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• MAMP + Python MySQLDB - trouble installing

  - by Frederico

  I'm currently running the latest version of MAMP on my Snow Leopard OSX, and I'm trying to install MySQLDB. Downloaded: MySQL-python-1.2.3c1 I went into the setup_posix.py and adjusted the location of the mysql_config to the one in MAMP: mysql_config.path = "/Applications/MAMP/Library/bin/mysql_config" When trying to build I get the error below. Could anyone give me a hand please: creating build/temp.macosx-10.6-universal-2.6 gcc-4.2 -fno-strict-aliasing -fno-common -dynamic -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch i386 -arch ppc -arch x86_64 -pipe -Dversion_info=(1,2,3,'gamma',1) -D_version_=1.2.3c1 -I/Applications/MAMP/Library/include/mysql -I/System/Library/Frameworks/Python.framework/Versions/2.6/include/python2.6 -c _mysql.c -o build/temp.macosx-10.6-universal-2.6/_mysql.o -fno-omit-frame-pointer -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DIGNORE_SIGHUP_SIGQUIT -DDONT_DECLARE_CXA_PURE_VIRTUAL _mysql.c:36:23: error: my_config.h: No such file or directory _mysql.c:38:19: error: mysql.h: No such file or directory _mysql.c:39:26: error: mysqld_error.h: No such file or directory _mysql.c:40:20: error: errmsg.h: No such file or directory _mysql.c:76: error: expected specifier-qualifier-list before ‘MYSQL’ _mysql.c:90: error: expected specifier-qualifier-list before ‘MYSQL_RES’ _mysql.c: In function ‘_mysql_Exception’: _mysql.c:120: warning: implicit declaration of function ‘mysql_errno’ _mysql.c:120: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:123: error: ‘CR_MAX_ERROR’ undeclared (first use in this function) _mysql.c:123: error: (Each undeclared identifier is reported only once _mysql.c:123: error: for each function it appears in.) _mysql.c:131: error: ‘CR_COMMANDS_OUT_OF_SYNC’ undeclared (first use in this function) _mysql.c:132: error: ‘ER_DB_CREATE_EXISTS’ undeclared (first use in this function) _mysql.c:133: error: ‘ER_SYNTAX_ERROR’ undeclared (first use in this function) _mysql.c:134: error: ‘ER_PARSE_ERROR’ undeclared (first use in this function) _mysql.c:135: error: ‘ER_NO_SUCH_TABLE’ undeclared (first use in this function) _mysql.c:136: error: ‘ER_WRONG_DB_NAME’ undeclared (first use in this function) _mysql.c:137: error: ‘ER_WRONG_TABLE_NAME’ undeclared (first use in this function) _mysql.c:138: error: ‘ER_FIELD_SPECIFIED_TWICE’ undeclared (first use in this function) _mysql.c:139: error: ‘ER_INVALID_GROUP_FUNC_USE’ undeclared (first use in this function) _mysql.c:140: error: ‘ER_UNSUPPORTED_EXTENSION’ undeclared (first use in this function) _mysql.c:141: error: ‘ER_TABLE_MUST_HAVE_COLUMNS’ undeclared (first use in this function) _mysql.c:170: error: ‘ER_DUP_ENTRY’ undeclared (first use in this function) _mysql.c:213: warning: implicit declaration of function ‘mysql_error’ _mysql.c:213: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:213: warning: passing argument 1 of ‘PyString_FromString’ makes pointer from integer without a cast _mysql.c: In function ‘_mysql_server_init’: _mysql.c:308: warning: label ‘finish’ defined but not used _mysql.c:234: warning: unused variable ‘item’ _mysql.c:233: warning: unused variable ‘groupc’ _mysql.c:233: warning: unused variable ‘i’ _mysql.c:233: warning: unused variable ‘cmd_argc’ _mysql.c:232: warning: unused variable ‘s’ _mysql.c: In function ‘_mysql_ResultObject_Initialize’: _mysql.c:363: error: ‘MYSQL_RES’ undeclared (first use in this function) _mysql.c:363: error: ‘result’ undeclared (first use in this function) _mysql.c:368: error: ‘MYSQL_FIELD’ undeclared (first use in this function) _mysql.c:368: error: ‘fields’ undeclared (first use in this function) _mysql.c:377: error: ‘_mysql_ResultObject’ has no member named ‘use’ _mysql.c:380: warning: implicit declaration of function ‘mysql_use_result’ _mysql.c:380: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:382: warning: implicit declaration of function ‘mysql_store_result’ _mysql.c:382: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:383: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:386: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:389: warning: implicit declaration of function ‘mysql_num_fields’ _mysql.c:390: error: ‘_mysql_ResultObject’ has no member named ‘nfields’ _mysql.c:391: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:392: warning: implicit declaration of function ‘mysql_fetch_fields’ _mysql.c:438: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ResultObject_traverse’: _mysql.c:450: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:451: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ResultObject_clear’: _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:463: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ConnectionObject_Initialize’: _mysql.c:475: error: ‘MYSQL’ undeclared (first use in this function) _mysql.c:475: error: ‘conn’ undeclared (first use in this function) _mysql.c:500: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:501: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:525: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:547: warning: implicit declaration of function ‘mysql_init’ _mysql.c:547: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:550: warning: implicit declaration of function ‘mysql_options’ _mysql.c:550: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:550: error: ‘MYSQL_OPT_CONNECT_TIMEOUT’ undeclared (first use in this function) _mysql.c:554: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:554: error: ‘MYSQL_OPT_COMPRESS’ undeclared (first use in this function) _mysql.c:555: error: ‘CLIENT_COMPRESS’ undeclared (first use in this function) _mysql.c:558: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:558: error: ‘MYSQL_OPT_NAMED_PIPE’ undeclared (first use in this function) _mysql.c:560: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:560: error: ‘MYSQL_INIT_COMMAND’ undeclared (first use in this function) _mysql.c:562: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:562: error: ‘MYSQL_READ_DEFAULT_FILE’ undeclared (first use in this function) _mysql.c:564: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:564: error: ‘MYSQL_READ_DEFAULT_GROUP’ undeclared (first use in this function) _mysql.c:567: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:567: error: ‘MYSQL_OPT_LOCAL_INFILE’ undeclared (first use in this function) _mysql.c:575: warning: implicit declaration of function ‘mysql_real_connect’ _mysql.c:575: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:590: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c: In function ‘_mysql_ConnectionObject_traverse’: _mysql.c:671: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:672: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ConnectionObject_clear’: _mysql.c:680: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:680: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:680: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:680: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:681: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ConnectionObject_close’: _mysql.c:696: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:698: warning: implicit declaration of function ‘mysql_close’ _mysql.c:698: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:700: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c: In function ‘_mysql_ConnectionObject_affected_rows’: _mysql.c:722: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:723: warning: implicit declaration of function ‘mysql_affected_rows’ _mysql.c:723: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_debug’: _mysql.c:739: warning: implicit declaration of function ‘mysql_debug’ _mysql.c: In function ‘_mysql_ConnectionObject_dump_debug_info’: _mysql.c:757: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:759: warning: implicit declaration of function ‘mysql_dump_debug_info’ _mysql.c:759: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_autocommit’: _mysql.c:783: warning: implicit declaration of function ‘mysql_query’ _mysql.c:783: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_commit’: _mysql.c:806: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_rollback’: _mysql.c:828: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_errno’: _mysql.c:940: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:941: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_error’: _mysql.c:956: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:957: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:957: warning: passing argument 1 of ‘PyString_FromString’ makes pointer from integer without a cast _mysql.c: In function ‘_mysql_escape_string’: _mysql.c:981: warning: implicit declaration of function ‘mysql_escape_string’ _mysql.c: In function ‘_mysql_escape’: _mysql.c:1088: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ResultObject_describe’: _mysql.c:1168: error: ‘MYSQL_FIELD’ undeclared (first use in this function) _mysql.c:1168: error: ‘fields’ undeclared (first use in this function) _mysql.c:1171: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1172: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1173: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1184: warning: implicit declaration of function ‘IS_NOT_NULL’ _mysql.c: In function ‘_mysql_ResultObject_field_flags’: _mysql.c:1204: error: ‘MYSQL_FIELD’ undeclared (first use in this function) _mysql.c:1204: error: ‘fields’ undeclared (first use in this function) _mysql.c:1207: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1208: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1209: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: At top level: _mysql.c:1250: error: expected declaration specifiers or ‘...’ before ‘MYSQL_ROW’ _mysql.c: In function ‘_mysql_row_to_tuple’: _mysql.c:1256: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1258: warning: implicit declaration of function ‘mysql_fetch_lengths’ _mysql.c:1258: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1258: warning: assignment makes pointer from integer without a cast _mysql.c:1261: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:1262: error: ‘row’ undeclared (first use in this function) _mysql.c: At top level: _mysql.c:1275: error: expected declaration specifiers or ‘...’ before ‘MYSQL_ROW’ _mysql.c: In function ‘_mysql_row_to_dict’: _mysql.c:1280: error: ‘MYSQL_FIELD’ undeclared (first use in this function) _mysql.c:1280: error: ‘fields’ undeclared (first use in this function) _mysql.c:1282: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1284: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1284: warning: assignment makes pointer from integer without a cast _mysql.c:1285: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1288: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:1289: error: ‘row’ undeclared (first use in this function) _mysql.c: At top level: _mysql.c:1314: error: expected declaration specifiers or ‘...’ before ‘MYSQL_ROW’ _mysql.c: In function ‘_mysql_row_to_dict_old’: _mysql.c:1319: error: ‘MYSQL_FIELD’ undeclared (first use in this function) _mysql.c:1319: error: ‘fields’ undeclared (first use in this function) _mysql.c:1321: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1323: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1323: warning: assignment makes pointer from integer without a cast _mysql.c:1324: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1327: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:1328: error: ‘row’ undeclared (first use in this function) _mysql.c: At top level: _mysql.c:1350: error: expected declaration specifiers or ‘...’ before ‘MYSQL_ROW’ _mysql.c: In function ‘mysql_fetch_row’: _mysql.c:1361: error: ‘MYSQL_ROW’ undeclared (first use in this function) _mysql.c:1361: error: expected ‘;’ before ‘row’ _mysql.c:1365: error: ‘_mysql_ResultObject’ has no member named ‘use’ _mysql.c:1366: error: ‘row’ undeclared (first use in this function) _mysql.c:1366: warning: implicit declaration of function ‘mysql_fetch_row’ _mysql.c:1366: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1369: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:1372: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:1380: error: too many arguments to function ‘convert_row’ _mysql.c: In function ‘_mysql_ResultObject_fetch_row’: _mysql.c:1404: error: expected declaration specifiers or ‘...’ before ‘MYSQL_ROW’ _mysql.c:1419: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1431: error: ‘_mysql_ResultObject’ has no member named ‘use’ _mysql.c:1445: warning: implicit declaration of function ‘mysql_num_rows’ _mysql.c:1445: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ConnectionObject_character_set_name’: _mysql.c:1512: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c: In function ‘_mysql_get_client_info’: _mysql.c:1603: warning: implicit declaration of function ‘mysql_get_client_info’ _mysql.c:1603: warning: passing argument 1 of ‘PyString_FromString’ makes pointer from integer without a cast _mysql.c: In function ‘_mysql_ConnectionObject_get_host_info’: _mysql.c:1617: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1618: warning: implicit declaration of function ‘mysql_get_host_info’ _mysql.c:1618: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:1618: warning: passing argument 1 of ‘PyString_FromString’ makes pointer from integer without a cast _mysql.c: In function ‘_mysql_ConnectionObject_get_proto_info’: _mysql.c:1632: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1633: warning: implicit declaration of function ‘mysql_get_proto_info’ _mysql.c:1633: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_get_server_info’: _mysql.c:1647: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1648: warning: implicit declaration of function ‘mysql_get_server_info’ _mysql.c:1648: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:1648: warning: passing argument 1 of ‘PyString_FromString’ makes pointer from integer without a cast _mysql.c: In function ‘_mysql_ConnectionObject_info’: _mysql.c:1664: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1665: warning: implicit declaration of function ‘mysql_info’ _mysql.c:1665: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:1665: warning: assignment makes pointer from integer without a cast _mysql.c: In function ‘_mysql_ConnectionObject_insert_id’: _mysql.c:1697: error: ‘my_ulonglong’ undeclared (first use in this function) _mysql.c:1697: error: expected ‘;’ before ‘r’ _mysql.c:1699: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1701: error: ‘r’ undeclared (first use in this function) _mysql.c:1701: warning: implicit declaration of function ‘mysql_insert_id’ _mysql.c:1701: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_kill’: _mysql.c:1718: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1720: warning: implicit declaration of function ‘mysql_kill’ _mysql.c:1720: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_field_count’: _mysql.c:1739: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1741: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ResultObject_num_fields’: _mysql.c:1756: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1757: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ResultObject_num_rows’: _mysql.c:1772: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1773: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ConnectionObject_ping’: _mysql.c:1802: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1803: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:1805: warning: implicit declaration of function ‘mysql_ping’ _mysql.c:1805: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_query’: _mysql.c:1826: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1828: warning: implicit declaration of function ‘mysql_real_query’ _mysql.c:1828: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_select_db’: _mysql.c:1856: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1858: warning: implicit declaration of function ‘mysql_select_db’ _mysql.c:1858: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_shutdown’: _mysql.c:1877: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1879: warning: implicit declaration of function ‘mysql_shutdown’ _mysql.c:1879: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_stat’: _mysql.c:1904: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1906: warning: implicit declaration of function ‘mysql_stat’ _mysql.c:1906: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:1906: warning: assignment makes pointer from integer without a cast _mysql.c: In function ‘_mysql_ConnectionObject_store_result’: _mysql.c:1927: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1928: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:1937: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ConnectionObject_thread_id’: _mysql.c:1966: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1968: warning: implicit declaration of function ‘mysql_thread_id’ _mysql.c:1968: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ConnectionObject_use_result’: _mysql.c:1988: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:1989: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:1998: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ConnectionObject_dealloc’: _mysql.c:2016: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c: In function ‘_mysql_ConnectionObject_repr’: _mysql.c:2028: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:2029: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c: In function ‘_mysql_ResultObject_data_seek’: _mysql.c:2047: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:2048: warning: implicit declaration of function ‘mysql_data_seek’ _mysql.c:2048: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ResultObject_row_seek’: _mysql.c:2061: error: ‘MYSQL_ROW_OFFSET’ undeclared (first use in this function) _mysql.c:2061: error: expected ‘;’ before ‘r’ _mysql.c:2063: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:2064: error: ‘_mysql_ResultObject’ has no member named ‘use’ _mysql.c:2069: error: ‘r’ undeclared (first use in this function) _mysql.c:2069: warning: implicit declaration of function ‘mysql_row_tell’ _mysql.c:2069: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:2070: warning: implicit declaration of function ‘mysql_row_seek’ _mysql.c:2070: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ResultObject_row_tell’: _mysql.c:2082: error: ‘MYSQL_ROW_OFFSET’ undeclared (first use in this function) _mysql.c:2082: error: expected ‘;’ before ‘r’ _mysql.c:2084: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:2085: error: ‘_mysql_ResultObject’ has no member named ‘use’ _mysql.c:2090: error: ‘r’ undeclared (first use in this function) _mysql.c:2090: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:2091: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: In function ‘_mysql_ResultObject_dealloc’: _mysql.c:2099: warning: implicit declaration of function ‘mysql_free_result’ _mysql.c:2099: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c: At top level: _mysql.c:2330: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:2337: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:2344: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:2351: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:2358: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:2421: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:2421: error: initializer element is not constant _mysql.c:2421: error: (near initialization for ‘_mysql_ResultObject_memberlist[0].offset’) _mysql.c: In function ‘_mysql_ConnectionObject_getattr’: _mysql.c:2443: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:36:23: error: my_config.h: No such file or directory _mysql.c:38:19: error: mysql.h: No such file or directory _mysql.c:39:26: error: mysqld_error.h: No such file or directory _mysql.c:40:20: error: errmsg.h: No such file or directory _mysql.c:76: error: expected specifier-qualifier-list before ‘MYSQL’ _mysql.c:90: error: expected specifier-qualifier-list before ‘MYSQL_RES’ _mysql.c: In function ‘_mysql_Exception’: _mysql.c:120: warning: implicit declaration of function ‘mysql_errno’ _mysql.c:120: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:123: error: ‘CR_MAX_ERROR’ undeclared (first use in this function) _mysql.c:123: error: (Each undeclared identifier is reported only once _mysql.c:123: error: for each function it appears in.) _mysql.c:131: error: ‘CR_COMMANDS_OUT_OF_SYNC’ undeclared (first use in this function) _mysql.c:132: error: ‘ER_DB_CREATE_EXISTS’ undeclared (first use in this function) _mysql.c:133: error: ‘ER_SYNTAX_ERROR’ undeclared (first use in this function) _mysql.c:134: error: ‘ER_PARSE_ERROR’ undeclared (first use in this function) _mysql.c:135: error: ‘ER_NO_SUCH_TABLE’ undeclared (first use in this function) _mysql.c:136: error: ‘ER_WRONG_DB_NAME’ undeclared (first use in this function) _mysql.c:137: error: ‘ER_WRONG_TABLE_NAME’ undeclared (first use in this function) _mysql.c:138: error: ‘ER_FIELD_SPECIFIED_TWICE’ undeclared (first use in this function) _mysql.c:139: error: ‘ER_INVALID_GROUP_FUNC_USE’ undeclared (first use in this function) _mysql.c:140: error: ‘ER_UNSUPPORTED_EXTENSION’ undeclared (first use in this function) _mysql.c:141: error: ‘ER_TABLE_MUST_HAVE_COLUMNS’ undeclared (first use in this function) _mysql.c:170: error: ‘ER_DUP_ENTRY’ undeclared (first use in this function) _mysql.c:213: warning: implicit declaration of function ‘mysql_error’ _mysql.c:213: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:213: warning: passing argument 1 of ‘PyString_FromString’ makes pointer from integer without a cast _mysql.c: In function ‘_mysql_server_init’: _mysql.c:308: warning: label ‘finish’ defined but not used _mysql.c:234: warning: unused variable ‘item’ _mysql.c:233: warning: unused variable ‘groupc’ _mysql.c:233: warning: unused variable ‘i’ _mysql.c:233: warning: unused variable ‘cmd_argc’ _mysql.c:232: warning: unused variable ‘s’ _mysql.c: In function ‘_mysql_ResultObject_Initialize’: _mysql.c:363: error: ‘MYSQL_RES’ undeclared (first use in this function) _mysql.c:363: error: ‘result’ undeclared (first use in this function) _mysql.c:368: error: ‘MYSQL_FIELD’ undeclared (first use in this function) _mysql.c:368: error: ‘fields’ undeclared (first use in this function) _mysql.c:377: error: ‘_mysql_ResultObject’ has no member named ‘use’ _mysql.c:380: warning: implicit declaration of function ‘mysql_use_result’ _mysql.c:380: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:382: warning: implicit declaration of function ‘mysql_store_result’ _mysql.c:382: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:383: error: ‘_mysql_ResultObject’ has no member named ‘result’ _mysql.c:386: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:389: warning: implicit declaration of function ‘mysql_num_fields’ _mysql.c:390: error: ‘_mysql_ResultObject’ has no member named ‘nfields’ _mysql.c:391: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:392: warning: implicit declaration of function ‘mysql_fetch_fields’ _mysql.c:438: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ResultObject_traverse’: _mysql.c:450: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:451: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ResultObject_clear’: _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:462: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c:463: error: ‘_mysql_ResultObject’ has no member named ‘converter’ _mysql.c: In function ‘_mysql_ConnectionObject_Initialize’: _mysql.c:475: error: ‘MYSQL’ undeclared (first use in this function) _mysql.c:475: error: ‘conn’ undeclared (first use in this function) _mysql.c:500: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:501: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c:525: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:547: warning: implicit declaration of function ‘mysql_init’ _mysql.c:547: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:550: warning: implicit declaration of function ‘mysql_options’ _mysql.c:550: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:550: error: ‘MYSQL_OPT_CONNECT_TIMEOUT’ undeclared (first use in this function) _mysql.c:554: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:554: error: ‘MYSQL_OPT_COMPRESS’ undeclared (first use in this function) _mysql.c:555: error: ‘CLIENT_COMPRESS’ undeclared (first use in this function) _mysql.c:558: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:558: error: ‘MYSQL_OPT_NAMED_PIPE’ undeclared (first use in this function) _mysql.c:560: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:560: error: ‘MYSQL_INIT_COMMAND’ undeclared (first use in this function) _mysql.c:562: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:562: error: ‘MYSQL_READ_DEFAULT_FILE’ undeclared (first use in this function) _mysql.c:564: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:564: error: ‘MYSQL_READ_DEFAULT_GROUP’ undeclared (first use in this function) _mysql.c:567: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:567: error: ‘MYSQL_OPT_LOCAL_INFILE’ undeclared (first use in this function) _mysql.c:575: warning: implicit declaration of function ‘mysql_real_connect’ _mysql.c:575: error: ‘_mysql_ConnectionObject’ has no member named ‘connection’ _mysql.c:590: error: ‘_mysql_ConnectionObject’ has no member named ‘open’ _mysql.c: In function ‘_mysql_ConnectionObject_traverse’: _mysql.c:671: error: ‘_mysql_ConnectionObject’ has no member named ‘converter’ _mysql.c:

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• How to do inclusive range queries when only half-open range is supported (ala SortedMap.subMap)

  - by polygenelubricants

  On SortedMap.subMap This is the API for SortedMap<K,V>.subMap: SortedMap<K,V> subMap(K fromKey, K toKey) : Returns a view of the portion of this map whose keys range from fromKey, inclusive, to toKey, exclusive. This inclusive lower bound, exclusive upper bound combo ("half-open range") is something that is prevalent in Java, and while it does have its benefits, it also has its quirks, as we shall soon see. The following snippet illustrates a simple usage of subMap: static <K,V> SortedMap<K,V> someSortOfSortedMap() { return Collections.synchronizedSortedMap(new TreeMap<K,V>()); } //... SortedMap<Integer,String> map = someSortOfSortedMap(); map.put(1, "One"); map.put(3, "Three"); map.put(5, "Five"); map.put(7, "Seven"); map.put(9, "Nine"); System.out.println(map.subMap(0, 4)); // prints "{1=One, 3=Three}" System.out.println(map.subMap(3, 7)); // prints "{3=Three, 5=Five}" The last line is important: 7=Seven is excluded, due to the exclusive upper bound nature of subMap. Now suppose that we actually need an inclusive upper bound, then we could try to write a utility method like this: static <V> SortedMap<Integer,V> subMapInclusive(SortedMap<Integer,V> map, int from, int to) { return (to == Integer.MAX_VALUE) ? map.tailMap(from) : map.subMap(from, to + 1); } Then, continuing on with the above snippet, we get: System.out.println(subMapInclusive(map, 3, 7)); // prints "{3=Three, 5=Five, 7=Seven}" map.put(Integer.MAX_VALUE, "Infinity"); System.out.println(subMapInclusive(map, 5, Integer.MAX_VALUE)); // {5=Five, 7=Seven, 9=Nine, 2147483647=Infinity} A couple of key observations need to be made: The good news is that we don't care about the type of the values, but... subMapInclusive assumes Integer keys for to + 1 to work. A generic version that also takes e.g. Long keys is not possible (see related questions) Not to mention that for Long, we need to compare against Long.MAX_VALUE instead Overloads for the numeric primitive boxed types Byte, Character, etc, as keys, must all be written individually A special check need to be made for toInclusive == Integer.MAX_VALUE, because +1 would overflow, and subMap would throw IllegalArgumentException: fromKey > toKey This, generally speaking, is an overly ugly and overly specific solution What about String keys? Or some unknown type that may not even be Comparable<?>? So the question is: is it possible to write a general subMapInclusive method that takes a SortedMap<K,V>, and K fromKey, K toKey, and perform an inclusive-range subMap queries? Related questions Are upper bounds of indexed ranges always assumed to be exclusive? Is it possible to write a generic +1 method for numeric box types in Java? On NavigableMap It should be mentioned that there's a NavigableMap.subMap overload that takes two additional boolean variables to signify whether the bounds are inclusive or exclusive. Had this been made available in SortedMap, then none of the above would've even been asked. So working with a NavigableMap<K,V> for inclusive range queries would've been ideal, but while Collections provides utility methods for SortedMap (among other things), we aren't afforded the same luxury with NavigableMap. Related questions Writing a synchronized thread-safety wrapper for NavigableMap On API providing only exclusive upper bound range queries Does this highlight a problem with exclusive upper bound range queries? How were inclusive range queries done in the past when exclusive upper bound is the only available functionality?

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• SNMP - Value of CPU processor load not reflecting reality

  - by Ovesh

  Trying to plot CPU load on my server, with the following hardware: ProLiant DL360p Gen8 (same behavior on ProLiant DL360 G7). The machine is running VMWare ESXi5.1 To create a CPU spike I run dd if=/dev/zero of=/dev/null, and I know the CPU is overloaded, because I can see a correlating spike in the graphs displayed on vCenter. However, running this snmpwalk: snmpwalk -v 1 -c ******** 192.168.MY_IP 1.3.6.1.2.1.25.3.3.1.2 Shows the following results: iso.3.6.1.2.1.25.3.3.1.2.1 = INTEGER: 3 iso.3.6.1.2.1.25.3.3.1.2.2 = INTEGER: 2 iso.3.6.1.2.1.25.3.3.1.2.3 = INTEGER: 2 iso.3.6.1.2.1.25.3.3.1.2.4 = INTEGER: 3 Am I not looking into the right MIB? Should I be multiplying these by a constant? By the way, using HP Agentless Monitoring I was able to get some cpu stats, but not what I'm looking for, at least nothing I could find wading through these MIBs.

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• How to define an n-m relation in doctrine?

  - by murze

  If got a table "Article" and a table "Tags". Articles can have multiple tags and tags can hang to multiple articles. The class BaseArticle looks like this: abstract class BaseArticle extends Doctrine_Record { public function setTableDefinition() { $this->setTableName('article'); $this->hasColumn('article_id', 'integer', 8, array( 'type' => 'integer', 'length' => 8, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => true, )); $this->hasColumn('title', 'string', null, array( 'type' => 'string', 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, )); $this->hasColumn('text', 'string', null, array( 'type' => 'string', 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, $this->hasColumn('url', 'string', 255, array( 'type' => 'string', 'length' => 255, 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, )); } public function setUp() { parent::setUp(); $this->hasMany('Tag as Tags', array( 'local' => 'article_id', 'foreign'=>'tag_id', 'refClass'=>'Articletag') ); } } The BaseTag-class like this: abstract class BaseTag extends Doctrine_Record { public function setTableDefinition() { $this->setTableName('tag'); $this->hasColumn('tag_id', 'integer', 4, array( 'type' => 'integer', 'length' => 4, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => true, )); $this->hasColumn('name', 'string', null, array( 'type' => 'string', 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, )); } public function setUp() { parent::setUp(); $this->hasMany('Article as Articles', array( 'local' => 'tag_id', 'foreign'=>'article_id', 'refClass'=>'Articletag') ); } } And the relationship class like this: abstract class BaseArticletag extends Doctrine_Record { public function setTableDefinition() { $this->setTableName('articletag'); $this->hasColumn('article_id', 'integer', 8, array( 'type' => 'integer', 'length' => 8, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => false, )); $this->hasColumn('tag_id', 'integer', 4, array( 'type' => 'integer', 'length' => 4, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => false, )); } public function setUp() { parent::setUp(); } } When I try to get a property from the article all goes well by using: $article = Doctrine_Query::create()->from('Article a') ->where('id = ?' , 1) ->fetchOne(); echo $article->title; //gives me the title But when I try this: foreach($article->Tags as $tag) { echo($tag->name) } I get an error: Unknown record property / related component "Tags" on "Article"

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• Lock free multiple readers single writer

  - by dummzeuch

  I have got an in memory data structure that is read by multiple threads and written by only one thread. Currently I am using a critical section to make this access threadsafe. Unfortunately this has the effect of blocking readers even though only another reader is accessing it. There are two options to remedy this: use TMultiReadExclusiveWriteSynchronizer do away with any blocking by using a lock free approach For 2. I have got the following so far (any code that doesn't matter has been left out): type TDataManager = class private FAccessCount: integer; FData: TDataClass; public procedure Read(out _Some: integer; out _Data: double); procedure Write(_Some: integer; _Data: double); end; procedure TDataManager.Read(out _Some: integer; out _Data: double); var Data: TDAtaClass; begin InterlockedIncrement(FAccessCount); try // make sure we get both values from the same TDataClass instance Data := FData; // read the actual data _Some := Data.Some; _Data := Data.Data; finally InterlockedDecrement(FAccessCount); end; end; procedure TDataManager.Write(_Some: integer; _Data: double); var NewData: TDataClass; OldData: TDataClass; ReaderCount: integer; begin NewData := TDataClass.Create(_Some, _Data); InterlockedIncrement(FAccessCount); OldData := TDataClass(InterlockedExchange(integer(FData), integer(NewData)); // now FData points to the new instance but there might still be // readers that got the old one before we exchanged it. ReaderCount := InterlockedDecrement(FAccessCount); if ReaderCount = 0 then // no active readers, so we can safely free the old instance FreeAndNil(OldData) else begin /// here is the problem end; end; Unfortunately there is the small problem of getting rid of the OldData instance after it has been replaced. If no other thread is currently within the Read method (ReaderCount=0), it can safely be disposed and that's it. But what can I do if that's not the case? I could just store it until the next call and dispose it there, but Windows scheduling could in theory let a reader thread sleep while it is within the Read method and still has got a reference to OldData. If you see any other problem with the above code, please tell me about it. This is to be run on computers with multiple cores and the above methods are to be called very frequently. In case this matters: I am using Delphi 2007 with the builtin memory manager. I am aware that the memory manager probably enforces some lock anyway when creating a new class but I want to ignore that for the moment. Edit: It may not have been clear from the above: For the full lifetime of the TDataManager object there is only one thread that writes to the data, not several that might compete for write access. So this is a special case of MREW.

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• What happens when you add/remove current site as trusted site?

  - by kasey

  What happens when you add/remove the current site, while logged on, as a trusted site? When users do this on our website, and then try to click on a link or close the browser, they get the following JavaScript exception: "Microsoft JScript runtime error: 'type' is null or not an object" in the below library code at the line "var etype = this.type = e.type.toLowerCase();" Sys.UI.DomEvent = function Sys$UI$DomEvent(eventObject) { /// <summary locid="M:J#Sys.UI.DomEvent.#ctor" /> /// <param name="eventObject"></param> /// <field name="altKey" type="Boolean" locid="F:J#Sys.UI.DomEvent.altKey"></field> /// <field name="button" type="Sys.UI.MouseButton" locid="F:J#Sys.UI.DomEvent.button"></field> /// <field name="charCode" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.charCode"></field> /// <field name="clientX" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.clientX"></field> /// <field name="clientY" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.clientY"></field> /// <field name="ctrlKey" type="Boolean" locid="F:J#Sys.UI.DomEvent.ctrlKey"></field> /// <field name="keyCode" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.keyCode"></field> /// <field name="offsetX" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.offsetX"></field> /// <field name="offsetY" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.offsetY"></field> /// <field name="screenX" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.screenX"></field> /// <field name="screenY" type="Number" integer="true" locid="F:J#Sys.UI.DomEvent.screenY"></field> /// <field name="shiftKey" type="Boolean" locid="F:J#Sys.UI.DomEvent.shiftKey"></field> /// <field name="target" locid="F:J#Sys.UI.DomEvent.target"></field> /// <field name="type" type="String" locid="F:J#Sys.UI.DomEvent.type"></field> var e = Function._validateParams(arguments, [ {name: "eventObject"} ]); if (e) throw e; var e = eventObject; var etype = this.type = e.type.toLowerCase(); this.rawEvent = e; this.altKey = e.altKey; if (typeof(e.button) !== 'undefined') { this.button = (typeof(e.which) !== 'undefined') ? e.button : (e.button === 4) ? Sys.UI.MouseButton.middleButton : (e.button === 2) ? Sys.UI.MouseButton.rightButton : Sys.UI.MouseButton.leftButton; } if (etype === 'keypress') { this.charCode = e.charCode || e.keyCode; } else if (e.keyCode && (e.keyCode === 46)) { this.keyCode = 127; } else { this.keyCode = e.keyCode; } this.clientX = e.clientX; this.clientY = e.clientY; this.ctrlKey = e.ctrlKey; this.target = e.target ? e.target : e.srcElement; if (!etype.startsWith('key')) { if ((typeof(e.offsetX) !== 'undefined') && (typeof(e.offsetY) !== 'undefined')) { this.offsetX = e.offsetX; this.offsetY = e.offsetY; } else if (this.target && (this.target.nodeType !== 3) && (typeof(e.clientX) === 'number')) { var loc = Sys.UI.DomElement.getLocation(this.target); var w = Sys.UI.DomElement._getWindow(this.target); this.offsetX = (w.pageXOffset || 0) + e.clientX - loc.x; this.offsetY = (w.pageYOffset || 0) + e.clientY - loc.y; } } this.screenX = e.screenX; this.screenY = e.screenY; this.shiftKey = e.shiftKey; } Note: the site does not require trusted privileges to function correctly.

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• Python - How to remove/unimport libs was imported before

  - by Marslo

  As we know that, in python 2.x, integer would be got if we divide two integer values. However, if using the furture (it's might be a lib or something like that), just like from __future__ import division, we can get float value. E.g.: >>> 3/2 1 >>> from __future__ import division >>> 3/2 1.5 >>> >>> >>> 3//2 1 >>> 4/3 1.3333333333333333 >>> So, '//' instead of '/' should be used if getting integer after imported division, but I want to know how to using '/' to get integer again. That is mean, whether there is some way to un-import or remove the libs which was imported before.

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• Invalid Cast Exception with Update Panel

  - by user1593175

  On Button Click Protected Sub btnSubmit_Click(sender As Object, e As System.EventArgs) Handles btnSubmit.Click MsgBox("INSIDE") If SocialAuthUser.IsLoggedIn Then Dim accountId As Integer = BLL.getAccIDFromSocialAuthSession Dim AlbumID As Integer = BLL.createAndReturnNewAlbumId(txtStoryTitle.Text.Trim, "") Dim URL As String = BLL.getAlbumPicUrl(txtStoryTitle.Text.Trim) Dim dt As New DataTable dt.Columns.Add("PictureID") dt.Columns.Add("AccountID") dt.Columns.Add("AlbumID") dt.Columns.Add("URL") dt.Columns.Add("Thumbnail") dt.Columns.Add("Description") dt.Columns.Add("AlbumCover") dt.Columns.Add("Tags") dt.Columns.Add("Votes") dt.Columns.Add("Abused") dt.Columns.Add("isActive") Dim Row As DataRow Dim uniqueFileName As String = "" If Session("ID") Is Nothing Then lblMessage.Text = "You don't seem to have uploaded any pictures." Exit Sub Else **Dim FileCount As Integer = Request.Form(Request.Form.Count - 2)** Dim FileName, TargetName As String Try Dim Path As String = Server.MapPath(BLL.getAlbumPicUrl(txtStoryTitle.Text.Trim)) If Not IO.Directory.Exists(Path) Then IO.Directory.CreateDirectory(Path) End If Dim StartIndex As Integer Dim PicCount As Integer For i As Integer = 0 To Request.Form.Count - 1 If Request.Form(i).ToLower.Contains("jpg") Or Request.Form(i).ToLower.Contains("gif") Or Request.Form(i).ToLower.Contains("png") Then StartIndex = i + 1 Exit For End If Next For i As Integer = StartIndex To Request.Form.Count - 4 Step 3 FileName = Request.Form(i) '## If part here is not kaam ka..but still using it for worst case scenario If IO.File.Exists(Path & FileName) Then TargetName = Path & FileName 'MsgBox(TargetName & "--- 1") Dim j As Integer = 1 While IO.File.Exists(TargetName) TargetName = Path & IO.Path.GetFileNameWithoutExtension(FileName) & "(" & j & ")" & IO.Path.GetExtension(FileName) j += 1 End While Else uniqueFileName = Guid.NewGuid.ToString & "__" & FileName TargetName = Path & uniqueFileName End If IO.File.Move(Server.MapPath("~/TempUploads/" & Session("ID") & "/" & FileName), TargetName) PicCount += 1 Row = dt.NewRow() Row(1) = accountId Row(2) = AlbumID Row(3) = URL & uniqueFileName Row(4) = "" Row(5) = "No Desc" Row(6) = "False" Row(7) = "" Row(8) = "0" Row(9) = "0" Row(10) = "True" dt.Rows.Add(Row) Next If BLL.insertImagesIntoAlbum(dt) Then lblMessage.Text = PicCount & IIf(PicCount = 1, " Picture", " Pictures") & " Saved!" lblMessage.ForeColor = Drawing.Color.Black Dim db As SqlDatabase = Connection.connection Using cmd As DbCommand = db.GetSqlStringCommand("SELECT PictureID,URL FROM AlbumPictures WHERE AlbumID=@AlbumID AND AccountID=@AccountID") db.AddInParameter(cmd, "AlbumID", Data.DbType.Int32, AlbumID) db.AddInParameter(cmd, "AccountID", Data.DbType.Int32, accountId) Using ds As DataSet = db.ExecuteDataSet(cmd) If ds.Tables(0).Rows.Count > 0 Then ListView1.DataSource = ds.Tables(0) ListView1.DataBind() Else lblMessage.Text = "No Such Album Exists." End If End Using End Using 'WebNavigator.GoToResponseRedirect(WebNavigator.URLFor.ReturnUrl("~/Memories/SortImages.aspx?id=" & AlbumID)) Else 'TODO:we'll show some error msg End If Catch ex As Exception MsgBox(ex.Message) lblMessage.Text = "Oo Poop!!" End Try End If Else WebNavigator.GoToResponseRedirect(WebNavigator.URLFor.LoginWithReturnUrl("~/Memories/CreateAlbum.aspx")) Exit Sub End If End Sub The above code works fine.I have added an Update Panel in the page to avoid post back, But when i add the button click as a trigger <Triggers> <asp:AsyncPostBackTrigger ControlID="btnSubmit" /> </Triggers> in the update panel to avoid post back, i get the following error.This happens when i add the button click as a Trigger to the update panel.

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• Analyzing Memory Usage: Java vs C++ Negligible?

  - by Anthony

  How does the memory usage of an integer object written in Java compare\contrast with the memory usage of a integer object written in C++? Is the difference negligible? No difference? A big difference? I'm guessing it's the same because an int is an int regardless of the language (?) The reason why I asked this is because I was reading about the importance of knowing when a program's memory requirements will prevent the programmer from solving a given problem. What fascinated me is the amount of memory required for creating a single Java object. Take for example, an integer object. Correct me if I'm wrong but a Java integer object requires 24 bytes of memory: 4 bytes for its int instance variable 16 bytes of overhead (reference to the object's class, garbage collection info & synchronization info) 4 bytes of padding As another example, a Java array (which is implemented as an object) requires 48+bytes: 24 bytes of header info 16 bytes of object overhead 4 bytes for length 4 bytes for padding plus the memory needed to store the values How do these memory usages compare with the same code written in C++? I used to be oblivious about the memory usage of the C++ and Java programs I wrote, but now that I'm beginning to learn about algorithms, I'm having a greater appreciation for the computer's resources.

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• Why isn't there a typeclass for functions?

  - by Steve314

  I already tried this on Reddit, but there's no sign of a response - maybe it's the wrong place, maybe I'm too impatient. Anyway... In a learning problem I've been messing around with, I realised I needed a typeclass for functions with operations for applying, composing etc. Reasons... It can be convenient to treat a representation of a function as if it were the function itself, so that applying the function implicitly uses an interpreter, and composing functions derives a new description. Once you have a typeclass for functions, you can have derived typeclasses for special kinds of functions - in my case, I want invertible functions. For example, functions that apply integer offsets could be represented by an ADT containing an integer. Applying those functions just means adding the integer. Composition is implemented by adding the wrapped integers. The inverse function has the integer negated. The identity function wraps zero. The constant function cannot be provided because there's no suitable representation for it. Of course it doesn't need to spell things as if it the values were genuine Haskell functions, but once I had the idea, I thought a library like that must already exist and maybe even using the standard spellings. But I can't find such a typeclass in the Haskell library. I found the Data.Function module, but there's no typeclass - just some common functions that are also available from the Prelude. So - why isn't there a typeclass for functions? Is it "just because there isn't" or "because it's not so useful as you think"? Or maybe there's a fundamental problem with the idea? The biggest possible problem I've thought of so far is that function application on actual functions would probably have to be special-cased by the compiler to avoid a looping problem - in order to apply this function I need to apply the function application function, and to do that I need to call the function application function, and to do that...

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• Data base structure of a subscriber list

  - by foodil

  I am building a application that allow different user to store the subscriber information To store the subscriber information , the user first create a list For each list, there is a ListID. Subscriber may have different attribute : email phone fax .... For each list, their setting is different , so a require_attribute table is introduced. It is a bridge between subscriber and List That store Listid ,subid , attribute, datatype That means the system have a lot of list, each user have their own list, and the list have different attribute, some list have email , phone , some may have phone, address, name mail.. And the datatype is different, some may use 'name' as integer , some may use 'name' as varchar attribute means email phone, it is to define for which list have which subscriber attribute datatype means for each attribute, what is its datatype Table :subscriber : Field :subid , name,email Table :Require Attribute: Field : Listid ,subid , attribute, datatype The attribute here is {name, email} So a simple data is Subscriber: 1 , MYname, Myemail Require Attribute : Listid , 1 , 'email', 'intger' Listid , 1 , 'name', 'varchar' I found that this kind of storage is too complex too handle with, Since the subscriber is share to every body, so if a person want to change the datatype of name, it will also affect the data of the other user. Simple error situation: Subscriber: list1, Subscriber 1 , name1, email1 list2, Subscriber 2 , name2 , email2 Require Attribute : List1 , Subscriber 1 , 'email', 'varchar', List1 , Subscriber 1 , 'name', 'varchar', Listid , Subscriber 2 , 'email', 'varchar', Listid , Subscriber 2, 'name', 'integer', if user B change the data type of name in require attribute from varchar to integer, it cause a problem. becasue list 1 is own by user A , he want the datatype is varchar, but list 2 is won by user B , he want the datatype to be integer So how can i redesign the structure?

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• Array Conversion in Xstream Parser

  - by Avidev9

  Hi am trying to convert the following xml into object using Xstream parser. I tried using the below code to convert the xml but am getting Duplicate field ERRORS ---- Debugging information ---- field : ERRORS class : com.avidev9.Fees.GCSFeesResponse$DebitsWSDS required-type : com.avidev9.Fees.GCSFeesResponse$DebitsWSDS converter-type : com.thoughtworks.xstream.converters.reflection.ReflectionConverter path : /DebitsWSDS/ERRORS[2] line number : 1 version : null The Code I used xstream.alias("DebitsWSDS", GCSFeesResponse.DebitsWSDS.class); xstream.alias("ERRORS", GCSFeesResponse.ERRORS.class); xstream.alias("ERROR_ID", String.class); xstream.alias("TABLE_NAME", String.class); xstream.alias("TABLE_ID", String.class); xstream.alias("ROW_ID", String.class); xstream.alias("ERROR_TEXT", String.class); xstream.alias("ERROR_CODE", String.class); xstream.alias("COLUMN_ID", String.class); xstream.alias("ERROR_TYPE", String.class); GCSFeesResponse.DebitsWSDS gcsFeesResponse =(GCSFeesResponse.DebitsWSDS)xstream.fromXML(result.get_any()[0].getAsString()); XML <DebitsWSDS xmlns=""> <DEBITS> <DEBIT_ID>-1</DEBIT_ID> <ACCOUNT_ID>12321312313</ACCOUNT_ID> <EFFECTIVE_DATE>2012-12-12T00:00:00-06:00</EFFECTIVE_DATE> <DAY_OF_MONTH>12</DAY_OF_MONTH> <DEBIT_TYPE>S</DEBIT_TYPE> <OCCURS_NUM>1</OCCURS_NUM> <DEBIT_AMOUNT>750</DEBIT_AMOUNT> <MEMO>S</MEMO> <ACTIVE_FLAG>Y</ACTIVE_FLAG> <MODIFIED_BY/> <DEBIT_AUTHORIZED/> <DEBIT_AUTHORIZED_BY/> <REMAINING_OCCURRENCES>0</REMAINING_OCCURRENCES> </DEBITS> <ERRORS> <ERROR_ID>1</ERROR_ID> <TABLE_NAME>Debits</TABLE_NAME> <TABLE_ID>-1</TABLE_ID> <ROW_ID>0</ROW_ID> <COLUMN_ID>EXCEPTION</COLUMN_ID> <ERROR_TYPE>E</ERROR_TYPE> <ERROR_CODE>4</ERROR_CODE> <ERROR_TEXT>This debit type is not allowed for this company and policy group</ERROR_TEXT> </ERRORS> <ERRORS> <ERROR_ID>2</ERROR_ID> <TABLE_NAME>Clients</TABLE_NAME> <TABLE_ID/> <ROW_ID>0</ROW_ID> <COLUMN_ID>CLOSE_SCHED_DATE</COLUMN_ID> <ERROR_TYPE>E</ERROR_TYPE> <ERROR_CODE>4</ERROR_CODE> <ERROR_TEXT>Client has been closed. Cannot Authorize Draft.</ERROR_TEXT> </ERRORS> <ERRORS> <ERROR_ID>3</ERROR_ID> <TABLE_NAME>Debits</TABLE_NAME> <TABLE_ID>-1</TABLE_ID> <ROW_ID>0</ROW_ID> <COLUMN_ID>EXCEPTION</COLUMN_ID> <ERROR_TYPE>E</ERROR_TYPE> <ERROR_CODE>4</ERROR_CODE> <ERROR_TEXT>Cannot Schedule a Debit or Draft. Client has been closed.</ERROR_TEXT> </ERRORS> <ERRORS> <ERROR_ID>1</ERROR_ID> <TABLE_NAME>Debits</TABLE_NAME> <TABLE_ID>-1</TABLE_ID> <ROW_ID>0</ROW_ID> <COLUMN_ID>ACTIVE_FLAG</COLUMN_ID> <ERROR_TYPE>W</ERROR_TYPE> <ERROR_CODE>4</ERROR_CODE> <ERROR_TEXT>Creating debit on inactive Client account.</ERROR_TEXT> </ERRORS> </DebitsWSDS> My class structure. package com.avidev9.Fees; import java.util.List; public class GCSFeesResponse { public DebitsWSDS DebitsWSDS; public class DebitsWSDS { public List<ERRORS> ERRORS; public String xmlns; public DEBITS DEBITS; } public class ERRORS { public String TABLE_NAME; public Integer TABLE_ID; public Integer ERROR_ID; public Integer ROW_ID; public String ERROR_TEXT; public Integer ERROR_CODE; public String COLUMN_ID; public String ERROR_TYPE; } public class DEBITS { public String EFFECTIVE_DATE; public String ACTIVE_FLAG; public Long ACCOUNT_ID; public String DEBIT_AUTHORIZED_BY; public Integer DAY_OF_MONTH; public Integer DEBIT_ID; public String MEMO; public Integer REMAINING_OCCURRENCES; public String DEBIT_TYPE; public Integer OCCURS_NUM; public Integer DEBIT_AMOUNT; public String DEBIT_AUTHORIZED; public String MODIFIED_BY; } }

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• Short Season, Long Models - Dealing with Seasonality

  - by Michel Adar

  Accounting for seasonality presents a challenge for the accurate prediction of events. Examples of seasonality include: ·         Boxed cosmetics sets are more popular during Christmas. They sell at other times of the year, but they rise higher than other products during the holiday season. ·         Interest in a promotion rises around the time advertising on TV airs ·         Interest in the Sports section of a newspaper rises when there is a big football match There are several ways of dealing with seasonality in predictions. Time Windows If the length of the model time windows is short enough relative to the seasonality effect, then the models will see only seasonal data, and therefore will be accurate in their predictions. For example, a model with a weekly time window may be quick enough to adapt during the holiday season. In order for time windows to be useful in dealing with seasonality it is necessary that: The time window is significantly shorter than the season changes There is enough volume of data in the short time windows to produce an accurate model An additional issue to consider is that sometimes the season may have an abrupt end, for example the day after Christmas. Input Data If available, it is possible to include the seasonality effect in the input data for the model. For example the customer record may include a list of all the promotions advertised in the area of residence. A model with these inputs will have to learn the effect of the input. It is possible to learn it specific to the promotion – and by the way learn about inter-promotion cross feeding – by leaving the list of ads as it is; or it is possible to learn the general effect by having a flag that indicates if the promotion is being advertised. For inputs to properly represent the effect in the model it is necessary that: The model sees enough events with the input present. For example, by virtue of the model lifetime (or time window) being long enough to see several “seasons” or by having enough volume for the model to learn seasonality quickly. Proportional Frequency If we create a model that ignores seasonality it is possible to use that model to predict how the specific person likelihood differs from average. If we have a divergence from average then we can transfer that divergence proportionally to the observed frequency at the time of the prediction. Definitions: Ft = trailing average frequency of the event at time “t”. The average is done over a suitable period of to achieve a statistical significant estimate. F = average frequency as seen by the model. L = likelihood predicted by the model for a specific person Lt = predicted likelihood proportionally scaled for time “t”. If the model is good at predicting deviation from average, and this holds over the interesting range of seasons, then we can estimate Lt as: Lt = L * (Ft / F) Considering that: L = (L – F) + F Substituting we get: Lt = [(L – F) + F] * (Ft / F) Which simplifies to: (i)                  Lt = (L – F) * (Ft / F)  +  Ft This latest expression can be understood as “The adjusted likelihood at time t is the average likelihood at time t plus the effect from the model, which is calculated as the difference from average time the proportion of frequencies”. The formula above assumes a linear translation of the proportion. It is possible to generalize the formula using a factor which we will call “a” as follows: (ii)                Lt = (L – F) * (Ft / F) * a  +  Ft It is also possible to use a formula that does not scale the difference, like: (iii)               Lt = (L – F) * a  +  Ft While these formulas seem reasonable, they should be taken as hypothesis to be proven with empirical data. A theoretical analysis provides the following insights: The Cumulative Gains Chart (lift) should stay the same, as at any given time the order of the likelihood for different customers is preserved If F is equal to Ft then the formula reverts to “L” If (Ft = 0) then Lt in (i) and (ii) is 0 It is possible for Lt to be above 1. If it is desired to avoid going over 1, for relatively high base frequencies it is possible to use a relative interpretation of the multiplicative factor. For example, if we say that Y is twice as likely as X, then we can interpret this sentence as: If X is 3%, then Y is 6% If X is 11%, then Y is 22% If X is 70%, then Y is 85% - in this case we interpret “twice as likely” as “half as likely to not happen” Applying this reasoning to (i) for example we would get: If (L < F) or (Ft < (1 / ((L/F) + 1)) Then  Lt = L * (Ft / F) Else Lt = 1 – (F / L) + (Ft * F / L)  

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• Consumer Electronics Show (CES) Summit:Best Practices in Transforming Channels and Partnerships

  - by charles.knapp

  Expanding consumer demand is driving the entire high technology industry, accompanied by product lifecycles as short as a few months, continued pricing and promotion pressures, and increased globalization. Unifying global channel management, operations, and execution flow will increase efficiency and growth. IT can help, but one must think beyond generic ERP and CRM. Please join Oracle and IBM at the Bellagio Hotel in Las Vegas, Wednesday January 5, 1-7 pm. Learn from IBM, VTech, Plantronics, Cisco, Symantec and Oracle High Tech Product Strategy how to improve:Channel sales, marketing, and operations management - enhance NPI, sales, forecasts, training, promotion planning, execution and settlement Winning the deal - determining the right price for the right deal for the "perfect quote", capturing the order and order management Collaborative and rapid supply chain planning - improve agility, inventory turns, and profits Register now for this FREE event. We hope you'll join us for our Oracle High Technology CES Summit and networking reception with your peers.

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• Friday Fun - Conference Videos from JavaZone & others

  - by alexismp

  Trailers or promotion videos can be very effective when done right and the Java community has been pretty good at it IMO. The latest ones are short teasers coming from the JavaBin folks to promote their very fine JavaZone conference in Oslo, Norway in September (celebrating their 10th anniversary). Update: the entire trailer is now available. Previous videos include Lady java and Java 4 Ever (must see if you somehow missed them). The inspiration for these may have come from the JavaPolis (now Devoxx) 2006 "There are better ways to meet your idols" trailer. IIRC, James Gosling was quoted saying "This is sick, I love it!". Your mileage may vary ;) Sun Microsystems also used to make some "promotion" videos. Here's a selection.

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• Should I use nodindex, follow or rel canonical?

  - by webmasters

  I have a site that lists offers, promotions from other websites. Since the offers expire rather quickly I don't save them into my database. I see no point in having a page from 2010 about 30% discount on a certain brand of shoes which isn't availabe anymore. A visitor enters my website; He clicks on the "shoes" category; http://www.mysite.com/shoes/ Here he sees 20 available promotions from different online stores. He clicks on a promotion and gets to a page like this: http://www.mysite.com/shoes/promotions/prada Questions: I use the template promotions.php and list all the promotions. /promotions/prada/ /promotions/otherbrand/ .... What I do is use "noindex, follow" for the links. Is that a good idea? Or should I use rel="canonical" for the promotion page? How do you advise me to handle this from the SEO point of view?

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• Ikoula : 500 serveurs virtuels dédiés offerts, disponibles sur deux configurations et incluent MySQL et SQLServer

  Ikoula : 500 serveurs virtuels dédiés offerts Disponibles sur deux configurations et incluent MySQL et SQLServer Ikoula, leader du Cloud Computing en France propose une promotion limitée sur son offre de serveurs virtuels dédiés. 500 Flex'Servers sont en effet offerts aux premiers inscrits à cette promotion valable jusqu'au 31 janvier prochain, et ce durant 3 mois et sans engagement de durée. [IMG]http://idelways.developpez.com/news/images/flex_image.gif[/IMG] Construits sur une architecture haut de gamme (Dell, Cisco, ...) robuste et performante, les Flex'Servers de iKoula s'adaptent potentiellement à tous les besoins. Le nombre de pro...

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• Does having over 80% dynamic and rapidly changing content affect SEO?

  - by webmasters

  I have a website that pulls promotions of products from other website. My index page has a structure similar to this: My Brand - Best Promotions Looking for great deals? Check out our top promotions A menu - listing the promotions categories 20 of the latest promotions (the best ones): I list an image; Promotion description (200 chars); Link to the promotion page. Question: More then 80% of my index page (maybe even 90%) is composed of the 20 promotions I list; these promotions change on a daily bases - which dramatically changes the content of my index page. Does the dynamic changing of the index page affect SEO? Should I try to add more static text where I can? (which won't change) Ty

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• Help with Java Program for Prime numbers

  - by Ben

  Hello everyone, I was wondering if you can help me with this program. I have been struggling with it for hours and have just trashed my code because the TA doesn't like how I executed it. I am completely hopeless and if anyone can help me out step by step, I would greatly appreciate it. In this project you will write a Java program that reads a positive integer n from standard input, then prints out the first n prime numbers. We say that an integer m is divisible by a non-zero integer d if there exists an integer k such that m = k d , i.e. if d divides evenly into m. Equivalently, m is divisible by d if the remainder of m upon (integer) division by d is zero. We would also express this by saying that d is a divisor of m. A positive integer p is called prime if its only positive divisors are 1 and p. The one exception to this rule is the number 1 itself, which is considered to be non-prime. A positive integer that is not prime is called composite. Euclid showed that there are infinitely many prime numbers. The prime and composite sequences begin as follows: Primes: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, … Composites: 1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, … There are many ways to test a number for primality, but perhaps the simplest is to simply do trial divisions. Begin by dividing m by 2, and if it divides evenly, then m is not prime. Otherwise, divide by 3, then 4, then 5, etc. If at any point m is found to be divisible by a number d in the range 2 d m-1, then halt, and conclude that m is composite. Otherwise, conclude that m is prime. A moment’s thought shows that one need not do any trial divisions by numbers d which are themselves composite. For instance, if a trial division by 2 fails (i.e. has non-zero remainder, so m is odd), then a trial division by 4, 6, or 8, or any even number, must also fail. Thus to test a number m for primality, one need only do trial divisions by prime numbers less than m. Furthermore, it is not necessary to go all the way up to m-1. One need only do trial divisions of m by primes p in the range 2 p m . To see this, suppose m 1 is composite. Then there exist positive integers a and b such that 1 < a < m, 1 < b < m, and m = ab . But if both a m and b m , then ab m, contradicting that m = ab . Hence one of a or b must be less than or equal to m . To implement this process in java you will write a function called isPrime() with the following signature: static boolean isPrime(int m, int[] P) This function will return true or false according to whether m is prime or composite. The array argument P will contain a sufficient number of primes to do the testing. Specifically, at the time isPrime() is called, array P must contain (at least) all primes p in the range 2 p m . For instance, to test m = 53 for primality, one must do successive trial divisions by 2, 3, 5, and 7. We go no further since 11 53 . Thus a precondition for the function call isPrime(53, P) is that P[0] = 2 , P[1] = 3 , P[2] = 5, and P[3] = 7 . The return value in this case would be true since all these divisions fail. Similarly to test m =143 , one must do trial divisions by 2, 3, 5, 7, and 11 (since 13 143 ). The precondition for the function call isPrime(143, P) is therefore P[0] = 2 , P[1] = 3 , P[2] = 5, P[3] = 7 , and P[4] =11. The return value in this case would be false since 11 divides 143. Function isPrime() should contain a loop that steps through array P, doing trial divisions. This loop should terminate when 2 either a trial division succeeds, in which case false is returned, or until the next prime in P is greater than m , in which case true is returned. Function main() in this project will read the command line argument n, allocate an int array of length n, fill the array with primes, then print the contents of the array to stdout according to the format described below. In the context of function main(), we will refer to this array as Primes[]. Thus array Primes[] plays a dual role in this project. On the one hand, it is used to collect, store, and print the output data. On the other hand, it is passed to function isPrime() to test new integers for primality. Whenever isPrime() returns true, the newly discovered prime will be placed at the appropriate position in array Primes[]. This process works since, as explained above, the primes needed to test an integer m range only up to m , and all of these primes (and more) will already be stored in array Primes[] when m is tested. Of course it will be necessary to initialize Primes[0] = 2 manually, then proceed to test 3, 4, … for primality using function isPrime(). The following is an outline of the steps to be performed in function main(). • Check that the user supplied exactly one command line argument which can be interpreted as a positive integer n. If the command line argument is not a single positive integer, your program will print a usage message as specified in the examples below, then exit. • Allocate array Primes[] of length n and initialize Primes[0] = 2 . • Enter a loop which will discover subsequent primes and store them as Primes[1] , Primes[2], Primes[3] , ……, Primes[n -1] . This loop should contain an inner loop which walks through successive integers and tests them for primality by calling function isPrime() with appropriate arguments. • Print the contents of array Primes[] to stdout, 10 to a line separated by single spaces. In other words Primes[0] through Primes[9] will go on line 1, Primes[10] though Primes[19] will go on line 2, and so on. Note that if n is not a multiple of 10, then the last line of output will contain fewer than 10 primes. Your program, which will be called Prime.java, will produce output identical to that of the sample runs below. (As usual % signifies the unix prompt.) % java Prime Usage: java Prime [PositiveInteger] % java Prime xyz Usage: java Prime [PositiveInteger] % java Prime 10 20 Usage: java Prime [PositiveInteger] % java Prime 75 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157 163 167 173 179 181 191 193 197 199 211 223 227 229 233 239 241 251 257 263 269 271 277 281 283 293 307 311 313 317 331 337 347 349 353 359 367 373 379 % 3 As you can see, inappropriate command line argument(s) generate a usage message which is similar to that of many unix commands. (Try doing the more command with no arguments to see such a message.) Your program will include a function called Usage() having signature static void Usage() that prints this message to stderr, then exits. Thus your program will contain three functions in all: main(), isPrime(), and Usage(). Each should be preceded by a comment block giving it’s name, a short description of it’s operation, and any necessary preconditions (such as those for isPrime().) See examples on the webpage.

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• Code for Waterglen Horse Farms application? [migrated]

  - by user73459

  I am having trouble with the solution to the Waterglens Horse Farms application in the Visual Basic 2010 Reloaded book. The problem reads: Each year Sabrina Cantrell, owner of waterglen horse farms enters four of her horses in five local horse races. She uses the table shown below to keep track of her horses in 5 local races. in the table , a 1 shows that the horse won a race, a 2 shows 2nd place, a 3 is 3rd place , and a 0 the horse didn't finish in the top 3. More details in these 2 images: http://imgur.com/a/YTNEX Here is what I have tried so far: Dim racescores(,) As Integer = {{0, 1, 0, 3, 2}, {1, 0, 2, 0, 0}, {0, 3, 0, 1, 0}, {3, 2, 1, 0, 0}} Dim subscript As Integer = 0 Dim noplace As Integer = 0 If horse1RadioButton.Checked Then Do While subscript < racescores(3, 4) If racescores(0, subscript) = 0 Then noplace = noplace + 1 End If subscript = subscript + 1 Loop noPlaceDisplayLabel.Text = noplace End If

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• Should I just always Convert.ToInt32 my integers to account for potential nullable integers?

  - by Rowan Freeman

  If my MSSQL database contains a data type that is NULL (i.e. null is allowed) then ORMs, such as EntityFramework in my case, create .NET objects that are nullable. This is great, and the way I use nullables is like this: C# int? someInt = 5; int newInt = someInt.Value; // woot VB.NET Dim someInt As Integer? Dim newInt As Integer = someInt.Value ' hooray However, recently I had to make a change to the database to make an Id field no longer NULL (nullable). This means that .Value is now broken. This is a nuisance if the Id property is used a lot. One solution that I thought of is to just use Convert.ToInt32 on Id fields so it doesn't matter if an int is nullable or not. C# int newInt = Convert.ToInt32(someInt); // always compiles VB.NET Dim newInt As Integer = Convert.ToInt32(someInt) ' always compiles Is this a bad approach and are there any alternatives?

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• Processing Text and Binary (Blob, ArrayBuffer, ArrayBufferView) Payload in WebSocket - (TOTD #185)

  - by arungupta

  The WebSocket API defines different send(xxx) methods that can be used to send text and binary data. This Tip Of The Day (TOTD) will show how to send and receive text and binary data using WebSocket. TOTD #183 explains how to get started with a WebSocket endpoint using GlassFish 4. A simple endpoint from that blog looks like: @WebSocketEndpoint("/endpoint") public class MyEndpoint { public void receiveTextMessage(String message) { . . . } } A message with the first parameter of the type String is invoked when a text payload is received. The payload of the incoming WebSocket frame is mapped to this first parameter. An optional second parameter, Session, can be specified to map to the "other end" of this conversation. For example: public void receiveTextMessage(String message, Session session) {     . . . } The return type is void and that means no response is returned to the client that invoked this endpoint. A response may be returned to the client in two different ways. First, set the return type to the expected type, such as: public String receiveTextMessage(String message) { String response = . . . . . . return response; } In this case a text payload is returned back to the invoking endpoint. The second way to send a response back is to use the mapped session to send response using one of the sendXXX methods in Session, when and if needed. public void receiveTextMessage(String message, Session session) {     . . .     RemoteEndpoint remote = session.getRemote();     remote.sendString(...);     . . .     remote.sendString(...);    . . .    remote.sendString(...); } This shows how duplex and asynchronous communication between the two endpoints can be achieved. This can be used to define different message exchange patterns between the client and server. The WebSocket client can send the message as: websocket.send(myTextField.value); where myTextField is a text field in the web page. Binary payload in the incoming WebSocket frame can be received if ByteBuffer is used as the first parameter of the method signature. The endpoint method signature in that case would look like: public void receiveBinaryMessage(ByteBuffer message) {     . . . } From the client side, the binary data can be sent using Blob, ArrayBuffer, and ArrayBufferView. Blob is a just raw data and the actual interpretation is left to the application. ArrayBuffer and ArrayBufferView are defined in the TypedArray specification and are designed to send binary data using WebSocket. In short, ArrayBuffer is a fixed-length binary buffer with no format and no mechanism for accessing its contents. These buffers are manipulated using one of the views defined by one of the subclasses of ArrayBufferView listed below: Int8Array (signed 8-bit integer or char) Uint8Array (unsigned 8-bit integer or unsigned char) Int16Array (signed 16-bit integer or short) Uint16Array (unsigned 16-bit integer or unsigned short) Int32Array (signed 32-bit integer or int) Uint32Array (unsigned 16-bit integer or unsigned int) Float32Array (signed 32-bit float or float) Float64Array (signed 64-bit float or double) WebSocket can send binary data using ArrayBuffer with a view defined by a subclass of ArrayBufferView or a subclass of ArrayBufferView itself. The WebSocket client can send the message using Blob as: blob = new Blob([myField2.value]);websocket.send(blob); where myField2 is a text field in the web page. The WebSocket client can send the message using ArrayBuffer as: var buffer = new ArrayBuffer(10);var bytes = new Uint8Array(buffer);for (var i=0; i<bytes.length; i++) { bytes[i] = i;}websocket.send(buffer); A concrete implementation of receiving the binary message may look like: @WebSocketMessagepublic void echoBinary(ByteBuffer data, Session session) throws IOException {    System.out.println("echoBinary: " + data);    for (byte b : data.array()) {        System.out.print(b);    }    session.getRemote().sendBytes(data);} This method is just printing the binary data for verification but you may actually be storing it in a database or converting to an image or something more meaningful. Be aware of TYRUS-51 if you are trying to send binary data from server to client using method return type. Here are some references for you: JSR 356: Java API for WebSocket - Specification (Early Draft) and Implementation (already integrated in GlassFish 4 promoted builds) TOTD #183 - Getting Started with WebSocket in GlassFish TOTD #184 - Logging WebSocket Frames using Chrome Developer Tools, Net-internals and Wireshark Subsequent blogs will discuss the following topics (not necessary in that order) ... Error handling Custom payloads using encoder/decoder Interface-driven WebSocket endpoint Java client API Client and Server configuration Security Subprotocols Extensions Other topics from the API

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• Viewing the NetBeans Central Registry (Part 2)

  - by Geertjan

  Jens Hofschröer, who has one of the very best NetBeans Platform blogs (if you more or less understand German), and who wrote, sometime ago, the initial version of the Import Statement Organizer, as well as being the main developer of a great gear design & manufacturing tool on the NetBeans Platform in Aachen, commented on my recent blog entry "Viewing the NetBeans Central Registry", where the root Node of the Central Registry is shown in a BeanTreeView, with the words: "I wrapped that Node in a FilterNode to provide the 'position' attribute and the 'file extension'. All Children are wrapped too. Then I used an OutlineView to show these two properties. Great tool to find wrong layer entries." I asked him for the code he describes above and he sent it to me. He discussed it here in his blog, while all the code involved can be read below. The result is as follows, where you can see that the OutlineView shows information that my simple implementation (via a BeanTreeView) kept hidden: And so here is the definition of the Node. class LayerPropertiesNode extends FilterNode { public LayerPropertiesNode(Node node) { super(node, isFolder(node) ? Children.create(new LayerPropertiesFactory(node), true) : Children.LEAF); } private static boolean isFolder(Node node) { return null != node.getLookup().lookup(DataFolder.class); } @Override public String getDisplayName() { return getLookup().lookup(FileObject.class).getName(); } @Override public Image getIcon(int type) { FileObject fo = getLookup().lookup(FileObject.class); try { DataObject data = DataObject.find(fo); return data.getNodeDelegate().getIcon(type); } catch (DataObjectNotFoundException ex) { Exceptions.printStackTrace(ex); } return super.getIcon(type); } @Override public Image getOpenedIcon(int type) { return getIcon(type); } @Override public PropertySet[] getPropertySets() { Set set = Sheet.createPropertiesSet(); set.put(new PropertySupport.ReadOnly<Integer>( "position", Integer.class, "Position", null) { @Override public Integer getValue() throws IllegalAccessException, InvocationTargetException { FileObject fileEntry = getLookup().lookup(FileObject.class); Integer posValue = (Integer) fileEntry.getAttribute("position"); return posValue != null ? posValue : Integer.valueOf(0); } }); set.put(new PropertySupport.ReadOnly<String>( "ext", String.class, "Extension", null) { @Override public String getValue() throws IllegalAccessException, InvocationTargetException { FileObject fileEntry = getLookup().lookup(FileObject.class); return fileEntry.getExt(); } }); PropertySet[] original = super.getPropertySets(); PropertySet[] withLayer = new PropertySet[original.length + 1]; System.arraycopy(original, 0, withLayer, 0, original.length); withLayer[withLayer.length - 1] = set; return withLayer; } private static class LayerPropertiesFactory extends ChildFactory<FileObject> { private final Node context; public LayerPropertiesFactory(Node context) { this.context = context; } @Override protected boolean createKeys(List<FileObject> list) { FileObject folder = context.getLookup().lookup(FileObject.class); FileObject[] children = folder.getChildren(); List<FileObject> ordered = FileUtil.getOrder(Arrays.asList(children), false); list.addAll(ordered); return true; } @Override protected Node createNodeForKey(FileObject key) { AbstractNode node = new AbstractNode(org.openide.nodes.Children.LEAF, key.isFolder() ? Lookups.fixed(key, DataFolder.findFolder(key)) : Lookups.singleton(key)); return new LayerPropertiesNode(node); } } } Then here is the definition of the Action, which pops up a JPanel, displaying an OutlineView: @ActionID(category = "Tools", id = "de.nigjo.nb.layerview.LayerViewAction") @ActionRegistration(displayName = "#CTL_LayerViewAction") @ActionReferences({ @ActionReference(path = "Menu/Tools", position = 1450, separatorBefore = 1425) }) @Messages("CTL_LayerViewAction=Display XML Layer") public final class LayerViewAction implements ActionListener { @Override public void actionPerformed(ActionEvent e) { try { Node node = DataObject.find(FileUtil.getConfigRoot()).getNodeDelegate(); node = new LayerPropertiesNode(node); node = new FilterNode(node) { @Override public Component getCustomizer() { LayerView view = new LayerView(); view.getExplorerManager().setRootContext(this); return view; } @Override public boolean hasCustomizer() { return true; } }; NodeOperation.getDefault().customize(node); } catch (DataObjectNotFoundException ex) { Exceptions.printStackTrace(ex); } } private static class LayerView extends JPanel implements ExplorerManager.Provider { private final ExplorerManager em; public LayerView() { super(new BorderLayout()); em = new ExplorerManager(); OutlineView view = new OutlineView("entry"); view.addPropertyColumn("position", "Position"); view.addPropertyColumn("ext", "Extension"); add(view); } @Override public ExplorerManager getExplorerManager() { return em; } } }

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• Ruby complex validation

  - by pcasa

  Have a product that belongs to a category. Want to create a promotion for a short period of time (lets say a week or two), but their can be only one promotion per category during that time. How can I create a custom validation for this? product class belongs_to :categories name:string desc:text reg_price:decimal category_id:integer promo_active:boolean promo_price:decimal promo_start:datetime promo_end:datetime end category class has_many :products name:string end

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• How to get portion of the attribute value using jquery

  - by Rachel

  I have attribute value as: <div id = "zone-3a-2f-2f-2fPortal-2fPages-2fHome-2fZones-2fLeft-2f-7ccomponent-3a-2f-2f-2fSpm-2fComponents-2fPromotion-2f" class = "promotion"> Now I want to get only portion of it, say Promotion and its value 2f, how can I get this using jquery ? Do we have built in function for it ?

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