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2011-05-06 18:30:28 / Java web开发及框架技术
环境:在局域网中有一台网络共享打印机, 是富士的激光打印机 。JDK1.5需求: 因程序中有一个功能需要打印Excel报表。症状: 在代码中有一段打印的代码,但debug却总是报Failed: No response,在代码中有用到ipp协议。还望有高手能帮忙解答此问题
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2011-03-08 17:18:59 / Java web开发及框架技术
用SSH框架来做一个项目,部署到Tomcat6上,启动Tomcat时,报以下异常:2011-3-8 17:14:43 org.apache.catalina.core.AprLifecycleListener init信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\eclipse\bin;C:\tomcat-6.0.14\bin2011-3-8 17:14:43 org.apache.coyote.http11.Http11Protocol init信息: Initializing Coyote HTTP/1.1 on http-80802011-3-8 17:14:43 org.apache.catalina.startup.Catalina load信息: Init
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2010-08-09 10:16:55 / Oracle开发
表的结构及内容如下:IDVA---------- ----------169291361请高手指导如何用SQL写出这样的结果IDVA---------- ----------291
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2009-10-19 15:56:31 / Oracle开发
目前这个SQL要读两次表,能否改成只读一次表。select key_code,vari_no,award_date,wo_title,status,curr_code,target_end_date,netwk_act_code,contr_orgn_id,rqt_no,id_nofrom r_wrkordwhere award_date >= to_date('2009-1-1','yyyy-mm-dd') andaward_date = to_date('2009-1-1','yyyy-mm-dd') andaward_date
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2008-11-01 21:09:20 / Oracle开发
declare--v_jobnumnumber;sql_stmtvarchar2(1024);cursor c_jobs isselect job from user_jobs where schema_user = 'APP';beginfor vc_jobs in c_jobs loop-- remove jobs from DBbeginsql_stmt := 'begin';sql_stmt := sql_stmt ||' dbms_job.remove'||'('||vc_jobs.job||');';sql_stmt := sql_stmt ||' end;';--dbms_output.put_line(sql_stmt);execute immediate sql_stmt;dbms_output.put_line('JOB had
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2008-03-26 10:51:07 / Oracle开发
declarev_stmt varchar2(1024);cursor c_1 isselect object_namefrom all_objectswhere owner = upper('ppcsdata')and object_type in ('TABLE','SEQUENCE','VIEW','PACKAGE')and object_name not like 'BIN%';beginfor v_1 in c_1 loopbegin--v_stmt := v_1.object_name;v_stmt :='grant select,update,insert,delete on '|| to_char(v_1.object_name) ||' to'||' ppcsuser'||' with grant option';--dbms_output.put_line(trim(v_stmt));execute immediate v_
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2008-03-17 16:44:11 / Oracle开发
declarev_sql varchar2(1024);v_cur_num number;CURSOR C_1 ISselect object_name from all_objectswhere owner ='PPCSDATA'and object_type ='SEQUENCE'and object_name not in('SEQ_RPT_WATER_FLOW_ID','SEQ_RPT_TEMP_FLOW_ID') ;beginfor V_1 in C_1 LOOPselect V_1.object_name.currval into v_cur_num from dual;while(V_1.object_name.currval
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