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Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/plugins/system/t4/src/t4/MVC/Router/T4.php on line 388
AI编程的准确率现状及其“试错”本质 - bluetooth蓝牙技术
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Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

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一、AI写代码的“正确率”再剖析:从数据到现实 1. 准确率的多维度定义 “正确”本身是一个多维度概念,需分层看待: 语法正确性:代码能否通过编译或解释器检查。 现状:非常高(>95%)。现代大型语言模型在语法模仿上已近乎完美。 局限:这只是最基础的层面。 功能正确性:代码是否满足用户描述的核心需求。 现状:中等(40%-70%),但波动极大。 LeetCode简单/中等题目:首次生成即完全正确的比例可达60%以上。 复杂业务逻辑或陌生领域:首次成功率可能骤降至20%以下。 关键因素:取决于需求的清晰度、常见度及训练数据的覆盖度。 工程完备性:代码是否考虑周全。 包含内容:异常处理、边界条件、性能优化、安全性、可读性、可维护性。 现状:非常低。AI通常会生成“主干道”代码,而忽略“护栏”和“路标”。例如,它可能写出一个快速排序算法,但忘记处理输入为空或包含重复元素的情况。 系统级正确性:生成的代码模块能否与现有系统无缝集成。 现状:极低。AI对项目的全局上下文、架构约束、团队规范及隐式知识缺乏理解。   2. 行业数据与实测反馈 研究层面: DeepMind AlphaCode:在Codeforces竞赛中,需生成成千上万 个候选方案,再通过过滤和测试,才能产出排名前54%的解法。这本身说明单次生成的成功率很低。 微软研究:在HumanEval基准测试(164个编程问题)上,GPT-4的首次通过率(pass@1)约为67%。这意味着仍有三分之一的问题无法一次写对。 生产层面(来自开发者社区调研): GitHub Copilot:约35%的新代码由AI建议生成,但开发者接受建议后仍需主动修改。其“最终被采纳且无需编辑”的比例(即“完美建议率”)可能低于20%。 核心价值:AI的主要贡献在于加速编码速度(研究报告显示提升55%完成速度),而非直接交付完美成品。 二、深度解析:为何AI必须“一步步试错修正” 这并非技术不成熟,而是源于当前AI范式的根本性限制。 1....

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Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/src/Menu/AbstractMenu.php on line 164

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 217

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 219

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 227

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 231

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 234

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 237

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 239

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100
mysqli object is already closed (500 Whoops, looks like something went wrong.)

Error

HTTP 500 Whoops, looks like something went wrong.

mysqli object is already closed

Exception

Error

  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  8. parent::disconnect();
  9. }
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  8. parent::disconnect();
  9. }
  1. *
  2. * @since 2.0.0
  3. */
  4. public function __destruct()
  5. {
  6. $this->disconnect();
  7. }
  8. /**
  9. * Alter database's character set.
  10. *
DatabaseDriver->__destruct()

Stack Trace

Error
Error:
mysqli object is already closed

  at /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318
  at mysqli->close()
     (/var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318)
  at Joomla\Database\Mysqli\MysqliDriver->disconnect()
     (/var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php:496)
  at Joomla\Database\DatabaseDriver->__destruct()                

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100