to WordPress themes: 1. Use functions.php custom code to implement it, add panels, set groups and control items through ThemeCustomization API, and save them to the database to call them on the front end; 2. Use plug-ins such as Kirki, ReduxFramework, etc. to quickly realize richer functions. Notes include setting default values, filtering verification input, following topic review specifications, keeping options concise, and sub-theme modifications should act on their own files.
Aug 01, 2025 am 12:57 AM
To build a custom RL agent, you must first clarify the environment and framework, then use PyTorch to implement the network and handle experience updates. 1. Clarify the task type and state space, design the Agent class and training loop containing reset() and reset() environment interface, policy and value functions; 2. Use PyTorch to build a policy network, such as the PolicyNetwork class, and call the optimizer and loss function in the Agent; 3. Implement experience collection and update logic, including discount return calculation, log probability and return multiplication as loss, and pay attention to γ selection, normalization and gradient cropping; 4. Print indicators during debugging, set random seeds, gradually increase complexity, and use visual tools to troubleshoot problems to ensure network connections
Aug 01, 2025 am 12:53 AM
HINCRBY is suitable for performing atomic integer increment and decrement operations on Redis hash table fields. When it is necessary to deal with concurrent and secure counting scenarios such as user points and inventory management, this command can be used to achieve efficient updates without locking. Its key points include: 1. Automatically initialize non-existent fields and start calculation from 0; 2. Support negative increments to reduce field values; 3. Only applicable to integer types, non-integers will report errors; 4. Common application scenarios include access statistics, like updates, etc.; 5. Returning the latest value after successful execution is convenient for subsequent judgment.
Aug 01, 2025 am 12:51 AM
ToremovelinebreaksinNotepad,useFindandReplacewiththecorrectcodes.1.Use\r\ntofindandreplaceWindows-stylelinebreaks—leaveReplacewithfieldemptyoraddaspace.2.Ifthatdoesn’twork,tryreplacingonly\nfornon-Windowslinebreaks.3.Removeextraspacesbyreplacingdoubl
Aug 01, 2025 am 12:49 AM
The advantages of Redis are its super fast performance, support for multiple data structures and built-in caching capabilities. First, since Redis stores data in memory, the read and write speed is extremely fast, suitable for scenarios that require low latency such as cache, session storage or real-time analysis; secondly, Redis not only supports strings, but also supports a variety of data types such as hash, lists, collections, and ordered collections, which facilitates developers to model data naturally; finally, Redis has built-in caching capabilities for automatic expiration of key values and multiple eviction strategies, which facilitates management of data cleaning and memory control for large-scale applications.
Aug 01, 2025 am 12:46 AM
TooptimizeMySQLforreportingandanalytics,startbychoosingtherightstorageengine,usingInnoDBformostcasesandMyISAMforread-heavy,staticdata.1)UseInnoDBfortransactionsandconcurrency,orMyISAMforread-onlyscenarios.2)Applycompositeindexesonfrequentlyfilteredan
Aug 01, 2025 am 12:46 AM
To solve the "death pyramid" problem caused by nested if statements in PHP, the following five reconstruction methods should be adopted: 1. Use early return (guardclauses) to flatten the condition check to avoid deep nesting; 2. Extract complex conditions into a private method with clear names to improve readability and reusability; 3. Use verification objects or middleware mode for complex processes to achieve composable and extensible verification logic; 4. Use ternary or empty merge operators only in simple scenarios to avoid nested ternary expressions; 5. Use exceptions to replace error string return, handle errors in a centralized manner, and keep the core logic pure. The ultimate goal is to make the code safer, easier to test, and easier to maintain through rapid failure, logical separation and appropriate design patterns.
Aug 01, 2025 am 12:33 AM
First, check the inline image in the description field of the RSS item, extract the img tag as the main image source by parsing HTML or CDATA content; 2. Secondly, find the media:thumbnail element in the MediaRSS extension, and give priority to using the thumbnail provided for preview display; 3. If the first two do not exist, check whether the MIME type of the enclosure tag is an image (such as image/jpeg) and use it as an alternative cover image; 4. For audio or video media, render the corresponding audio or video player according to the MIME type of enclosure (such as audio/mpeg or video/mp4); 5. When actually implementing it,
Aug 01, 2025 am 12:33 AM
SimpleXMLisidealforbasicXMLtasksinPHP,offeringanintuitiveinterfaceforloading,reading,modifying,andoutputtingXML.2.LoadXMLfromastringusingsimplexml_load_string()orfromafilewithsimplexml_load_file(),bothreturningaSimpleXMLobjectorfalseonfailure,requiri
Aug 01, 2025 am 12:31 AM
To solve the problem of garbled character sets or Chinese storage in Navicat, the character sets of the database, connection and tables need to be unified to utf8mb4. First check the character set of the database and table. If it is utf8 or latin1, use the ALTERDATABASE and ALTERTABLE statements to change to utf8mb4; secondly, when Navicat connects, add SETNAMES 'utf8mb4' on the "Advanced" tab or select the utf8mb4 character set; then check whether the Navicat interface shows whether the encoding is UTF-8; then confirm that the import and export file itself is UTF-8 encoding; in addition, pay attention to whether the field length is sufficient to support four-byte characters, and ensure that the program connection is also set.
Aug 01, 2025 am 12:26 AM
CentOS or RHEL systems recommend using yum and dnf management software packages. 1. It is recommended to update the cache first during installation, the commands are sudoyumininstall and sudodnfinstall respectively; 2. You can update yumupdate or dnfupgrade, and you can view the list to be updated; 3. Use yumremove or dnfremove to delete, and dnf can automatically clean up useless dependencies; 4. Query to view the installation status through rpm-qa and rpm-q, and yuminfo/dnfinfo get detailed information. Mastering these operations can help to efficiently maintain the system.
Aug 01, 2025 am 12:22 AM
XMLprovidedastandardized,platform-neutraldataformatthatenabledinteroperabilitybetweenservicesbuiltondifferenttechnologies,allowingseamlesscommunicationthroughself-describing,structuredmessages.2.ItservedasthefoundationforcoreSOAprotocols:SOAPusedXMLf
Aug 01, 2025 am 12:21 AM
TheRedisPERSISTcommandremovesanexistingTTLfromakey,makingitpersistindefinitely,butonlyifthekeyexistsandhasanexpiration.1.Ithasnoeffectifthekeydoesn'texistorlacksaTTL.2.Useitwhentransitioningtemporarykeystopermanentstorage,suchasextendingsessionvalidi
Aug 01, 2025 am 12:19 AM
ModuleFederationinWebpack5enablesruntimecodesharingacrossindependentapplications,allowingteamstobuildmicro-frontendsthatdeployseparatelyandintegrateseamlesslywithoutnpmormonorepos.1.Itworksviahostandremoteroles:thehostconsumesmodulesfromremotes,which
Aug 01, 2025 am 12:12 AM
SQL unit testing is critical because it can verify that database objects behave as expected and quickly detect regression problems after code changes, improve code quality and support version control and continuous integration. Common frameworks include tSQLt (SQLServer), pgTAP (PostgreSQL), utPLSQL (Oracle), and Python's ORM testing tools. Key methodologies include: 1. Test cases should be run independently; 2. Use simulated data to isolate the environment; 3. Assertions should be clear and comprehensive; 4. Focus on critical paths rather than coverage only. Practical recommendations include early integration into CI/CD, clearly naming test cases, regular maintenance of tests, and avoiding coupled business logic.
Aug 01, 2025 am 12:08 AM
Tocompileakernelmodule,firstinstallbuildtoolsandheadersspecifictoyourdistribution.OnDebian-basedsystems,runsudoaptupdateandsudoaptinstallbuild-essentiallinux-headers-$(uname-r);onRedHat-basedsystems,usesudodnfgroupinstall"DevelopmentTools"a
Aug 01, 2025 am 12:05 AM
MySQL connections are not common due to network problems. First, you need to confirm whether the MySQL service listens to port 3306. You can use the netstat or ss command to check. If it is not listened, you need to modify bind-address to allow remote connections; second, check the firewall settings, including the system firewall and cloud platform security groups, and release port 3306 if necessary; then verify user permissions to ensure that the user allows connection from the corresponding IP and has the correct password; finally troubleshoot DNS resolution or routing issues, try to connect with IP and use telnet or nc to test port accessibility. In this order, check the problem to be effectively located.
Aug 01, 2025 am 12:03 AM
Bitcoin is a safer choice for novices. 1. Bitcoin is the originator of cryptocurrencies, with the highest market consensus and security, and is regarded as "digital gold"; 2. There are many types of altcoins, different goals, strong technological innovation but extremely high risks; 3. Bitcoin price is relatively stable and liquid, which is suitable for establishing core positions; 4. Altcoins fluctuate violently, and are suitable for trying with small funds with caution; 5. Newbies should first get started with Bitcoin, and then gradually explore altcoins, always taking continuous learning and risk management as the primary principles of investment.
Jul 31, 2025 pm 07:39 PM
The best Bitcoin price query apps in 2025 include: 1. Binance, providing authoritative real-time market conditions, professional K-line charts and market in-depth analysis; 2. Ouyi, with a simple and smooth interface, supporting multi-chart viewing and unified account management; 3. Huobi, with stable and reliable data, suitable for fast acquisition of accurate quotations, especially referring to the Asian market; 4. Gate.io, covering thousands of currencies, supports customized price warnings, and is convenient for capturing market abnormalities; 5. TradingView, a professional chart analysis platform, integrating global exchange data and top drawing tools; 6. CoinMarketCap, providing global weighted average price, market value ranking and historical data, suitable for macro market observation; 7. CoinGecko, excluding real
Jul 31, 2025 pm 07:33 PM
Binance is the most trusted Bitcoin market app in 2025. It is suitable for beginners and professional users due to its highest trading volume and accurate data with extremely low latency; 2. OKX is known for its fast refresh and powerful functions, providing a one-stop investment and research trading experience; 3. Huobi (HTX) has long-term operational experience and Asian user-friendly interface, becoming a stable and reliable market source; 4. Gate.io has massive currency support, which is an ideal choice for tracking Bitcoin and emerging altcoins; 5. KuCoin is famous for its "altcoin paradise", with a younger interface, which is easy to browse small-cap currencies; 6. Bybit has a great influence in the derivatives field, and its perpetual contract price has a unique influence on judging market sentiment.
Jul 31, 2025 pm 07:24 PM
Binance App provides authoritative and accurate real-time USDT and USDC prices and transaction pair data, supporting fast query and in-depth analysis; 2. Ouyi App features smooth experience and C2C quotation, which is convenient for viewing the real-time exchange prices of stablecoins and fiat currencies; 3. Huobi HTX App displays 24-hour market changes and order books, equipped with technical analysis tools to help in-depth research; 4. Gate.io App supports multiple stablecoins market comparisons, which facilitates users to customize their attention lists for horizontal analysis; 5. CoinMarketCap App aggregates global exchange data to provide a reference for fair market average price of stablecoins; 6. CoinGecko App is more in-depth in the macro data dimension and can track stablecoins boards
Jul 31, 2025 pm 07:21 PM
