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Database error: Invalid SQL: select count(id) from pwn_comment where iffb='1' and catid='11' and pid='0'
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where iffb='1' and catid='11' and pid='0') called at [/home/wwwroot/zjledq.com/includes/db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where iffb='1' and catid='11' and pid='0') called at [/home/wwwroot/zjledq.com/comment/module/CommentClass.php:36] #2 CommentClass() called at [/home/wwwroot/zjledq.com/includes/common.inc.php:518] #3 printpage() called at [/home/wwwroot/zjledq.com/comment/html/index.php:13]
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Database error: Invalid SQL: select count(id) from pwn_comment where pid='415131' and iffb='1'
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where pid='415131' and iffb='1') called at [/home/wwwroot/zjledq.com/includes/db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where pid='415131' and iffb='1') called at [/home/wwwroot/zjledq.com/comment/module/CommentContent.php:65] #2 CommentContent() called at [/home/wwwroot/zjledq.com/includes/common.inc.php:518] #3 printpage() called at [/home/wwwroot/zjledq.com/comment/html/index.php:13]
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Warning: mysql_query() [function.mysql-query]: Unable to save result set in /home/wwwroot/zjledq.com/includes/db.inc.php on line 67
Database error: Invalid SQL: select * from pwn_comment where pid='415131' and iffb='1' order by id limit 0,10
MySQL Error: 1032 (Can't find record in 'pwn_comment')
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='415131' and iffb='1' order by id limit 0,10) called at [/home/wwwroot/zjledq.com/includes/db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='415131' and iffb='1' order by id limit 0,10) called at [/home/wwwroot/zjledq.com/comment/module/CommentContent.php:167] #2 CommentContent() called at [/home/wwwroot/zjledq.com/includes/common.inc.php:518] #3 printpage() called at [/home/wwwroot/zjledq.com/comment/html/index.php:13]
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发布于:2021-9-30 06:30:23  访问:30 次 回复: 篇
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PIR (passive Infrared) Sensors Measure Infrared (IR) Mild Radiating From Shifting Objects That Emit Heat. The Sensor Means That You Can Detect Movement Of Individuals, Animals And Automobiles To Set O
PIR (passive infrared) sensors measure infrared (IR) mild radiating from shifting objects that emit heat. The sensor means that you can detect movement of individuals, animals and automobiles to set off security alarms and lighting. They are often used in PIR-based motion detectors. PIR sensors are passive because of the fact that no heat or vitality is emitted by the sensor they usually detect the emission of infrared radiation and never heat. The place are PIR sensors used? These sensors are used to detect movement and are perfect for security and safety equivalent to burglar alarms and safety lighting techniques. They can also be called PID passive infrared detectors (PID). They can be used internally & externally and might be mounted to ceilings & walls. PIR sensors have various ranges and brewwiki.win types including pet pleasant options (designed to disregard certain shapes of transferring objects, or only detect motion above a certain top). PIR sensors are used for applications similar to mechanically turning on lights when an individual enters a room or inflicting a video digicam to start out recording. How does a PIR sensor work? All objects emit some stage of radiation (not visible to the human eye) and the hotter one thing is, the extra radiation is emitted. The sensor detects levels of infrared radiation impinging upon it which varies relying on the temperature of the objects in entrance of the sensor. When a warm object (particular person or animal) walks in entrance, the temperature within the sensor’s area of view will increase from room to body temperature. The sensor converts this change in the incoming infrared radiation right into a change in the output voltage and this triggers the detection. How are PIR sensors installed? They`re fast and easy to fit using the screws and plugs which might be equipped to mount an adjustable bracket onto the wall or ceiling. They are available in various ranges, as soon as you recognize the vary of the sensor and how far it will probably detect you possibly can subsequently plan your security protection. Areas beneficial embody corners, hallways, patios, driveways, entrance and back entries. Best place being 2 to 3 metres above the bottom.
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