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Some electrical appliances contain coil components, which may lead to Eddy Current blocking during the initial power-on period. The generation of eddy current will weaken the transient voltage at the startup of the electrical appliance, resulting in slow start, the transient voltage generated after circuit breaking is enhanced, and the circuit may be damaged by sparks.In this case, add the Link Description for the Single-Phase Frequency Conversion Power Source in Hong Kong Yangsheng. Add the Lin

Label: style blog HTTP ar use SP file on LogToday, the computer suddenly crashed, but the word failed to prompt Automatic Recovery pane. Therefore, the Word documents cannot be automatically restored. However, an ASD recovery document starting with "auto recovery" is displayed in the folder where the document is located.How can I use this document?To install the previous practice, try the following method:1) You cannot double-click it.2) Changing the suffix to docx cannot be used.Finally, after

Reposted at: http://blog.csdn.net/donglynn/article/details/17056099error SQL query: Delete from 'zmax _ Lang 'Where convert ('zmax _ Lang'. 'lang 'using utf8) = 'Fr' limit 1 MySQL returns: #1451-cannot delete or update a parent row: A foreign key constraint fails ('myreview/zmax_text ', constraint 'zmax _ text_ibfk_1' foreign key ('lang ') references 'zmax _ Lang '('lang ')) The above is because a field of the record is changed to the exter

The system throws a 18483 error and fails to connect to the server, because 'stributor _ admin' does not define remote login. The following error occurs at the end of the snapshot copy setting on the distribution server:Error 18483: failed to connect to the server because 'stributor _ admin' does not define remote logon on the server. Why? How can this problem be solved ?? Thank you for your advice! Solution: I just fixed this problem. When you

Upgrade failed. Error code 18003 is displayed.SymptomThe router fails to be upgraded. The error code 18003 is displayed, as shown in the following figure:Solution:This problem occurs because an incorrect upgrade program is used and the upgrade file is inconsistent with the router. You can only upgrade the software of the same version of the same model. Different software and hardware versions cannot be used.The methods to confirm the model and version

In PHP, calling the stored procedure in PDO mode fails. MYSQL, stored procedure Create definer = 'trip _ admin' @ 'localhost' PROCEDURE 'outtemp '(OUT 'p _ outtext' VARCHAR (100) proc: BEGIN set p_outtext = 'test '; insert into temp (tp) value (p_outtext); END The table TEMP is a tp field. PHP, PDO method, call this stored procedure, no return value, no data added in the table. $ DSN = "$ DBMS: host = $ HOST; dbname = $ DBName"; $ pdo = ne

When php fails to execute mysql, how does one write an error prompt? when writing php, sometimes the input field exceeds the length of the field set in mysql. Although the statement is normal, it is not added to the database. Reply to discussion (solution) Mysql_query ($ SQL) die (mysql_error ()); Mysql_query ($ SQL) die (mysql_error ());Should it be Mysql_query ($ SQL) or die (mysql_error ()); Hmm HmmDie (mysql_error (); how to add word

Phpftp fails to traverse folders when uploading multiple files. it is intended to upload files to FTP in batches. There are two arrays, dir and files, one is the directory array and the other is the file array. Failed to upload via ftp. there is no problem with a single upload ??? How can this problem be solved? foreach ($li['files'] as $i){$c+=1;$ftp->upload($i,$i);if($c>= count($li['files'])/2){set_time_limit(300);}} Reply to discussion (sol

The local computer fails to start Apache troubleshooting, Apache fault handling Recently, due to work needs, to learn the basic programming of PHP, so learning to set up PHP working environment. However, as described in the textbook, after the installation of WMAP, has been unable to run successfully. It was found that Apache was not running. Go to the Apache option in WMAP to select Start but not start. After the expert guidance, summed up the follo

MySQL console suddenly fails to log on 1045 error I'm using the Wamp integration pack. Use MySQL when you like to use the command line. Today, I suddenly reported 1045 errors: ERROR 1045 (28000): Access denied for user ' root ' @ ' localhost But phpMyAdmin can be used. And all of the apps are ready to run. Only with the command to travel not MySQL, really depressed. My username is root and the password is empty. Everybody help me see what's the situ

Mileage of about 160,000 km Ford Mondeo 2.0l sedan. the vehicle can not be started due to engine maintenance into the store.Troubleshooting: After loading the car, when you start the engine, start the machineNissan PIN code readerRunning strong, but when you turn the ignition switch, can not hear the voice of the Main relay, can not hear the sound of the fuel pump operation. carefully check the relevant fuse found in the passenger side of the fuse box fuse f67 blown.After replacing the fuse f67,

In many usage scenarios, we need to place something horizontally in the columns of the listview, so we use a horizontal stackpanel, but the problem is that texttrimming of textblock fails under the horizontal stackpanel. The reason is that the horizontal stackpanel does not limit the width of the space, so texttrimming, including textwrapping, does not work at this time, and the textblock will always be long. Unless you manually display the textblock

Label: iterator iostream list pointer The key to the problem is to save the current iterator before deleting the element. Of course, only list is supported here, because the chain of list deletes an element, the previous Pointer Points to the next element, and the vector and queue are hard to handle, they are either linear or semi-linear, and the iterator will become invalid. # Include The list loop deletes elements and the iterator fails.

Symptom QemuGuest migration fails and this error message appears: # virsh migrate qemu qemu+tcp://192.168.122.12/system error: Unable to resolve address name_of_host service '49155': Name or service not knownFor example, if the destination hostname is "NewYork", the error message will appear: # virsh migrate qemu qemu+tcp://192.168.122.12/systemerror: Unable to resolve address 'newyork' service '49155': Name or service not knownHowever, thi

Add the code in the server and location peers:Location ~. *\. (js|css|gif) $ { proxy_pass http://127.0.0.1:8866; }Cause analysis: (JS css gif is the suffix of static resources, not the name of the folder)The file cannot be found under the path of the reverse proxy, and the access path of the JS CSS file needs to be specified separately.--------------------------------------------------------------------------------------------------------------- ------------------------------

event, causing the Didselectrowatindexpath method to fail to respond.A workable workaround was found after reviewing the relevant documents: overriding the Uigesturerecognizerdelegate in the-(BOOL) Gesturerecognizer: (uigesturerecognizer *) Gesturerecognizer Shouldreceivetouch: (Uitouch *) Touch method. [CPP]View Plaincopy #pragma mark-uigesturerecognizerdelegate -(BOOL) Gesturerecognizer: (Uigesturerecognizer *) Gesturerecognizer Shouldreceivetouch: (Uitouch *) Touch { //Output Click

Code when the failure is raised:$.ajax ({ URL: ' Your URL ', data:{name:value}, Cache:false, async:true, type: ' POST ', DataType: ' json/xml/html ', success:function (result) { return result; } });How to resolve:var ret = null;$.ajax ({ URL: ' Your URL ', data:{name:value}, Cache:false,

Click through the JS traversal out of the list, jump page. Click the event delegate on the document ,Like this: $ (document). On ("click", ". Nav", function () {})On the Web and Android on the degree of no problem, can jump normally. But clicking on iOS doesn't have any response. The reason: event delegates oniOS cannot be bound to document and iOS, and should be bound on other parent elements of it$.each (Dataall,function(i,item) {str+ = ' Item.data_str+ ' ">Item.myheadimgurl+ ' "/>Item.myusern

keys related to editing, which you can also use to edit text in eclipse.1. "Ctrl + C": Copy.2. "Ctrl+x": Cut.3. "Ctrl + V": Paste.4. "Ctrl+s": Save the file.5. "Ctrl + Z": Undo.6. "Ctrl+y": Repeat.7. "Ctrl+f": Find.other shortcut keysThere are many shortcuts in eclipse that cannot be enumerated, and users can find out how to use them through the Help document, as well as several common shortcut keys.1. "Ctrl+f6": Switch to the next editor.2. "Ctrl+shift+f6": Switch to the previous editor.3. "CT

privileges from group Andother.# chmod 640externaljob.ora# Ls-la Externaljob.ora-rw-r-–1 root oinstall 1537 Sep 1309:24 Externaljob.ora3. Edit$oracle_home/rdbms/admin/externaljob.ora and set Run_user to the OS Accountthat owns the ORACLE installation and th e database and Run_group to the Osgroup that owns the oracle_home.Example:OS account:oracleOS Group:oinstallRun_user = OracleRun_group = Oinstall4. Ensure the setuid bit is set on The$oracle_home/bin/extjob executable. Alsomake sure the file