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 534
Technical training and courses - Page 2 - Bluetooth forum - bluetooth蓝牙技术

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

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbjdownloads/cbjdownloads.php on line 49

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbblogs/cbblogs.php on line 48

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbarticles/cbarticles.php on line 47

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

技术讨论 80 topics

海阔天空任意谈,开拓思路闯新天

Technical discuss


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

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
Subject Replies / Views Last Post
Category: 技术讨论
Topic started 05 Jan 2026 13:41, by btt
Last Post 05 Jan 2026 13:41
by btt
Replies:0
Views:415
Last Post by btt
05 Jan 2026 13:41
Category: 技术讨论
Topic started 05 Jan 2026 13:03, by btt
Last Post 05 Jan 2026 13:03
by btt
Replies:0
Views:418
Last Post by btt
05 Jan 2026 13:03
Category: 技术讨论
Topic started 05 Jan 2026 12:57, by btt
Last Post 05 Jan 2026 12:57
by btt
Replies:0
Views:378
Last Post by btt
05 Jan 2026 12:57
Category: 技术讨论
Topic started 05 Jan 2026 12:53, by btt
Last Post 05 Jan 2026 12:53
by btt
Replies:0
Views:377
Last Post by btt
05 Jan 2026 12:53
Category: 技术讨论
Topic started 05 Jan 2026 12:45, by btt
Last Post 05 Jan 2026 12:45
by btt
Replies:0
Views:348
Last Post by btt
05 Jan 2026 12:45
Category: 技术讨论
Topic started 05 Jan 2026 12:39, by btt
Last Post 05 Jan 2026 12:40
by btt
Replies:1
Views:365
Last Post by btt
05 Jan 2026 12:40
Category: 技术讨论
Topic started 05 Jan 2026 12:22, by btt
Last Post 05 Jan 2026 12:22
by btt
Replies:0
Views:336
Last Post by btt
05 Jan 2026 12:22
Category: 技术讨论
Topic started 01 Jan 2026 04:20, by
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
service
Last Post 01 Jan 2026 04:20

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 189

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
by service
Replies:0
Views:416
Last Post by service
01 Jan 2026 04:20
Category: 技术讨论
Topic started 01 Jan 2026 03:17, by service
Last Post 01 Jan 2026 03:17
by service
Replies:0
Views:427
Last Post by service
01 Jan 2026 03:17
Category: 技术讨论
Topic started 01 Jan 2026 03:15, by service
Last Post 01 Jan 2026 03:15
by service
Replies:0
Views:433
Last Post by service
01 Jan 2026 03:15
Category: 技术讨论
Topic started 27 Dec 2025 10:03, by service
Last Post 27 Dec 2025 10:03
by service
Replies:0
Views:506
Last Post by service
27 Dec 2025 10:03
Category: 技术讨论
Topic started 27 Dec 2025 09:50, by service
Last Post 27 Dec 2025 09:50
by service
Replies:0
Views:411
Last Post by service
27 Dec 2025 09:50
Category: 技术讨论
Topic started 27 Dec 2025 09:26, by service
Last Post 27 Dec 2025 09:26
by service
Replies:0
Views:414
Last Post by service
27 Dec 2025 09:26
Category: 技术讨论
Topic started 27 Dec 2025 09:23, by service
Last Post 27 Dec 2025 09:23
by service
Replies:0
Views:411
Last Post by service
27 Dec 2025 09:23
Category: 技术讨论
Topic started 27 Dec 2025 03:01, by service
Last Post 27 Dec 2025 03:01
by service
Replies:0
Views:364
Last Post by service
27 Dec 2025 03:01
Category: 技术讨论
Topic started 27 Dec 2025 00:15, by service
Last Post 27 Dec 2025 00:15
by service
Replies:0
Views:389
Last Post by service
27 Dec 2025 00:15
Category: 技术讨论
Topic started 26 Dec 2025 09:53, by service
Last Post 26 Dec 2025 09:53
by service
Replies:0
Views:402
Last Post by service
26 Dec 2025 09:53
Category: 技术讨论
Topic started 25 Dec 2025 03:01, by btt
Last Post 25 Dec 2025 03:01
by btt
Replies:0
Views:447
Last Post by btt
25 Dec 2025 03:01
Category: 技术讨论
Topic started 10 May 2025 18:38, by btt
Last Post 10 May 2025 18:38
by btt
Replies:0
Views:2378
Last Post by btt
10 May 2025 18:38
Category: 技术讨论
Topic started 05 Mar 2025 07:18, by btt
Last Post 05 Mar 2025 07:18
by btt
Replies:0
Views:2760
Last Post by btt
05 Mar 2025 07:18
Powered by Kunena Forum
FaLang translation system by Faboba

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