#1021

ORA-31021: Element definition not found

文档解释ORA-31021:ElementdefinitionnotfoundCause:Theelementdefinitionwasnotfound.Action:Supplythedefinitionfortheelementoruseadefinedelement.ORA-31021:Elementdefini...

ORA-41021: OCI error during transparent session migration

文档解释ORA-41021:OCIerrorduringtransparentsessionmigrationCause:AnOCIoperationfailedduringtransparentsessionmigration.Action:ChecktheOCIerrorsignalled,andtakecorre...

MySQL Error number: MY-010215; Symbol: ER_CONFIG_OPTION_WITHOUT_GROUP; SQLSTATE: HY000

文档解释Errornumber:MY-010215;Symbol:ER_CONFIG_OPTION_WITHOUT_GROUP;SQLSTATE:HY000Message:Foundoptionwithoutprecedinggroupinconfigfile错误说明:MY-010215是MySQL中的一个错误代码,其...

MySQL Error number: MY-010211; Symbol: ER_READING_TABLE_FAILED; SQLSTATE: HY000

文档解释Errornumber:MY-010211;Symbol:ER_READING_TABLE_FAILED;SQLSTATE:HY000Message:Goterror%dwhenreadingtable‘%s’错误编号:MY-010211;Symbol:ER_READING_TABLE_...

MySQL Error number: MY-010212; Symbol: ER_DES_FILE_WRONG_KEY; SQLSTATE: HY000

文档解释Errornumber:MY-010212;Symbol:ER_DES_FILE_WRONG_KEY;SQLSTATE:HY000Message:load_des_file:Foundwrongkey_number:%cMY-010212:ER_DES_FILE_WRONG_KEY:HY000错误错误说明:MY...

MySQL Error number: MY-012846; Symbol: ER_IB_MSG_1021; SQLSTATE: HY000

文档解释Errornumber:MY-012846;Symbol:ER_IB_MSG_1021;SQLSTATE:HY000Message:%s错误说明:ER_IB_MSG_1021是MySQL的一个错误,它是由MySQL数据库管理系统中定义的一个错误代码,它表示IntensoFormatting不能在指定的系统上执行...

MySQL Error number: MY-010217; Symbol: ER_VALGRIND_COUNT_LEAKS; SQLSTATE: HY000

文档解释Errornumber:MY-010217;Symbol:ER_VALGRIND_COUNT_LEAKS;SQLSTATE:HY000Message:VALGRIND_COUNT_LEAKSreports%luleakedbytesforquery‘%.*s’错误说明:MY-010217...

MySQL Error number: MY-010219; Symbol: ER_UNKNOWN_ERROR_NUMBER; SQLSTATE: HY000

文档解释Errornumber:MY-010219;Symbol:ER_UNKNOWN_ERROR_NUMBER;SQLSTATE:HY000Message:Gotunknownerror:%d错误说明MY-010219(ER_UNKNOWN_ERROR_NUMBER,HY000)是MySQL错误代码,它说明MySQL...

MySQL Error number: MY-011021; Symbol: ER_READ_LOG_EVENT_FAILED; SQLSTATE: HY000

文档解释Errornumber:MY-011021;Symbol:ER_READ_LOG_EVENT_FAILED;SQLSTATE:HY000Message:ErrorinLog_event::read_log_event():‘%s’,data_len:%lu,event_type:%d.错...

MySQL Error number: MY-010214; Symbol: ER_JSON_PARSE_ERROR; SQLSTATE: HY000

文档解释Errornumber:MY-010214;Symbol:ER_JSON_PARSE_ERROR;SQLSTATE:HY000Message:Persistedconfigfileiscorrupt.Pleaseensuremysqld-auto.cnffileisvalidJSON.MySQLER_JSON_...

MySQL Error number: MY-010218; Symbol: ER_LOAD_DATA_INFILE_FAILED_IN_UNEXPECTED_WAY; SQLSTATE: HY000

文档解释Errornumber:MY-010218;Symbol:ER_LOAD_DATA_INFILE_FAILED_IN_UNEXPECTED_WAY;SQLSTATE:HY000Message:LOADDATAINFILEinthereplicaSQLThreadcanonlyreadfrom–rep...

MySQL Error number: MY-010216; Symbol: ER_VALGRIND_DO_QUICK_LEAK_CHECK; SQLSTATE: HY000

文档解释Errornumber:MY-010216;Symbol:ER_VALGRIND_DO_QUICK_LEAK_CHECK;SQLSTATE:HY000Message:VALGRIND_DO_QUICK_LEAK_CHECK这是MySQL中发生的一个错误,其错误编号是MY-010216,错误符号为ER_VALGR...

MySQL Error number: MY-010210; Symbol: ER_SR_INVALID_CONTEXT; SQLSTATE: HY000

文档解释Errornumber:MY-010210;Symbol:ER_SR_INVALID_CONTEXT;SQLSTATE:HY000Message:Invalidcreationcontext‘%s.%s’.错误说明:MY-010210将会被抛出,表明一个无效的存储引擎上下文被发现。这是一...

1021 Deepest Root (25 分)

Agraphwhichisconnectedandacycliccanbeconsideredatree.Theheightofthetreedependsontheselectedroot.Nowyouaresupposedtofindtherootthatresultsinahighesttree.Sucharoo...
代码星球 ·2020-08-09

转:ArcGIS中利用ArcMap将地理坐标系转换成投影坐标系(从WKID=4326到WKID=102100)

 对于非地理专业的开发人员,对与这些生涩的概念,我们不一定都要了解,但是我们要理解,凡是以经纬度为单位的都是地理坐标系,因为它归根结底是一个椭球体,只不过各个国家为了反映该国家所在区域地球的真实形状,而采用不同的数学模型对本不是椭球体的地球进行椭球体化。而投影坐标系,是对地理坐标系按照某种方式投影到平面上的,...
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