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
技术新闻 - 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

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

技术新闻


Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 57

Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 156

Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 57
技术新闻

Bluetooth technology is transforming the retail industry by enabling personalized shopping experiences, frictionless payments, and smart inventory management. From Bluetooth beacons guiding customers to ultra-fast checkout systems, retailers are leveraging wireless connectivity to boost sales and efficiency.


Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 156

Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 57
技术新闻

As Bluetooth technology expands into healthcare, automotive, smart cities, and industrial systems, security risks are becoming a critical concern. Hackers are increasingly targeting Bluetooth-enabled devices due to their widespread adoption and sometimes weak security implementations. Below, we examine the key vulnerabilities, real-world attack examples, and best practices to mitigate risks.


Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 156

Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 57

Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 156

Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 57

Deprecated: strtotime(): Passing null to parameter #1 ($datetime) of type string is deprecated in /var/www/html/templates/ja_allure/html/com_content/category/blog_item.php on line 156

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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

in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php (line 318)
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  9. parent::disconnect();
  10. }
in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php -> close (line 318)
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  9. parent::disconnect();
  10. }
in /var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php -> disconnect (line 496)
  1. *
  2. * @since 2.0.0
  3. */
  4. public function __destruct()
  5. {
  6. $this->disconnect();
  7. }
  9. /**
  10. * Alter database's character set.
  11. *
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