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• Disable error_log. Error_log flooding

  - by user36646

  Hello, i got an webserver running and old version of gambio (xt:commerce fork). The error_log in the dir over the public_html is flooding with errors. About 30mb in 15min. How can I disable this log? I can't fix all the errors. Here are a few examples of the errors: [warn] mod_fcgid: stderr: PHP Notice: Undefined variable: key in /usr/www/users/foo//includes/classes/class.inputfilter.php on line 98 [warn] mod_fcgid: stderr: PHP Notice: Undefined index: in /usr/www/users/foo/templ [warn] mod_fcgid: stderr: in /usr/www/users/foo/templates/gambio/source/inc/xtc_show_category_sectionc.inc.php on line 47 They are all errors of: "mod_fcgid: stderr". I tried to grep "error_log" and "error_report" in the public html dir, but i did not find anything. Here is a part from the phpinfo(): PHP Version 4.4.9 System Linux foobar.com 2.6.26-2-686-bigmem #1 SMP Sat Dec 26 09:26:36 UTC 2009 i686 Build Date Feb 11 2010 13:00:33 Configure Command './configure' '--prefix=/usr/local/php4' '--with-config-file-path=/etc/php4/cgi' '--with-gd' '--with-jpeg-dir' '--with-png-dir' '--with-tiff-dir' '--with-ttf' '--enable-force-cgi-redirect' '--enable-safe-mode' '--with-zlib' '--enable-ftp' '--enable-url-includes' '--enable-gd-native-ttf' '--enable-trans-sid' '--enable-dbase' '--with-db4' '--with-ldap' '--enable-bcmath' '--enable-calendar' '--enable-memory-limit' '--with-mcal=/usr' '--with-bz2' '--with-mod-dav' '--enable-sockets' '--with-kerberos' '--with-imap-ssl' '--enable-gd-imgstrttf' '--with-freetype-dir' '--with-curl' '--with-mysql' '--with-mhash' '--with-gdbm' '--with-pgsql' '--with-gettext' '--with-xml' '--with-mcrypt' '--with-openssl' '--with-dom' '--without-pear' '--enable-exif' '--with-zip' '--enable-wddx' '--disable-cli' '--enable-fastcgi' '--with-imap' '--enable-xslt' '--with-xslt-sablot=/usr/local/lib' '--enable-mbstring' '--with-dom-xslt' '--with-dom-exslt' Server API CGI/FastCGI Virtual Directory Support disabled Configuration File (php.ini) Path /home/httpd/php-ini/foo/php.ini PHP API 20020918 PHP Extension 20020429 Zend Extension 20050606 Debug Build no Zend Memory Manager enabled Thread Safety disabled Registered PHP Streams php, http, ftp, https, ftps, compress.bzip2, compress.zlib **Configuration PHP Core** Directive Local Value Master Value allow_call_time_pass_reference On On allow_url_fopen Off Off always_populate_raw_post_data Off Off arg_separator.input & & arg_separator.output & & asp_tags Off Off auto_append_file no value no value auto_prepend_file no value no value browscap no value no value default_charset no value no value default_mimetype text/html text/html define_syslog_variables Off Off disable_classes no value no value disable_functions no value no value display_errors On On display_startup_errors Off Off doc_root no value no value docref_ext no value no value docref_root no value no value enable_dl On On error_append_string no value no value error_log no value no value error_prepend_string no value no value error_reporting 2039 2039 expose_php On On extension_dir /usr/local/php4/lib/php/extensions/no-debug-non-zts-20020429 /usr/local/php4/lib/php/extensions/no-debug-non-zts-20020429 file_uploads On On gpc_order GPC GPC highlight.bg #FFFFFF #FFFFFF highlight.comment #FF8000 #FF8000 highlight.default #0000BB #0000BB highlight.html #000000 #000000 highlight.keyword #007700 #007700 highlight.string #DD0000 #DD0000 html_errors On On ignore_repeated_errors Off Off ignore_repeated_source Off Off ignore_user_abort Off Off implicit_flush Off Off include_path .:/usr/local/lib/php/ .:/usr/local/lib/php/ log_errors Off Off log_errors_max_len 1024 1024 magic_quotes_gpc On On magic_quotes_runtime Off Off magic_quotes_sybase Off Off max_execution_time 120 120 max_input_nesting_level 500 500 max_input_time -1 -1 memory_limit 128000000 128000000 open_basedir /usr/www/users/foo:/usr/home/foo:/tmp:/usr/local/lib/php:/usr/local/rmagic:/usr/www/users/he/_system_ /usr/www/users/foo:/usr/home/foo:/tmp:/usr/local/lib/php:/usr/local/rmagic:/usr/www/users/he/_system_ output_buffering no value no value output_handler no value no value post_max_size 128000000 128000000 precision 14 14 register_argc_argv On On register_globals Off Off report_memleaks On On safe_mode Off Off safe_mode_exec_dir no value no value safe_mode_gid Off Off safe_mode_include_dir no value no value sendmail_from no value no value sendmail_path /usr/sbin/sendmail -t /usr/sbin/sendmail -t serialize_precision 100 100 short_open_tag On On SMTP localhost localhost smtp_port 25 25 sql.safe_mode Off Off track_errors Off Off unserialize_callback_func no value no value upload_max_filesize 128000000 128000000 upload_tmp_dir /usr/foo/foo/.tmp /usr/foo/.tmp user_dir no value no value variables_order EGPCS EGPCS xmlrpc_error_number 0 0 xmlrpc_errors Off Off y2k_compliance Off Off

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• While installing updates I get "Package operation Failed" for ubuntu 12.04

  - by user54395

  i get the following response in the details:- Please help nstallArchives() failed: perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_IN.ISO8859-1" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_IN.ISO8859-1" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_IN.ISO8859-1" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_IN.ISO8859-1" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory (Reading database ... (Reading database ... 5%% (Reading database ... 10%% (Reading database ... 15%% (Reading database ... 20%% (Reading database ... 25%% (Reading database ... 30%% (Reading database ... 35%% (Reading database ... 40%% (Reading database ... 45%% (Reading database ... 50%% (Reading database ... 55%% (Reading database ... 60%% (Reading database ... 65%% (Reading database ... 70%% (Reading database ... 75%% (Reading database ... 80%% (Reading database ... 85%% (Reading database ... 90%% (Reading database ... 95%% (Reading database ... 100%% (Reading database ... 427340 files and directories currently installed.) Preparing to replace thunderbird-trunk-globalmenu 14.0~a1~hg20120409r9862.91177-0ubuntu1~umd1 (using .../thunderbird-trunk-globalmenu_14.0~a1~hg20120409r9866.91235-0ubuntu1~umd1_i386.deb) ... Unpacking replacement thunderbird-trunk-globalmenu ... Preparing to replace thunderbird-trunk 14.0~a1~hg20120409r9862.91177-0ubuntu1~umd1 (using .../thunderbird-trunk_14.0~a1~hg20120409r9866.91235-0ubuntu1~umd1_i386.deb) ... Unpacking replacement thunderbird-trunk ... Processing triggers for man-db ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf.index... Processing triggers for gnome-menus ... Processing triggers for desktop-file-utils ... Setting up crossplatformui (1.0.27) ... Rather than invoking init scripts through /etc/init.d, use the service(8) utility, e.g. service acpid restart Since the script you are attempting to invoke has been converted to an Upstart job, you may also use the stop(8) and then start(8) utilities, e.g. stop acpid ; start acpid. The restart(8) utility is also available. acpid stop/waiting acpid start/running, process 5286 package libqtgui4 exist QT_VERSION = 4 make -C /lib/modules/3.2.0-22-generic/build M=/usr/local/bin/ztemtApp/zteusbserial/below2.6.27 modules make[1]: Entering directory /usr/src/linux-headers-3.2.0-22-generic' CC [M] /usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.o /usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.c:34:28: fatal error: linux/smp_lock.h: No such file or directory compilation terminated. make[2]: *** [/usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.o] Error 1 make[1]: *** [_module_/usr/local/bin/ztemtApp/zteusbserial/below2.6.27] Error 2 make[1]: Leaving directory/usr/src/linux-headers-3.2.0-22-generic' make: * [modules] Error 2 dpkg: error processing crossplatformui (--configure): subprocess installed post-installation script returned error exit status 2 No apport report written because MaxReports is reached already Setting up thunderbird-trunk (14.0~a1~hg20120409r9866.91235-0ubuntu1~umd1) ... Setting up thunderbird-trunk-globalmenu (14.0~a1~hg20120409r9866.91235-0ubuntu1~umd1) ... Errors were encountered while processing: crossplatformui Error in function: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1) Setting up crossplatformui (1.0.27) ... Rather than invoking init scripts through /etc/init.d, use the service(8) utility, e.g. service acpid restart Since the script you are attempting to invoke has been converted to an Upstart job, you may also use the stop(8) and then start(8) utilities, e.g. stop acpid ; start acpid. The restart(8) utility is also available. acpid stop/waiting acpid start/running, process 5541 package libqtgui4 exist QT_VERSION = 4 make -C /lib/modules/3.2.0-22-generic/build M=/usr/local/bin/ztemtApp/zteusbserial/below2.6.27 modules make[1]: Entering directory /usr/src/linux-headers-3.2.0-22-generic' CC [M] /usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.o /usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.c:34:28: fatal error: linux/smp_lock.h: No such file or directory compilation terminated. make[2]: *** [/usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.o] Error 1 make[1]: *** [_module_/usr/local/bin/ztemtApp/zteusbserial/below2.6.27] Error 2 make[1]: Leaving directory/usr/src/linux-headers-3.2.0-22-generic' make: * [modules] Error 2 dpkg: error processing crossplatformui (--configure): subprocess installed post-installation script returned error exit status 2

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• Why doesn't Wolfram Workbench work on 64-bit Ubuntu?

  - by Ian Hincks

  I have downloaded the shell script (Workbench_2.0.0_LINUX.sh), I have run it as root with it giving no complaints, relevant looking files have appeared in /usr/local/Wolfram/WolframWorkbench/2.0/ and it has created the executable "WolframWorkbench" in /usr/local/bin. However, when I run WolframWorkbench from terminal it spits out /usr/local/bin/WolframWorkbench: 46: exec: /usr/local/Wolfram/WolframWorkbench/2.0/WolframWorkbench: not found That file does indeed exist, and is executable. I have also tried running it directly, and I have also tried running the /usr/local/Wolfram/WolframWorkbench/2.0/Executables/WolframWorkbench too. Is there something I'm missing? (I am running Ubuntu 12.04 64bit with openjdk7)

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• How do I allow mysqld to use more than 24.9% of my cpu?

  - by Joseph Yancey

  I have a Web server running on RHEL that is running Apache and MySQL. It has a Quad core 3.2Ghz Xeon CPU and 8 Gigs of RAM Most of the time, we don't have any issues at all. Our web application is very database intensive. When our usage gets pretty heavy MySQL will peg out at using 24.9% of the cpu. Most of the time, it hangs around below 5%. I have speculated that it is only using one core of the CPU and it is pegging out that core but TOP shows me in the cpu column that mysqld changes cores even while the usage stays at 24.9%. When it does this MySQL gets painfully slow as it is queuing up queries Is there some magic configuration that will tell mysql to use more cpu when it needs to? Also, any other advice on my configuration would be helpful. We run two applications on this server. One that runs Innodb but doesn't get much usage (it has been replaced by the other app), and one that runs MyIsam and gets lots of use. Overall, our whole mysql data directory is something like 13Gigs if that matters at all. Here is my config: [root@ProductionLinux root]# cat /etc/my.cnf [mysqld] server-id = 71 log-bin = /var/log/mysql/mysql-bin.log binlog-do-db = oldapplication binlog-do-db = newapplication binlog-do-db = support thread_cache_size = 30 key_buffer_size = 256M table_cache = 256 sort_buffer_size = 4M read_buffer_size = 1M skip-name-resolve innodb_data_home_dir = /usr/local/mysql/data/ innodb_data_file_path = InnoDB:100M:autoextend set-variable = innodb_buffer_pool_size=70M set-variable = innodb_additional_mem_pool_size=10M set-variable = max_connections=500 innodb_log_group_home_dir = /usr/local/mysql/data innodb_log_arch_dir = /usr/local/mysql/data set-variable = innodb_log_file_size=20M set-variable = innodb_log_buffer_size=8M innodb_flush_log_at_trx_commit = 1 log-queries-not-using-indexes log-error = /var/log/mysql/mysql-error.log mysql show variables; +---------------------------------+-----------------------------------------------------------------------------+ | Variable_name | Value | +---------------------------------+-----------------------------------------------------------------------------+ | auto_increment_increment | 1 | | auto_increment_offset | 1 | | automatic_sp_privileges | ON | | back_log | 50 | | basedir | /usr/local/mysql-standard-5.0.18-linux-x86_64-glibc23/ | | binlog_cache_size | 32768 | | bulk_insert_buffer_size | 8388608 | | character_set_client | latin1 | | character_set_connection | latin1 | | character_set_database | latin1 | | character_set_results | latin1 | | character_set_server | latin1 | | character_set_system | utf8 | | character_sets_dir | /usr/local/mysql-standard-5.0.18-linux-x86_64-glibc23/share/mysql/charsets/ | | collation_connection | latin1_swedish_ci | | collation_database | latin1_swedish_ci | | collation_server | latin1_swedish_ci | | completion_type | 0 | | concurrent_insert | 1 | | connect_timeout | 5 | | datadir | /usr/local/mysql/data/ | | date_format | %Y-%m-%d | | datetime_format | %Y-%m-%d %H:%i:%s | | default_week_format | 0 | | delay_key_write | ON | | delayed_insert_limit | 100 | | delayed_insert_timeout | 300 | | delayed_queue_size | 1000 | | div_precision_increment | 4 | | engine_condition_pushdown | OFF | | expire_logs_days | 0 | | flush | OFF | | flush_time | 0 | | | ft_max_word_len | 84 | | ft_min_word_len | 4 | | ft_query_expansion_limit | 20 | | ft_stopword_file | (built-in) | | group_concat_max_len | 1024 | | have_archive | YES | | have_bdb | NO | | have_blackhole_engine | NO | | have_compress | YES | | have_crypt | YES | | have_csv | NO | | have_example_engine | NO | | have_federated_engine | NO | | have_geometry | YES | | have_innodb | YES | | have_isam | NO | | have_ndbcluster | NO | | have_openssl | NO | | have_query_cache | YES | | have_raid | NO | | have_rtree_keys | YES | | have_symlink | YES | | init_connect | | | init_file | | | init_slave | | | innodb_additional_mem_pool_size | 10485760 | | innodb_autoextend_increment | 8 | | innodb_buffer_pool_awe_mem_mb | 0 | | innodb_buffer_pool_size | 73400320 | | innodb_checksums | ON | | innodb_commit_concurrency | 0 | | innodb_concurrency_tickets | 500 | | innodb_data_file_path | InnoDB:100M:autoextend | | innodb_data_home_dir | /usr/local/mysql/data/ | | innodb_doublewrite | ON | | innodb_fast_shutdown | 1 | | innodb_file_io_threads | 4 | | innodb_file_per_table | OFF | | innodb_flush_log_at_trx_commit | 1 | | innodb_flush_method | | | innodb_force_recovery | 0 | | innodb_lock_wait_timeout | 50 | | innodb_locks_unsafe_for_binlog | OFF | | innodb_log_arch_dir | /usr/local/mysql/data | | innodb_log_archive | OFF | | innodb_log_buffer_size | 8388608 | | innodb_log_file_size | 20971520 | | innodb_log_files_in_group | 2 | | innodb_log_group_home_dir | /usr/local/mysql/data | | innodb_max_dirty_pages_pct | 90 | | innodb_max_purge_lag | 0 | | innodb_mirrored_log_groups | 1 | | innodb_open_files | 300 | | innodb_support_xa | ON | | innodb_sync_spin_loops | 20 | | innodb_table_locks | ON | | innodb_thread_concurrency | 20 | | innodb_thread_sleep_delay | 10000 | | interactive_timeout | 28800 | | join_buffer_size | 131072 | | key_buffer_size | 268435456 | | key_cache_age_threshold | 300 | | key_cache_block_size | 1024 | | key_cache_division_limit | 100 | | language | /usr/local/mysql-standard-5.0.18-linux-x86_64-glibc23/share/mysql/english/ | | large_files_support | ON | | large_page_size | 0 | | large_pages | OFF | | license | GPL | | local_infile | ON | | locked_in_memory | OFF | | log | OFF | | log_bin | ON | | log_bin_trust_function_creators | OFF | | log_error | /var/log/mysql/mysql-error.log | | log_slave_updates | OFF | | log_slow_queries | OFF | | log_warnings | 1 | | long_query_time | 10 | | low_priority_updates | OFF | | lower_case_file_system | OFF | | lower_case_table_names | 0 | | max_allowed_packet | 1048576 | | max_binlog_cache_size | 18446744073709551615 | | max_binlog_size | 1073741824 | | max_connect_errors | 10 | | max_connections | 500 | | max_delayed_threads | 20 | | max_error_count | 64 | | max_heap_table_size | 16777216 | | max_insert_delayed_threads | 20 | | max_join_size | 18446744073709551615 | | max_length_for_sort_data | 1024 | | max_relay_log_size | 0 | | max_seeks_for_key | 18446744073709551615 | | max_sort_length | 1024 | | max_sp_recursion_depth | 0 | | max_tmp_tables | 32 | | max_user_connections | 0 | | max_write_lock_count | 18446744073709551615 | | multi_range_count | 256 | | myisam_data_pointer_size | 6 | | myisam_max_sort_file_size | 9223372036854775807 | | myisam_recover_options | OFF | | myisam_repair_threads | 1 | | myisam_sort_buffer_size | 8388608 | | myisam_stats_method | nulls_unequal | | net_buffer_length | 16384 | | net_read_timeout | 30 | | net_retry_count | 10 | | net_write_timeout | 60 | | new | OFF | | old_passwords | OFF | | open_files_limit | 2510 | | optimizer_prune_level | 1 | | optimizer_search_depth | 62 | | pid_file | /usr/local/mysql/data/ProductionLinux.pid | | port | 3306 | | preload_buffer_size | 32768 | | protocol_version | 10 | | query_alloc_block_size | 8192 | | query_cache_limit | 1048576 | | query_cache_min_res_unit | 4096 | | query_cache_size | 0 | | query_cache_type | ON | | query_cache_wlock_invalidate | OFF | | query_prealloc_size | 8192 | | range_alloc_block_size | 2048 | | read_buffer_size | 1044480 | | read_only | OFF | | read_rnd_buffer_size | 262144 | | relay_log_purge | ON | | relay_log_space_limit | 0 | | rpl_recovery_rank | 0 | | secure_auth | OFF | | server_id | 71 | | skip_external_locking | ON | | skip_networking | OFF | | skip_show_database | OFF | | slave_compressed_protocol | OFF | | slave_load_tmpdir | /tmp/ | | slave_net_timeout | 3600 | | slave_skip_errors | OFF | | slave_transaction_retries | 10 | | slow_launch_time | 2 | | socket | /tmp/mysql.sock | | sort_buffer_size | 4194296 | | sql_mode | | | sql_notes | ON | | sql_warnings | ON | | storage_engine | MyISAM | | sync_binlog | 0 | | sync_frm | ON | | sync_replication | 0 | | sync_replication_slave_id | 0 | | sync_replication_timeout | 10 | | system_time_zone | CST | | table_cache | 256 | | table_lock_wait_timeout | 50 | | table_type | MyISAM | | thread_cache_size | 30 | | thread_stack | 262144 | | time_format | %H:%i:%s | | time_zone | SYSTEM | | timed_mutexes | OFF | | tmp_table_size | 33554432 | | tmpdir | | | transaction_alloc_block_size | 8192 | | transaction_prealloc_size | 4096 | | tx_isolation | REPEATABLE-READ | | updatable_views_with_limit | YES | | version | 5.0.18-standard-log | | version_comment | MySQL Community Edition - Standard (GPL) | | version_compile_machine | x86_64 | | version_compile_os | unknown-linux-gnu | | wait_timeout | 28800 | +---------------------------------+-----------------------------------------------------------------------------+ 210 rows in set (0.00 sec)

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• pascal triangle in php (anything wrong with this solution?) [migrated]

  - by zhenka

  I saw that one of the interview questions could be building a pascal triangle. Is there anything wrong with this particular solution I came up with? function pascal_r($r){ $local = array(); if($r == 1){ return array(array(1)); } else { $previous = pascal_r($r - 1); array_push($local, 1); for($i = 0; $i < $r - 2 && $r > 2; $i++){ array_push($local, $previous[$r-2][$i] + $previous[$r-2][$i + 1]); } array_push($local, 1); } array_push($previous, $local); return $previous; } print_r(pascal_r(100));

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• nginx reverse proxy cannot access apache virtual hosts

  - by Sc0rian

  I am setting up nginx as a reverse proxy. The server runs on directadmin and lamp stack. I have nginx running on port 81. I can access all my sites (including virtual ips) on the port 81. However when I forward the traffic from port 80 to 81, the virtual ips have a message saying "Apache is running normally". Server IPs are fine, and I can still access virtual IP's on 81. [root@~]# netstat -an | grep LISTEN | egrep ":80|:81" tcp 0 0 <virtual ip>:81 0.0.0.0:* LISTEN tcp 0 0 <virtual ip>:81 0.0.0.0:* LISTEN tcp 0 0 <serverip>:81 0.0.0.0:* LISTEN tcp 0 0 :::80 :::* LISTEN apache 24090 0.6 1.3 29252 13612 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24092 0.9 2.1 39584 22056 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24096 0.2 1.9 35892 20256 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24120 0.3 1.7 35752 17840 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24495 0.0 1.4 30892 14756 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24496 1.0 2.1 39892 22164 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24516 1.5 3.6 55496 38040 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24519 0.1 1.2 28996 13224 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24521 2.7 4.0 58244 41984 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24522 0.0 1.2 29124 12672 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24524 0.0 1.1 28740 12364 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24535 1.1 1.7 36008 17876 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24536 0.0 1.1 28592 12084 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24537 0.0 1.1 28592 12112 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24539 0.0 0.0 0 0 ? Z 18:35 0:00 [httpd] <defunct> apache 24540 0.0 1.1 28592 11540 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24541 0.0 1.1 28592 11548 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL root 24548 0.0 0.0 4132 752 pts/0 R+ 18:35 0:00 egrep apache|nginx root 28238 0.0 0.0 19576 284 ? Ss May29 0:00 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf apache 28239 0.0 0.0 19888 804 ? S May29 0:00 nginx: worker process apache 28240 0.0 0.0 19888 548 ? S May29 0:00 nginx: worker process apache 28241 0.0 0.0 19736 484 ? S May29 0:00 nginx: cache manager process here is my nginx conf: cat /usr/local/nginx/conf/nginx.conf user apache apache; worker_processes 2; # Set it according to what your CPU have. 4 Cores = 4 worker_rlimit_nofile 8192; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] ' '"$request" $status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; server_tokens off; access_log /var/log/nginx_access.log main; error_log /var/log/nginx_error.log debug; server_names_hash_bucket_size 64; sendfile on; tcp_nopush on; tcp_nodelay off; keepalive_timeout 30; gzip on; gzip_comp_level 9; gzip_proxied any; proxy_buffering on; proxy_cache_path /usr/local/nginx/proxy_temp levels=1:2 keys_zone=one:15m inactive=7d max_size=1000m; proxy_buffer_size 16k; proxy_buffers 100 8k; proxy_connect_timeout 60; proxy_send_timeout 60; proxy_read_timeout 60; server { listen <server ip>:81 default rcvbuf=8192 sndbuf=16384 backlog=32000; # Real IP here server_name <server host name> _; # "_" is for handle all hosts that are not described by server_name charset off; access_log /var/log/nginx_host_general.access.log main; location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://<server ip>; # Real IP here client_max_body_size 16m; client_body_buffer_size 128k; proxy_buffering on; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 120; proxy_buffer_size 16k; proxy_buffers 32 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } location /nginx_status { stub_status on; access_log off; allow 127.0.0.1; deny all; } } include /usr/local/nginx/vhosts/*.conf; } here is my vhost conf: # cat /usr/local/nginx/vhosts/1.conf server { listen <virt ip>:81 default rcvbuf=8192 sndbuf=16384 backlog=32000; # Real IP here server_name <virt domain name>.com ; # "_" is for handle all hosts that are not described by server_name charset off; access_log /var/log/nginx_host_general.access.log main; location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://<virt ip>; # Real IP here client_max_body_size 16m; client_body_buffer_size 128k; proxy_buffering on; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 120; proxy_buffer_size 16k; proxy_buffers 32 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } } Apache config: <VirtualHost xxxxxx:80 > ServerName www.<domain>.com ServerAlias www.<domain>.com <domain>.com ServerAdmin webmaster@<domain>.com DocumentRoot /home/<domain>/domains/<domain>.com/public_html ScriptAlias /cgi-bin/ /home/<domain>/domains/<domain>.com/public_html/cgi-bin/ UseCanonicalName OFF <IfModule !mod_ruid2.c> SuexecUserGroup <domain> <domain> </IfModule> <IfModule mod_ruid2.c> RMode config RUidGid <domain> <domain> RGroups apache access </IfModule> CustomLog /var/log/httpd/domains/<domain>.com.bytes bytes CustomLog /var/log/httpd/domains/<domain>.com.log combined ErrorLog /var/log/httpd/domains/<domain>.com.error.log <Directory /home/<domain>/domains/<domain>.com/public_html> Options +Includes -Indexes php_admin_flag engine ON php_admin_value sendmail_path '/usr/sbin/sendmail -t -i -f <domain>@<domain>.com' </Directory> <virtual ip address>:80 is a NameVirtualHost default server www.xx.com (/usr/local/directadmin/data/users/xx/httpd.conf:16) port 80 namevhost www.xx.com (/usr/local/directadmin/data/users/xx/httpd.conf:16) port 80 namevhost www.xx.co.uk (/usr/local/directadmin/data/users/xx/httpd.conf:107) port 80 namevhost www.xx.co.uk (/usr/local/directadmin/data/users/xx/httpd.conf:151) port 80 namevhost www.xx.co.uk (/usr/local/directadmin/data/users/xx/httpd.conf:195) <virtual ip address>:443 is a NameVirtualHost default server www.xx.com (/usr/local/directadmin/data/users/xx/httpd.conf:61) port 443 namevhost www.xx.com (/usr/local/directadmin/data/users/xx/httpd.conf:61) <server ip>:80 is a NameVirtualHost default server localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:29) port 80 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:29) port 80 namevhost www.xx.co.uk (/usr/local/directadmin/data/users/admin/httpd.conf:16)

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• getline(cin, variable) not wanting to work properly in c++?

  - by Jeff

  Here's my program so far: int main() { char choice = 'D'; string inputString; cout << "Please input a string." << endl; getline(cin, inputString); LetterCount letterCount(inputString); while(choice != 'E') { cout << "Please choose from the following: " << endl << "A) Count the number of vowels in the string." << endl << "B) Count the number of consonants in the string." << endl << "C) Count both the vowels and consonants in the string." << endl << "D) Enter another string." << endl << "E) Exit the program." << endl; cin >> choice; if(choice == 'A' || choice == 'a') { cout << "There are " << letterCount.vowelCount() << " vowels in this string." << endl; } else if(choice == 'B' || choice == 'b') { cout << "There are " << letterCount.consonantCount() << " consonants in this string." << endl; } else if(choice == 'C' || choice == 'c') { cout << "There are " << letterCount.vowelCount() << " vowels and " << letterCount.consonantCount() << " consonants in this string, for a total of " << (letterCount.vowelCount() + letterCount.consonantCount()) << " letters." << endl; } else if(choice == 'D' || choice == 'd') { cout << "Please type in another string." << endl; getline(cin, inputString); letterCount.setInputString(inputString); } else { choice = 'E'; } } } I'm only including the main as it's the issue giver here, everything else functions properly. The problem comes up when I use choice 'D' (input a new string.) as soon as enter is hit, the program returns right to the choice prompt and sets the inputString variable to blank (not the word blank, but nothing in it) the first getline(cin, inputString) works perfectly fine, the second one is the issue giver...any suggestions?

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• Patterns: Local Singleton vs. Global Singleton?

  - by Mike Rosenblum

  There is a pattern that I use from time to time, but I'm not quite sure what it is called. I was hoping that the SO community could help me out. The pattern is pretty simple, and consists of two parts: A singleton factory, which creates objects based on the arguments passed to the factory method. Objects created by the factory. So far this is just a standard "singleton" pattern or "factory pattern". The issue that I'm asking about, however, is that the singleton factory in this case maintains a set of references to every object that it ever creates, held within a dictionary. These references can sometimes be strong references and sometimes weak references, but it can always reference any object that it has ever created. When receiving a request for a "new" object, the factory first searches the dictionary to see if an object with the required arguments already exits. If it does, it returns that object, if not, it returns a new object and also stores a reference to the new object within the dictionary. This pattern prevents having duplicative objects representing the same underlying "thing". This is useful where the created objects are relatively expensive. It can also be useful where these objects perform event handling or messaging - having one object per item being represented can prevent multiple messages/events for a single underlying source. There are probably other reasons to use this pattern, but this is where I've found this useful. My question is: what to call this? In a sense, each object is a singleton, at least with respect to the data it contains. Each is unique. But there are multiple instances of this class, however, so it's not at all a true singleton. In my own personal terminology, I tend to call the factory method a "global singleton". I then call the created objects "local singletons". I sometimes also say that the created objects have "reference equality", meaning that if two variables reference the same data (the same underlying item) then the reference they each hold must be to the same exact object, hence "reference equality". But these are my own invented terms, and I am not sure that they are good ones. Is there standard terminology for this concept? And if not, could some naming suggestions be made? Thanks in advance...

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• How do I get around this lambda expression outer variable issue?

  - by panamack

  I'm playing with PropertyDescriptor and ICustomTypeDescriptor (still) trying to bind a WPF DataGrid to an object, for which the data is stored in a Dictionary. Since if you pass WPF DataGrid a list of Dictionary objects it will auto generate columns based on the public properties of a dictionary (Comparer, Count, Keys and Values) my Person subclasses Dictionary and implements ICustomTypeDescriptor. ICustomTypeDescriptor defines a GetProperties method which returns a PropertyDescriptorCollection. PropertyDescriptor is abstract so you have to subclass it, I figured I'd have a constructor that took Func and an Action parameters that delegate the getting and setting of the values in the dictionary. I then create a PersonPropertyDescriptor for each Key in the dictionary like this: foreach (string s in this.Keys) { var descriptor = new PersonPropertyDescriptor( s, new Func<object>(() => { return this[s]; }), new Action<object>(o => { this[s] = o; })); propList.Add(descriptor); } The problem is that each property get's its own Func and Action but they all share the outer variable s so although the DataGrid autogenerates columns for "ID","FirstName","LastName", "Age", "Gender" they all get and set against "Gender" which is the final resting value of s in the foreach loop. How can I ensure that each delegate uses the desired dictionary Key, i.e. the value of s at the time the Func/Action is instantiated? Much obliged. Here's the rest of my idea, I'm just experimenting here these are not 'real' classes... // DataGrid binds to a People instance public class People : List<Person> { public People() { this.Add(new Person()); } } public class Person : Dictionary<string, object>, ICustomTypeDescriptor { private static PropertyDescriptorCollection descriptors; public Person() { this["ID"] = "201203"; this["FirstName"] = "Bud"; this["LastName"] = "Tree"; this["Age"] = 99; this["Gender"] = "M"; } //... other ICustomTypeDescriptor members... public PropertyDescriptorCollection GetProperties() { if (descriptors == null) { var propList = new List<PropertyDescriptor>(); foreach (string s in this.Keys) { var descriptor = new PersonPropertyDescriptor( s, new Func<object>(() => { return this[s]; }), new Action<object>(o => { this[s] = o; })); propList.Add(descriptor); } descriptors = new PropertyDescriptorCollection(propList.ToArray()); } return descriptors; } //... other other ICustomTypeDescriptor members... } public class PersonPropertyDescriptor : PropertyDescriptor { private Func<object> getFunc; private Action<object> setAction; public PersonPropertyDescriptor(string name, Func<object> getFunc, Action<object> setAction) : base(name, null) { this.getFunc = getFunc; this.setAction = setAction; } // other ... PropertyDescriptor members... public override object GetValue(object component) { return getFunc(); } public override void SetValue(object component, object value) { setAction(value); } }

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• 'Timeout Expired' error against local SQL Express on only 2 LINQ Methods...

  - by Refracted Paladin

  I am going to sum up my problem first and then offer massive details and what I have already tried. Summary: I have an internal winform app that uses Linq 2 Sql to connect to a local SQL Express database. Each user has there own DB and the DB stay in sync through Merge Replication with a Central DB. All DB's are SQL 2005(sp2or3). We have been using this app for over 5 months now but recently our users are getting a Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. Detailed: The strange part is they get that in two differnt locations(2 differnt LINQ Methods) and only the first time they fire in a given time period(~5mins). One LINQ method is pulling all records that match a FK ID and then Manipulating them to form a Heirarchy View for a TreeView. The second is pulling all records that match a FK ID and dumping them into a DataGridView. The only things I can find in common with the 2 are that the first IS an IEnumerable and the second converts itself from IQueryable - IEnumerable - DataTable... I looked at the query's in Profiler and they 'seemed' normal. They are not very complicated querys. They are only pulling back 10 - 90 records, from one table. Any thoughts, suggestions, hints whatever would be greatly appreciated. I am at my wit's end on this.... public IList<CaseNoteTreeItem> GetTreeViewDataAsList(int personID) { var myContext = MatrixDataContext.Create(); var caseNotesTree = from cn in myContext.tblCaseNotes where cn.PersonID == personID orderby cn.ContactDate descending, cn.InsertDate descending select new CaseNoteTreeItem { CaseNoteID = cn.CaseNoteID, NoteContactDate = Convert.ToDateTime(cn.ContactDate). ToShortDateString(), ParentNoteID = cn.ParentNote, InsertUser = cn.InsertUser, ContactDetailsPreview = cn.ContactDetails.Substring(0, 75) }; return caseNotesTree.ToList<CaseNoteTreeItem>(); } AND THIS ONE public static DataTable GetAllCNotes(int personID) { using (var context = MatrixDataContext.Create()) { var caseNotes = from cn in context.tblCaseNotes where cn.PersonID == personID orderby cn.ContactDate select new { cn.ContactDate, cn.ContactDetails, cn.TimeSpentUnits, cn.IsCaseLog, cn.IsPreEnrollment, cn.PresentAtContact, cn.InsertDate, cn.InsertUser, cn.CaseNoteID, cn.ParentNote }; return caseNotes.ToList().CopyLinqToDataTable(); } }

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• Compiling libcurl for mingw32 (Windows) on mac os x 10.6

  - by Daniel

  Hello. I'm compiling libcurl for mingw32 as follows: ./configure --prefix=/Users/daniel/mingw32 "CFLAGS= -ABI=32" make make install But when compiling a program using mingw32-gcc: i386-mingw32-gcc -lcurl -o bin/remote-win.exe remote.c i get: In file included from /Users/daniel/mingw32/usr/local/include/curl/curl.h:34, from remote.c:6: /Users/daniel/mingw32/usr/local/include/curl/curlbuild.h:152:26: sys/socket.h: No such file or directory In file included from /Users/daniel/mingw32/usr/local/include/curl/curl.h:34, from remote.c:6: /Users/daniel/mingw32/usr/local/include/curl/curlbuild.h:165: error: syntax error before "curl_socklen_t" In file included from /Users/daniel/mingw32/usr/local/include/curl/curl.h:35, from remote.c:6: /Users/daniel/mingw32/usr/local/include/curl/curlrules.h:143: error: size of array `__curl_rule_01__' is negative /Users/daniel/mingw32/usr/local/include/curl/curlrules.h:153: error: size of array `__curl_rule_02__' is negative I'm pretty sure the error is because curl_socklen_t does not exist on windows. I've tried --target=--mingw32 but still no success. Please help

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• Testing a Django view cause "AttributeError: 'NoneType' object has no attribute 'handler500'" error

  - by jack

  I just wanted to start testing a Django view using the code below: from django.test.client import Client c = Client() response = c.get('/search/keyword') print response.content It just throws out following error message: "/usr/local/lib/python2.6/dist-packages/django/test/client.py", line 286, in get response = self.request(**r) File "/usr/local/lib/python2.6/dist-packages/django/test/client.py", line 230, in request response = self.handler(environ) File "/usr/local/lib/python2.6/dist-packages/django/test/client.py", line 74, in __call__ response = self.get_response(request) File "/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py", line 143, in get_response return self.handle_uncaught_exception(request, resolver, exc_info) File "/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py", line 178, in handle_uncaught_exception callback, param_dict = resolver.resolve500() File "/usr/local/lib/python2.6/dist-packages/django/core/urlresolvers.py", line 268, in resolve500 return self._resolve_special('500') File "/usr/local/lib/python2.6/dist-packages/django/core/urlresolvers.py", line 258, in _resolve_special callback = getattr(self.urlconf_module, 'handler%s' % view_type) AttributeError: 'NoneType' object has no attribute 'handler500' The view works in browser. What's wrong with above code?

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• Django AND .htaccess rewrites/redirects, is this possible?

  - by Infinity

  Is it possible to have Apache htaccess rewrites take effect before it hits django? For example so I can redirect iPhone users to a completely different domain without even hitting django. We're using apache2 with mod_wsgi and the apache vhost looks like this: <VirtualHost *:80> DocumentRoot /usr/local/www/site/static Alias /css/ /usr/local/www/site/static/css/ Alias /js/ /usr/local/www/site/static/js/ Alias /img/ /usr/local/www/site/static/img/ Alias /flash/ /usr/local/www/site/static/flash/ <Directory /usr/local/www/site/static> AllowOverride All Order allow,deny Allow from all </Directory> WSGIDaemonProcess mallorca-site threads=15 WSGIScriptAlias / /usr/local/www/site/config/dev/dev.wsgi </VirtualHost> Thanks

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• Convert hex to decimal keeping fractional part in Lua

  - by Zack Mulgrew

  Lua's tonumber function is nice but can only convert unsigned integers unless they are base 10. I have a situation where I have numbers like 01.4C that I would like to convert to decimal. I have a crummy solution: function split(str, pat) local t = {} local fpat = "(.-)" .. pat local last_end = 1 local s, e, cap = str:find(fpat, 1) while s do if s ~= 1 or cap ~= "" then table.insert(t,cap) end last_end = e+1 s, e, cap = str:find(fpat, last_end) end if last_end <= #str then cap = str:sub(last_end) table.insert(t, cap) end return t end -- taken from http://lua-users.org/wiki/SplitJoin function hex2dec(hexnum) local parts = split(hexnum, "[\.]") local sigpart = parts[1] local decpart = parts[2] sigpart = tonumber(sigpart, 16) decpart = tonumber(decpart, 16) / 256 return sigpart + decpart end print(hex2dec("01.4C")) -- output: 1.296875 I'd be interested in a better solution for this if there is one.

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• HELP: MS Virtual Disk Service to Access Volumes and Discs on Local Machine.

  - by Jibran Ahmed

  Hi, here it is my code through which I am successfully initialize the VDS service and get the Packs but When I call QueryVolumes on IVdsPack Object, I am able to get IEnumVdsObjects but unable to get IUnknown* array through IEnumVdsObject::Next method, it reutrns S_FALSE with IUnkown* = NULL. So this IUnknown* cant be used to QueryInterface for IVdsVolume Below is my code HRESULT hResult; IVdsService* pService = NULL; IVdsServiceLoader *pLoader = NULL; //Launch the VDS Service hResult = CoInitialize(NULL); if( SUCCEEDED(hResult) ) { hResult = CoCreateInstance( CLSID_VdsLoader, NULL, CLSCTX_LOCAL_SERVER, IID_IVdsServiceLoader, (void**) &pLoader ); //if succeeded load VDS on local machine if( SUCCEEDED(hResult) ) pLoader->LoadService(NULL, &pService); //Done with Loader now release VDS Loader interface _SafeRelease(pLoader); if( SUCCEEDED(hResult) ) { hResult = pService->WaitForServiceReady(); if ( SUCCEEDED(hResult) ) { AfxMessageBox(L"VDS Service Loaded"); IEnumVdsObject* pEnumVdsObject = NULL; hResult = pService->QueryProviders(VDS_QUERY_SOFTWARE_PROVIDERS, &pEnumVdsObject); IUnknown* ppObjUnk ; IVdsSwProvider* pVdsSwProvider = NULL; IVdsPack* pVdsPack = NULL; IVdsVolume* pVdsVolume = NULL; ULONG ulFetched = 0; hResult = E_INVALIDARG; while(!SUCCEEDED(hResult)) { hResult = pEnumVdsObject->Next(1, &ppObjUnk, &ulFetched); hResult = ppObjUnk->QueryInterface(IID_IVdsSwProvider, (void**)&pVdsSwProvider); if(!SUCCEEDED(hResult)) _SafeRelease(ppObjUnk); } _SafeRelease(pEnumVdsObject); _SafeRelease(ppObjUnk); hResult = pVdsSwProvider->QueryPacks(&pEnumVdsObject); hResult = E_INVALIDARG; while(!SUCCEEDED(hResult)) { hResult = pEnumVdsObject->Next(1, &ppObjUnk, &ulFetched); hResult = ppObjUnk->QueryInterface(IID_IVdsPack, (void**)&pVdsPack); if(!SUCCEEDED(hResult)) _SafeRelease(ppObjUnk); } _SafeRelease(pEnumVdsObject); _SafeRelease(ppObjUnk); hResult = pVdsPack->QueryVolumes(&pEnumVdsObject); pEnumVdsObject->Reset(); hResult = E_INVALIDARG; ulFetched = 0; BOOL bDone = FALSE; while(!SUCCEEDED(hResult)) { hResult = pEnumVdsObject->Next(1, &ppObjUnk, &ulFetched); //hResult = ppObjUnk->QueryInterface(IID_IVdsVolume, (void**)&pVdsVolume); if(!SUCCEEDED(hResult)) _SafeRelease(ppObjUnk); } _SafeRelease(pEnumVdsObject); _SafeRelease(ppObjUnk); _SafeRelease(pVdsPack); _SafeRelease(pVdsSwProvider); // hResult = pVdsVolume-AddAccessPath(TEXT("G:\")); if(SUCCEEDED(hResult)) AfxMessageBox(L"Add Access Path Successfully"); else AfxMessageBox(L"Unable to Add access path"); //UUID of IVdsVolumeMF {EE2D5DED-6236-4169-931D-B9778CE03DC6} static const GUID GUID_IVdsVolumeMF = {0xEE2D5DED, 0x6236, 4169,{0x93, 0x1D, 0xB9, 0x77, 0x8C, 0xE0, 0x3D, 0XC6} }; hResult = pService->GetObject(GUID_IVdsVolumeMF, VDS_OT_VOLUME, &ppObjUnk); if(hResult == VDS_E_OBJECT_NOT_FOUND) AfxMessageBox(L"Object Not found"); if(hResult == VDS_E_INITIALIZED_FAILED) AfxMessageBox(L"Initialization failed"); // pVdsVolume = reinterpret_cast(ppObjUnk); if(SUCCEEDED(hResult)) { // hResult = pVdsVolume-AddAccessPath(TEXT("G:\")); if(SUCCEEDED(hResult)) { IVdsAsync* ppVdsSync; AfxMessageBox(L"Formatting is about to Start......"); // hResult = pVdsVolume-Format(VDS_FST_UDF, TEXT("UDF_FORMAT_TEST"), 2048, TRUE, FALSE, FALSE, &ppVdsSync); if(SUCCEEDED(hResult)) AfxMessageBox(L"Formatting Started......."); else AfxMessageBox(L"Formatting Failed"); } else AfxMessageBox(L"Unable to Add Access Path"); } _SafeRelease(pVdsVolume); } else { AfxMessageBox(L"VDS Service Cannot be Loaded"); } } } _SafeRelease(pService);

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• What is wrong with my XSLT for the XML File?

  - by atrueguy

  Actually my XML file has SVG info, and my Project lead wants me to develop an XSLT for the XMl file to convert it in to a PDF file. But when I try to do so I am failing to convert the XML file to PDF, can anyone help me out in this....... My Sample XML file <?xml version="1.0" encoding="ISO-8859-1"?> <!--<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">--> <!-- Generator: Arbortext IsoDraw 7.0 --> <svg width="100%" height="100%" viewBox="0 0 214.819 278.002"> <g id="Standard_x0020_layer"/> <g id="Catalog"> <line stroke-width="0.353" stroke-linecap="butt" x1="5.839" y1="262.185" x2="209.039" y2="262.185"/> <text transform="matrix(0.984 0 0 0.93 183.515 265.271)" stroke="none" fill="#000000" font-family="'Helvetica'" font-size="3.174">© 2009 k Co.</text> <text transform="matrix(0.994 0 0 0.93 7.235 265.3)" stroke="none" fill="#000000" font-family="'Helvetica'" font-size="3.174">087156-8-</text> <text transform="matrix(0.995 0 0 0.93 21.708 265.357)" stroke="none" fill="#000000" font-family="'Helvetica'" font-size="3.174" font-weight="bold">AB</text> <text x="103.292" y="265.298" stroke="none" fill="#000000" font-family="'Helvetica'" font-size="3.174">P. 1/1</text> <g id="IC_TextBlock.1"> <g> <text transform="matrix(0.994 0 0 0.93 192.812 8.076)" stroke="none" fill="#000000" font-family="'Helvetica'" font-size="4.586" font-weight="bold">Fittings</text> <text transform="matrix(0.994 0 0 0.93 188.492 13.323)" stroke="none" fill="#000000" font-family="'Helvetica'" font-size="4.586" font-weight="bold">Raccords</text> <text transform="matrix(0.994 0 0 0.93 183.431 18.571)" stroke="none" fill="#000000" font-family="'Helvetica'" font-size="4.586" font-weight="bold">Conexiones</text> </g> </g> <g> <path stroke="none" fill="#000000" d="M26.507 12.628L26.507 4.977 28.599 4.977 28.599 10.673 30.946 10.673 30.946 12.628 26.507 12.628z"/> <path stroke="none" fill="#000000" d="M19.693 12.628L19.693 4.977 21.785 4.977 21.785 7.66 23.893 7.66 23.893 4.977 25.986 4.977 25.986 12.628 23.893 12.628 23.893 9.782 21.785 9.782 21.785 12.628 19.693 12.628z"/> <path stroke="none" fill="#000000" d="M12.587 4.977L9.566 8.621 13.019 12.631 10.25 12.63 7.905 9.9 7.9 9.9 7.9 12.628 5.81 12.628 5.81 4.977 7.9 4.977 7.9 7.267 7.884 7.27 9.875 4.977 12.587 4.977z"/> <path stroke="none" fill="#000000" d="M11.455 8.739C11.455 6.538 13.221 4.753 15.4 4.753L15.4 6.775C14.419 6.775 13.625 7.653 13.625 8.737 13.625 9.821 14.419 10.699 15.4 10.699 16.382 10.699 17.176 9.821 17.176 8.737 17.176 7.653 16.382 6.775 15.4 6.775L15.4 4.753C17.579 4.753 19.346 6.538 19.346 8.739 19.346 10.941 17.579 12.724 15.4 12.724 13.221 12.724 11.455 10.941 11.455 8.739z"/> <path stroke="none" fill="#000000" d="M33.472 4.977L35.621 4.977 35.621 6.74 33.521 6.743 33.515 7.952 35.454 7.952 35.454 9.664 33.518 9.664 33.518 10.833 35.64 10.833 35.64 12.628 33.491 12.628 31.376 12.628 31.376 4.977 33.472 4.977z"/> <path stroke="none" fill="#000000" d="M39.97 9.57L42.146 12.631 39.862 12.628 38.156 10.279 38.156 12.622 36.107 12.622 36.107 4.974 38.728 4.974 38.741 6.75 38.149 6.75 38.149 8.221 38.741 8.223C39.149 8.223 39.478 7.894 39.478 7.487 39.478 7.08 39.149 6.75 38.741 6.75L38.728 4.974C41.036 4.974 42.5 7.867 39.97 9.57z"/> <path stroke="none" fill="#000000" d="M42.415 12.205C42.415 11.82 42.72 11.512 43.106 11.512 43.49 11.512 43.796 11.82 43.796 12.205 43.796 12.586 43.49 12.894 43.106 12.894L43.106 12.73C43.402 12.73 43.631 12.51 43.631 12.205 43.631 11.894 43.402 11.676 43.106 11.676L43.179 11.837C43.344 11.837 43.457 11.868 43.457 12.057 43.457 12.189 43.39 12.243 43.262 12.252L43.436 12.554 43.262 12.554 43.103 12.252 42.99 12.252 42.99 12.143 43.182 12.143C43.262 12.143 43.308 12.127 43.308 12.035 43.308 11.962 43.216 11.962 43.146 11.962L42.99 11.962 42.99 12.143 42.99 12.252 42.99 12.554 42.832 12.554 42.832 11.837 43.179 11.837 43.106 11.676C42.804 11.676 42.579 11.894 42.579 12.205 42.579 12.51 42.804 12.73 43.106 12.73L43.106 12.894C42.72 12.894 42.415 12.586 42.415 12.205z"/> <g> <path stroke="none" fill="#000000" d="M8.837 17.466L8.599 17.466 8.554 16.832 8.544 16.832C8.31 17.329 7.843 17.539 7.339 17.539 6.243 17.539 5.697 16.675 5.697 15.724 5.697 14.774 6.243 13.91 7.339 13.91 8.071 13.91 8.666 14.305 8.794 15.067L8.461 15.067C8.417 14.666 8.003 14.194 7.339 14.194 6.418 14.194 6.027 14.964 6.027 15.724 6.027 16.486 6.418 17.257 7.339 17.257 8.111 17.257 8.56 16.716 8.544 15.978L7.36 15.978 7.36 15.695 8.837 15.695 8.837 17.466z"/> <path stroke="none" fill="#000000" d="M9.477 13.984L11.881 13.984 11.881 14.266 9.807 14.266 9.807 15.525 11.749 15.525 11.749 15.807 9.807 15.807 9.807 17.182 11.906 17.182 11.906 17.466 9.477 17.466 9.477 13.984z"/> <path stroke="none" fill="#000000" d="M12.364 13.984L12.734 13.984 14.763 16.929 14.772 16.929 14.772 13.984 15.105 13.984 15.105 17.466 14.734 17.466 12.705 14.521 12.695 14.521 12.695 17.466 12.364 17.466 12.364 13.984z"/> <path stroke="none" fill="#000000" d="M15.768 13.984L16.1 13.984 16.1 16.14C16.094 16.949 16.48 17.257 17.118 17.257 17.763 17.257 18.147 16.949 18.143 16.14L18.143 13.984 18.475 13.984 18.475 16.213C18.475 16.929 18.089 17.539 17.118 17.539 16.153 17.539 15.768 16.929 15.768 16.213L15.768 13.984z"/> <path stroke="none" fill="#000000" d="M19.167 13.984L19.498 13.984 19.498 17.466 19.167 17.466 19.167 13.984z"/> <path stroke="none" fill="#000000" d="M20.221 13.984L20.591 13.984 22.62 16.929 22.629 16.929 22.629 13.984 22.961 13.984 22.961 17.466 22.591 17.466 20.562 14.521 20.553 14.521 20.553 17.466 20.221 17.466 20.221 13.984z"/> <path stroke="none" fill="#000000" d="M23.658 13.984L26.064 13.984 26.064 14.266 23.99 14.266 23.99 15.525 25.931 15.525 25.931 15.807 23.99 15.807 23.99 17.182 26.088 17.182 26.088 17.466 23.658 17.466 23.658 13.984z"/> <path stroke="none" fill="#000000" d="M27.908 13.984L29.452 13.984C30.077 13.984 30.487 14.349 30.487 14.978 30.487 15.608 30.077 15.974 29.452 15.974L28.239 15.974 28.239 15.691 29.379 15.691C29.838 15.691 30.155 15.457 30.155 14.978 30.155 14.5 29.838 14.266 29.379 14.266L28.239 14.266 28.239 15.691 28.239 15.974 28.239 17.466 27.908 17.466 27.908 13.984z"/> <path stroke="none" fill="#000000" d="M31.643 13.984L32.014 13.984 33.38 17.466 33.024 17.466 32.598 16.384 31.013 16.384 31.117 16.1 32.487 16.1 31.814 14.314 31.117 16.1 31.013 16.384 30.594 17.466 30.239 17.466 31.643 13.984z"/> <path stroke="none" fill="#000000" d="M33.695 13.984L35.292 13.984C35.866 13.984 36.35 14.262 36.35 14.891 36.35 15.33 36.121 15.691 35.671 15.778L35.671 15.788C36.125 15.846 36.256 16.16 36.28 16.574 36.296 16.812 36.296 17.291 36.442 17.466L36.076 17.466C35.993 17.329 35.993 17.071 35.984 16.925 35.954 16.437 35.915 15.896 35.286 15.919L34.029 15.919 34.029 15.637 35.267 15.637C35.671 15.637 36.018 15.384 36.018 14.96 36.018 14.535 35.765 14.266 35.267 14.266L34.029 14.266 34.029 15.637 34.029 15.919 34.029 17.466 33.695 17.466 33.695 13.984z"/> <path stroke="none" fill="#000000" d="M36.603 13.984L39.363 13.984 39.363 14.266 38.149 14.266 38.149 17.466 37.817 17.466 37.817 14.266 36.603 14.266 36.603 13.984z"/> <path stroke="none" fill="#000000" d="M39.847 16.32C39.832 17.038 40.348 17.257 40.982 17.257 41.348 17.257 41.905 17.056 41.905 16.548 41.905 16.155 41.509 15.997 41.188 15.919L40.411 15.73C40.003 15.628 39.627 15.432 39.627 14.891 39.627 14.55 39.847 13.91 40.826 13.91 41.515 13.91 42.118 14.281 42.115 14.993L41.783 14.993C41.762 14.461 41.325 14.194 40.832 14.194 40.378 14.194 39.959 14.368 39.959 14.885 39.959 15.212 40.203 15.349 40.485 15.417L41.335 15.628C41.826 15.759 42.237 15.974 42.237 16.545 42.237 16.783 42.139 17.539 40.905 17.539 40.081 17.539 39.475 17.169 39.515 16.32L39.847 16.32z"/> </g> </g> </g> </svg> My Sample XSLT File <?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:svg="http://www.w3.org/2000/svg"> <xsl:template match="/"> <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"> <fo:layout-master-set> <fo:simple-page-master master-name="simple" page-height="11in" page-width="8.5in"> <fo:region-body margin="0.7in" margin-top="1.15in" margin-left=".8in"/> <fo:region-before extent="1.5in"/> <fo:region-after extent="1.5in"/> <fo:region-start extent="1.5in"/> <fo:region-end extent="1.5in"/> </fo:simple-page-master> </fo:layout-master-set> <fo:page-sequence master-reference="simple"> <fo:flow flow-name="xsl-region-body"> <fo:block> <fo:instream-foreign-object xmlns:svg="http://www.w3.org/2000/svg"> <svg:svg height="100%" width="100%" viewBox="0 0 214.819 278.002"> <xsl:for-each select="svg/g/path"> <svg:g style="stroke:none;fill:#000000;stroke:black;"> <svg:path> <xsl:variable name="s"> <xsl:value-of select="translate(@d,' ','')"/> </xsl:variable> <xsl:attribute name="d"><xsl:value-of select="translate($s,',',' ')"/></xsl:attribute> </svg:path> </svg:g> </xsl:for-each> <xsl:for-each select="svg/g/text()"> <xsl:value-of select="."/> </xsl:for-each> <xsl:for-each select="svg/g/g/path"> <svg:g style="stroke:none;fill:#000000;stroke:black;"> <svg:path> <xsl:variable name="s"> <xsl:value-of select="translate(@d,' ','')"/> </xsl:variable> <xsl:attribute name="d"><xsl:value-of select="translate($s,',',' ')"/></xsl:attribute> </svg:path> </svg:g> </xsl:for-each> <xsl:for-each select="svg/g/g/g/path"> <svg:g style="stroke:none;fill:#000000;"> <svg:path> <xsl:variable name="s1"> <xsl:value-of select="translate(@d,' ','')"/> </xsl:variable> <xsl:attribute name="d"><xsl:value-of select="translate($s1,',',' ')"/></xsl:attribute> </svg:path> </svg:g> </xsl:for-each> <xsl:for-each select="svg/g/line"> <svg:g style="stroke-linecap:butt;"> <xsl:variable name="x1"> <xsl:value-of select="@x1"/> </xsl:variable> <xsl:variable name="y1"> <xsl:value-of select="@y1"/> </xsl:variable> <xsl:variable name="x2"> <xsl:value-of select="@x2"/> </xsl:variable> <xsl:variable name="y2"> <xsl:value-of select="@y2"/> </xsl:variable> <xsl:variable name="stroke-width"> <xsl:value-of select="@stroke-width"/> </xsl:variable> <svg:line x1="$x1" y1="$y1" x2="$x2" y2="$y2" stroke-width="$stroke-width" stroke="black" /> </svg:g> </xsl:for-each> </svg:svg> </fo:instream-foreign-object> </fo:block> </fo:flow> </fo:page-sequence> </fo:root> </xsl:template> </xsl:stylesheet> My Question I have developed the XSLT file for the XML, and I need to produce a pdf output after processing the xslt file. but I am not able to get the xml data in to my pdf. Please ask me if the information what I have provided is not sufficient, as I am bit new to Stackoverflow...

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• STORED PROCEDURE working in my local test machine cannot be created in production environment.

  - by Marcos Buarque

  Hi, I have an SQL CREATE PROCEDURE statement that runs perfectly in my local SQL Server, but cannot be recreated in production environment. The error message I get in production is Msg 102, Level 15, State 1, Incorrect syntax near '='. It is a pretty big query and I don't want to annoy StackOverflow users, but I simply can't find a solution. If only you could point me out what settings I could check in the production server in order to enable running the code... I must be using some kind of syntax or something that is conflicting with some setting in production. This PROCEDURE was already registered in production before, but when I ran a DROP - CREATE PROCEDURE today, the server was able to drop the procedure, but not to recreate it. I will paste the code below. Thank you! =============== USE [Enorway] GO /****** Object: StoredProcedure [dbo].[Spel_CM_ChartsUsersTotals] Script Date: 03/17/2010 11:59:57 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE PROC [dbo].[Spel_CM_ChartsUsersTotals] @IdGroup int, @IdAssessment int, @UserId int AS SET NOCOUNT ON DECLARE @RequiredColor varchar(6) SET @RequiredColor = '3333cc' DECLARE @ManagersColor varchar(6) SET @ManagersColor = '993300' DECLARE @GroupColor varchar(6) SET @GroupColor = 'ff0000' DECLARE @SelfColor varchar(6) SET @SelfColor = '336600' DECLARE @TeamColor varchar(6) SET @TeamColor = '993399' DECLARE @intMyCounter tinyint DECLARE @intManagersPosition tinyint DECLARE @intGroupPosition tinyint DECLARE @intSelfPosition tinyint DECLARE @intTeamPosition tinyint SET @intMyCounter = 1 -- Table that will hold the subtotals... DECLARE @tblTotalsSource table ( IdCompetency int, CompetencyName nvarchar(200), FunctionRequiredLevel float, ManagersAverageAssessment float, SelfAssessment float, GroupAverageAssessment float, TeamAverageAssessment float ) INSERT INTO @tblTotalsSource ( IdCompetency, CompetencyName, FunctionRequiredLevel, ManagersAverageAssessment, SelfAssessment, GroupAverageAssessment, TeamAverageAssessment ) SELECT e.[IdCompetency], dbo.replaceAccentChar(e.[Name]) AS CompetencyName, (i.[LevelNumber]) AS FunctionRequiredLevel, ( SELECT ROUND(avg(CAST(ac.[LevelNumber] AS float)),0) FROM Spel_CM_AssessmentsData aa INNER JOIN Spel_CM_CompetenciesLevels ab ON aa.[IdCompetencyLevel] = ab.[IdCompetencyLevel] INNER JOIN Spel_CM_Levels ac ON ab.[IdLevel] = ac.[IdLevel] INNER JOIN Spel_CM_AssessmentsEvents ad ON aa.[IdAssessmentEvent] = ad.[IdAssessmentEvent] WHERE aa.[EvaluatedUserId] = @UserId AND aa.[AssessmentType] = 't' AND aa.[IdGroup] = @IdGroup AND ab.[IdCompetency] = e.[IdCompetency] AND ad.[IdAssessment] = @IdAssessment ) AS ManagersAverageAssessment, ( SELECT bc.[LevelNumber] FROM Spel_CM_AssessmentsData ba INNER JOIN Spel_CM_CompetenciesLevels bb ON ba.[IdCompetencyLevel] = bb.[IdCompetencyLevel] INNER JOIN Spel_CM_Levels bc ON bb.[IdLevel] = bc.[IdLevel] INNER JOIN Spel_CM_AssessmentsEvents bd ON ba.[IdAssessmentEvent] = bd.[IdAssessmentEvent] WHERE ba.[EvaluatedUserId] = @UserId AND ba.[AssessmentType] = 's' AND ba.[IdGroup] = @IdGroup AND bb.[IdCompetency] = e.[IdCompetency] AND bd.[IdAssessment] = @IdAssessment ) AS SelfAssessment, ( SELECT ROUND(avg(CAST(cc.[LevelNumber] AS float)),0) FROM Spel_CM_AssessmentsData ca INNER JOIN Spel_CM_CompetenciesLevels cb ON ca.[IdCompetencyLevel] = cb.[IdCompetencyLevel] INNER JOIN Spel_CM_Levels cc ON cb.[IdLevel] = cc.[IdLevel] INNER JOIN Spel_CM_AssessmentsEvents cd ON ca.[IdAssessmentEvent] = cd.[IdAssessmentEvent] WHERE ca.[EvaluatedUserId] = @UserId AND ca.[AssessmentType] = 'g' AND ca.[IdGroup] = @IdGroup AND cb.[IdCompetency] = e.[IdCompetency] AND cd.[IdAssessment] = @IdAssessment ) AS GroupAverageAssessment, ( SELECT ROUND(avg(CAST(dc.[LevelNumber] AS float)),0) FROM Spel_CM_AssessmentsData da INNER JOIN Spel_CM_CompetenciesLevels db ON da.[IdCompetencyLevel] = db.[IdCompetencyLevel] INNER JOIN Spel_CM_Levels dc ON db.[IdLevel] = dc.[IdLevel] INNER JOIN Spel_CM_AssessmentsEvents dd ON da.[IdAssessmentEvent] = dd.[IdAssessmentEvent] WHERE da.[EvaluatedUserId] = @UserId AND da.[AssessmentType] = 'm' AND da.[IdGroup] = @IdGroup AND db.[IdCompetency] = e.[IdCompetency] AND dd.[IdAssessment] = @IdAssessment ) AS TeamAverageAssessment FROM Spel_CM_AssessmentsData a INNER JOIN Spel_CM_AssessmentsEvents c ON a.[IdAssessmentEvent] = c.[IdAssessmentEvent] INNER JOIN Spel_CM_CompetenciesLevels d ON a.[IdCompetencyLevel] = d.[IdCompetencyLevel] INNER JOIN Spel_CM_Competencies e ON d.[IdCompetency] = e.[IdCompetency] INNER JOIN Spel_CM_Levels f ON d.[IdLevel] = f.[IdLevel] -- This will link with user's assigned functions INNER JOIN Spel_CM_FunctionsCompetenciesLevels g ON a.[IdFunction] = g.[IdFunction] INNER JOIN Spel_CM_CompetenciesLevels h ON g.[IdCompetencyLevel] = h.[IdCompetencyLevel] AND e.[IdCompetency] = h.[IdCompetency] INNER JOIN Spel_CM_Levels i ON h.[IdLevel] = i.[IdLevel] WHERE (NOT c.[EndDate] IS NULL) AND a.[EvaluatedUserId] = @UserId AND c.[IdAssessment] = @IdAssessment AND a.[IdGroup] = @IdGroup GROUP BY e.[IdCompetency], e.[Name], i.[LevelNumber] ORDER BY e.[Name] ASC -- This will define the position of each element (managers, group, self and team) SELECT @intManagersPosition = @intMyCounter FROM @tblTotalsSource WHERE NOT ManagersAverageAssessment IS NULL IF IsNumeric(@intManagersPosition) = 1 BEGIN SELECT @intMyCounter += 1 END SELECT @intGroupPosition = @intMyCounter FROM @tblTotalsSource WHERE NOT GroupAverageAssessment IS NULL IF IsNumeric(@intGroupPosition) = 1 BEGIN SELECT @intMyCounter += 1 END SELECT @intSelfPosition = @intMyCounter FROM @tblTotalsSource WHERE NOT SelfAssessment IS NULL IF IsNumeric(@intSelfPosition) = 1 BEGIN SELECT @intMyCounter += 1 END SELECT @intTeamPosition = @intMyCounter FROM @tblTotalsSource WHERE NOT TeamAverageAssessment IS NULL -- This will render the final table for the end user. The tabe will flatten some of the numbers to allow them to be prepared for Google Graphics. SELECT SUBSTRING( ( SELECT ( '|' + REPLACE(ma.[CompetencyName],' ','+')) FROM @tblTotalsSource ma ORDER BY ma.[CompetencyName] DESC FOR XML PATH('') ), 2, 1000) AS 'CompetenciesNames', SUBSTRING( ( SELECT ( ',' + REPLACE(ra.[FunctionRequiredLevel]*10,' ','+')) FROM @tblTotalsSource ra FOR XML PATH('') ), 2, 1000) AS 'FunctionRequiredLevel', SUBSTRING( ( SELECT ( ',' + CAST(na.[ManagersAverageAssessment]*10 AS nvarchar(10))) FROM @tblTotalsSource na FOR XML PATH('') ), 2, 1000) AS 'ManagersAverageAssessment', SUBSTRING( ( SELECT ( ',' + CAST(oa.[GroupAverageAssessment]*10 AS nvarchar(10))) FROM @tblTotalsSource oa FOR XML PATH('') ), 2, 1000) AS 'GroupAverageAssessment', SUBSTRING( ( SELECT ( ',' + CAST(pa.[SelfAssessment]*10 AS nvarchar(10))) FROM @tblTotalsSource pa FOR XML PATH('') ), 2, 1000) AS 'SelfAssessment', SUBSTRING( ( SELECT ( ',' + CAST(qa.[TeamAverageAssessment]*10 AS nvarchar(10))) FROM @tblTotalsSource qa FOR XML PATH('') ), 2, 1000) AS 'TeamAverageAssessment', SUBSTRING( ( SELECT ( '|t++' + CAST([FunctionRequiredLevel] AS varchar(10)) + ',' + @RequiredColor + ',0,' + CAST(ROW_NUMBER() OVER(ORDER BY CompetencyName) - 1 AS varchar(2)) + ',9') FROM @tblTotalsSource FOR XML PATH('') ), 2, 1000) AS 'FunctionRequiredAverageLabel', SUBSTRING( ( SELECT ( '|t++' + CAST([ManagersAverageAssessment] AS varchar(10)) + ',' + @ManagersColor + ',' + CAST(@intManagersPosition AS varchar(2)) + ',' + CAST(ROW_NUMBER() OVER(ORDER BY CompetencyName) - 1 AS varchar(2)) + ',9') FROM @tblTotalsSource FOR XML PATH('') ), 2, 1000) AS 'ManagersLabel', SUBSTRING( ( SELECT ( '|t++' + CAST([GroupAverageAssessment] AS varchar(10)) + ',' + @GroupColor + ',' + CAST(@intGroupPosition AS varchar(2)) + ',' + CAST(ROW_NUMBER() OVER(ORDER BY CompetencyName) - 1 AS varchar(2)) + ',9') FROM @tblTotalsSource FOR XML PATH('') ), 2, 1000) AS 'GroupLabel', SUBSTRING( ( SELECT ( '|t++' + CAST([SelfAssessment] AS varchar(10)) + ',' + @SelfColor + ',' + CAST(@intSelfPosition AS varchar(2)) + ',' + CAST(ROW_NUMBER() OVER(ORDER BY CompetencyName) - 1 AS varchar(2)) + ',9') FROM @tblTotalsSource FOR XML PATH('') ), 2, 1000) AS 'SelfLabel', SUBSTRING( ( SELECT ( '|t++' + CAST([TeamAverageAssessment] AS varchar(10)) + ',' + @TeamColor + ',' + CAST(@intTeamPosition AS varchar(2)) + ',' + CAST(ROW_NUMBER() OVER(ORDER BY CompetencyName) - 1 AS varchar(2)) + ',10') FROM @tblTotalsSource FOR XML PATH('') ), 2, 1000) AS 'TeamLabel', (Count(src.[IdCompetency]) * 30) + 100 AS 'ControlHeight' FROM @tblTotalsSource src SET NOCOUNT OFF GO

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• Active directory 1355 0x54b ERROR_NO_SUCH_DOMAIN

  - by Elgreco08

  Hi! I have 3 domain controlers 2x 2008 1x 2003 server When i use the nltest /server:dcN.domain.local /sc_verify:domain.local i get: on the 2 of them OK status on one of them i get I_NetLogonControl failed: Status = 1355 0x54b ERROR_NO_SUCH_DOMAIN i did some tests and when i moved the role "Domain Role Owner" from the server i had the error to another DC the error moved also is there any connection with the Domain role owner role? and the 1355 error? //// To be more clear about: dc1 server FMSO role "domain owner role" testing nltest /sc_verify:domain.local error: I_NetLogonControl failed: Status = 1355 0x54b ERROR_NO_SUCH_DOMAIN dc2 server no FMSO role testing nltest /sc_verify:domain.local success now i move fmso domain owner rule to server DC2 dc1 server FMSO none testing nltest /sc_verify:domain.local sucess dc2 server FMSO role "domain owner role" testing nltest /sc_verify:domain.local error: I_NetLogonControl failed: Status = 1355 0x54b ERROR_NO_SUCH_DOMAIN

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• SCVMM 2012 R2 - Installing Virtual Switch Fails with Error 2916

  - by Brian M.

  So I've been attempting to teach myself SCVMM 2012 and Hyper-V Server 2012 R2, and I seem to have hit a snag. I've connected my Hyper-V Host to SCVMM 2012 successfully, and created a logical network, logical switch, and uplink port profile (which I essentially blew through with the default settings). However when I attempt to create a virtual switch on my Hyper-V host, I run into an issue. The job will use my logical network settings I created to configure the virtual switch, but when it tries to apply it to the host, it stalls and eventually fails with the following error: Error (2916) VMM is unable to complete the request. The connection to the agent vmhost1.test.loc was lost. WinRM: URL: [h**p://vmhost1.test.loc:5985], Verb: [GET], Resource: [h**p://schemas.microsoft.com/wbem/wsman/1/wmi/root/virtualization/v2/Msvm_ConcreteJob?InstanceID=2F401A71-14A2-4636-9B3E-10C0EE942D33] Unknown error (0x80338126) Recommended Action Ensure that the Windows Remote Management (WinRM) service and the VMM agent are installed and running and that a firewall is not blocking HTTP/HTTPS traffic. Ensure that VMM server is able to communicate with econ-hyperv2.econ.loc over WinRM by successfully running the following command: winrm id –r:vmhost1.test.loc This problem can also be caused by a Windows Management Instrumentation (WMI) service crash. If the server is running Windows Server 2008 R2, ensure that KB 982293 (h**p://support.microsoft.com/kb/982293) is installed on it. If the error persists, restart vmhost1.test.loc and then try the operation again. Refer to h**p://support.microsoft.com/kb/2742275 for more details. I restarted the server, and upon booting am greeted with a message stating "No active network adapters found." I load up powershell and run "Get-NetAdapter -IncludeHidden" to see what's going on, and get the following: Name InterfaceDescription ifIndex Status ---- -------------------- ------- ----- Local Area Connection* 5 WAN Miniport (PPPOE) 6 Di... Ethernet Microsoft Hyper-V Network Switch Def... 10 Local Area Connection* 1 WAN Miniport (L2TP) 2 Di... Local Area Connection* 8 WAN Miniport (Network Monitor) 9 Up Local Area Connection* 4 WAN Miniport (PPTP) 5 Di... Ethernet 2 Broadcom NetXtreme Gigabit Ethernet 13 Up Local Area Connection* 7 WAN Miniport (IPv6) 8 Up Local Area Connection* 9 Microsoft Kernel Debug Network Adapter 11 No... Local Area Connection* 3 WAN Miniport (IKEv2) 4 Di... Local Area Connection* 2 WAN Miniport (SSTP) 3 Di... vSwitch (TEST Test Swi... Hyper-V Virtual Switch Extension Ada... 17 Up Local Area Connection* 6 WAN Miniport (IP) 7 Up Now the machine is no longer visible on the network, and I don't have the slightest idea what went wrong, and more importantly how to undo the damage I caused in order to get back to where I was (save for re-installing Hyper-V Server, but I really would rather know what's going on and how to fix it)! Does anybody have any ideas? Much appreciated!

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• Twitter gem - undefined method `stringify_keys’

  - by Piet

  Have you been getting the following errors when running the Twitter gem lately ? /usr/local/lib/ruby/gems/1.8/gems/httparty-0.4.3/lib/httparty/response.rb:15:in `send': undefined method `stringify_keys' for # (NoMethodError) from /usr/local/lib/ruby/gems/1.8/gems/httparty-0.4.3/lib/httparty/response.rb:15:in `method_missing’ from /usr/local/lib/ruby/gems/1.8/gems/mash-0.0.3/lib/mash.rb:131:in `deep_update’ from /usr/local/lib/ruby/gems/1.8/gems/mash-0.0.3/lib/mash.rb:50:in `initialize’ from /usr/local/lib/ruby/gems/1.8/gems/twitter-0.6.13/lib/twitter/search.rb:101:in `new’ from /usr/local/lib/ruby/gems/1.8/gems/twitter-0.6.13/lib/twitter/search.rb:101:in `fetch’ from test.rb:26 It’s because Twitter has been sending back plain text errors that are treated as a string instead of json and can’t be properly ‘Mashed’ by the Twitter gem. Also check http://github.com/jnunemaker/twitter/issues#issue/6. Without diving into the bowels of the Twitter gem or HTTParty, you could ‘begin…rescue’ this error and try again in 5 minutes. I fixed it by overriding the offending code to return nil and checking for a nil response as follows: module Twitter class Search def fetch(force=false) if @fetch.nil? || force query = @query.dup query[:q] = query[:q].join(' ') query[:format] = 'json' #This line is the hack and whole reason we're monkey-patching at all. response = self.class.get('http://search.twitter.com/search', :query => query, :format => :json) #Our patch: response should be a Hash. If it isnt, return nil. return nil if response.class != Hash @fetch = Mash.new(response) end @fetch end end end (adapted from http://github.com/jnunemaker/twitter/issues#issue/9) If you have a better solution: speak up!

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• Why do I get "unsupported architecture" errors trying to install a Python library in OSX?

  - by Emma518

  I am trying to install a Python library in the Presto package, source http://www.cv.nrao.edu/~sransom/presto/ Using 'gmake fftfit' I get the following error: cd fftfit_src ; f2py-2.7 -c fftfit.pyf *.f running build running config_cc unifing config_cc, config, build_clib, build_ext, build commands --compiler options running config_fc unifing config_fc, config, build_clib, build_ext, build commands --fcompiler options running build_src build_src building extension "fftfit" sources creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7 f2py options: [] f2py: fftfit.pyf Reading fortran codes... Reading file 'fftfit.pyf' (format:free) Post-processing... Block: fftfit Block: cprof Block: fftfit Post-processing (stage 2)... Building modules... Building module "fftfit"... Constructing wrapper function "cprof"... c,amp,pha = cprof(y,[nmax,nh]) Constructing wrapper function "fftfit"... shift,eshift,snr,esnr,b,errb,ngood = fftfit(prof,s,phi,[nmax]) Wrote C/API module "fftfit" to file "/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64- 2.7/fftfitmodule.c" adding '/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7/fortranobject.c' to sources. adding '/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7' to include_dirs. copying /Library/Python/2.7/site-packages/numpy-1.8.2-py2.7-macosx-10.9- intel.egg/numpy/f2py/src/fortranobject.c -> /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7 copying /Library/Python/2.7/site-packages/numpy-1.8.2-py2.7-macosx-10.9-intel.egg/numpy/f2py/src/fortranobject.h -> /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7 build_src: building npy-pkg config files running build_ext customize UnixCCompiler customize UnixCCompiler using build_ext customize Gnu95FCompiler Found executable /usr/local/bin/gfortran customize Gnu95FCompiler customize Gnu95FCompiler using build_ext building 'fftfit' extension compiling C sources C compiler: /usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -arch ppc -arch i386 -arch x86_64 -g -O2 creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var/folders creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var/folders/sx creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h00 00gp/T creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h00 00gp/T/tmp9MmLz8 creating /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h00 00gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7 compile options: '-I/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9- x86_64-2.7 -I/Library/Python/2.7/site-packages/numpy-1.8.2-py2.7-macosx-10.9- intel.egg/numpy/core/include - I/opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c' clang: /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64- 2.7/fftfitmodule.c In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:19: In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/ 5.1/include/limits.h:38: In file included from /usr/include/limits.h:63: /usr/include/sys/cdefs.h:658:2: error: Unsupported architecture #error Unsupported architecture ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:19: In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/ 5.1/include/limits.h:38: In file included from /usr/include/limits.h:64: /usr/include/machine/limits.h:8:2: error: architecture not supported #error architecture not supported ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:67: In file included from /usr/include/_types.h:27: In file included from /usr/include/sys/_types.h:33: /usr/include/machine/_types.h:34:2: error: architecture not supported #error architecture not supported ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:67: In file included from /usr/include/_types.h:27: /usr/include/sys/_types.h:94:9: error: unknown type name '__int64_t' typedef __int64_t __darwin_blkcnt_t; /* total blocks */ ^ /usr/include/sys/_types.h:95:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_blksize_t; /* preferred block size */ ^ /usr/include/sys/_types.h:96:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_dev_t; /* dev_t */ ^ /usr/include/sys/_types.h:99:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_gid_t; /* [???] process and group IDs */ ^ /usr/include/sys/_types.h:100:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_id_t; /* [XSI] pid_t, uid_t, or gid_t*/ ^ /usr/include/sys/_types.h:101:9: error: unknown type name '__uint64_t' typedef __uint64_t __darwin_ino64_t; /* [???] Used for 64 bit inodes */ ^ /usr/include/sys/_types.h:107:9: error: unknown type name '__darwin_natural_t' typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */ ^ /usr/include/sys/_types.h:109:9: error: unknown type name '__uint16_t' typedef __uint16_t __darwin_mode_t; /* [???] Some file attributes */ ^ /usr/include/sys/_types.h:110:9: error: unknown type name '__int64_t' typedef __int64_t __darwin_off_t; /* [???] Used for file sizes */ ^ /usr/include/sys/_types.h:111:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_pid_t; /* [???] process and group IDs */ ^ /usr/include/sys/_types.h:131:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_sigset_t; /* [???] signal set */ ^ /usr/include/sys/_types.h:132:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_suseconds_t; /* [???] microseconds */ ^ /usr/include/sys/_types.h:133:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_uid_t; /* [???] user IDs */ ^ /usr/include/sys/_types.h:134:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_useconds_t; /* [???] microseconds */ ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:71: /usr/include/sys/_types/_va_list.h:31:9: error: unknown type name '__darwin_va_list'; did you mean '__builtin_va_list'? typedef __darwin_va_list va_list; ^ note: '__builtin_va_list' declared here In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:72: /usr/include/sys/_types/_size_t.h:30:9: error: unknown type name '__darwin_size_t'; did you mean '__darwin_ino_t'? typedef __darwin_size_t size_t; ^ /usr/include/sys/_types.h:103:26: note: '__darwin_ino_t' declared here typedef __darwin_ino64_t __darwin_ino_t; /* [???] Used for inodes */ ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:19: In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/5.1/include/limits.h:38: In file included from /usr/include/limits.h:63: /usr/include/sys/cdefs.h:658:2: error: Unsupported architecture #error Unsupported architecture ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:19: In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/ 5.1/include/limits.h:38: In file included from /usr/include/limits.h:64: /usr/include/machine/limits.h:8:2: error: architecture not supported #error architecture not supported ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:67: In file included from /usr/include/_types.h:27: In file included from /usr/include/sys/_types.h:33: /usr/include/machine/_types.h:34:2: error: architecture not supported #error architecture not supported ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:67: In file included from /usr/include/_types.h:27: /usr/include/sys/_types.h:94:9: error: unknown type name '__int64_t' typedef __int64_t __darwin_blkcnt_t; /* total blocks */ ^ /usr/include/sys/_types.h:95:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_blksize_t; /* preferred block size */ ^ /usr/include/sys/_types.h:96:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_dev_t; /* dev_t */ ^ /usr/include/sys/_types.h:99:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_gid_t; /* [???] process and group IDs */ ^ /usr/include/sys/_types.h:100:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_id_t; /* [XSI] pid_t, uid_t, or gid_t*/ ^ /usr/include/sys/_types.h:101:9: error: unknown type name '__uint64_t' typedef __uint64_t __darwin_ino64_t; /* [???] Used for 64 bit inodes */ ^ /usr/include/sys/_types.h:107:9: error: unknown type name '__darwin_natural_t' typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */ ^ /usr/include/sys/_types.h:109:9: error: unknown type name '__uint16_t' typedef __uint16_t __darwin_mode_t; /* [???] Some file attributes */ ^ /usr/include/sys/_types.h:110:9: error: unknown type name '__int64_t' typedef __int64_t __darwin_off_t; /* [???] Used for file sizes */ ^ /usr/include/sys/_types.h:111:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_pid_t; /* [???] process and group IDs */ ^ /usr/include/sys/_types.h:131:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_sigset_t; /* [???] signal set */ ^ /usr/include/sys/_types.h:132:9: error: unknown type name '__int32_t' typedef __int32_t __darwin_suseconds_t; /* [???] microseconds */ ^ /usr/include/sys/_types.h:133:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_uid_t; /* [???] user IDs */ ^ /usr/include/sys/_types.h:134:9: error: unknown type name '__uint32_t' typedef __uint32_t __darwin_useconds_t; /* [???] microseconds */ ^ In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:71: /usr/include/sys/_types/_va_list.h:31:9: error: unknown type name '__darwin_va_list'; did you mean '__builtin_va_list'? typedef __darwin_va_list va_list; ^ note: '__builtin_va_list' declared here In file included from /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7/fftfitmodule.c:16: In file included from /opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:33: In file included from /usr/include/stdio.h:72: /usr/include/sys/_types/_size_t.h:30:9: error: unknown type name '__darwin_size_t'; did you mean '__darwin_ino_t'? typedef __darwin_size_t size_t; ^ /usr/include/sys/_types.h:103:26: note: '__darwin_ino_t' declared here typedef __darwin_ino64_t __darwin_ino_t; /* [???] Used for inodes */ ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. error: Command "/usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -arch ppc -arch i386 -arch x86_64 -g -O2 -I/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx- 10.9-x86_64-2.7 -I/Library/Python/2.7/site-packages/numpy-1.8.2-py2.7-macosx-10.9- intel.egg/numpy/core/include - I/opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7/fftfitmodule.c -o /var/folders/sx/j_l_qvys4bv00_38pfvy3m8h0000gp/T/tmp9MmLz8/var/folders/sx/j_l_qvys4bv00_38pfvy3m8h00 00gp/T/tmp9MmLz8/src.macosx-10.9-x86_64-2.7/fftfitmodule.o" failed with exit status 1 Makefile:5: recipe for target 'fftfit' failed gmake: *** [fftfit] Error 1 How can I solve this architecture problem?

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• Inside the Concurrent Collections: ConcurrentBag

  - by Simon Cooper

  Unlike the other concurrent collections, ConcurrentBag does not really have a non-concurrent analogy. As stated in the MSDN documentation, ConcurrentBag is optimised for the situation where the same thread is both producing and consuming items from the collection. We'll see how this is the case as we take a closer look. Again, I recommend you have ConcurrentBag open in a decompiler for reference. Thread Statics ConcurrentBag makes heavy use of thread statics - static variables marked with ThreadStaticAttribute. This is a special attribute that instructs the CLR to scope any values assigned to or read from the variable to the executing thread, not globally within the AppDomain. This means that if two different threads assign two different values to the same thread static variable, one value will not overwrite the other, and each thread will see the value they assigned to the variable, separately to any other thread. This is a very useful function that allows for ConcurrentBag's concurrency properties. You can think of a thread static variable: [ThreadStatic] private static int m_Value; as doing the same as: private static Dictionary<Thread, int> m_Values; where the executing thread's identity is used to automatically set and retrieve the corresponding value in the dictionary. In .NET 4, this usage of ThreadStaticAttribute is encapsulated in the ThreadLocal class. Lists of lists ConcurrentBag, at its core, operates as a linked list of linked lists: Each outer list node is an instance of ThreadLocalList, and each inner list node is an instance of Node. Each outer ThreadLocalList is owned by a particular thread, accessible through the thread local m_locals variable: private ThreadLocal<ThreadLocalList<T>> m_locals It is important to note that, although the m_locals variable is thread-local, that only applies to accesses through that variable. The objects referenced by the thread (each instance of the ThreadLocalList object) are normal heap objects that are not specific to any thread. Thinking back to the Dictionary analogy above, if each value stored in the dictionary could be accessed by other means, then any thread could access the value belonging to other threads using that mechanism. Only reads and writes to the variable defined as thread-local are re-routed by the CLR according to the executing thread's identity. So, although m_locals is defined as thread-local, the m_headList, m_nextList and m_tailList variables aren't. This means that any thread can access all the thread local lists in the collection by doing a linear search through the outer linked list defined by these variables. Adding items So, onto the collection operations. First, adding items. This one's pretty simple. If the current thread doesn't already own an instance of ThreadLocalList, then one is created (or, if there are lists owned by threads that have stopped, it takes control of one of those). Then the item is added to the head of that thread's list. That's it. Don't worry, it'll get more complicated when we account for the other operations on the list! Taking & Peeking items This is where it gets tricky. If the current thread's list has items in it, then it peeks or removes the head item (not the tail item) from the local list and returns that. However, if the local list is empty, it has to go and steal another item from another list, belonging to a different thread. It iterates through all the thread local lists in the collection using the m_headList and m_nextList variables until it finds one that has items in it, and it steals one item from that list. Up to this point, the two threads had been operating completely independently. To steal an item from another thread's list, the stealing thread has to do it in such a way as to not step on the owning thread's toes. Recall how adding and removing items both operate on the head of the thread's linked list? That gives us an easy way out - a thread trying to steal items from another thread can pop in round the back of another thread's list using the m_tail variable, and steal an item from the back without the owning thread knowing anything about it. The owning thread can carry on completely independently, unaware that one of its items has been nicked. However, this only works when there are at least 3 items in the list, as that guarantees there will be at least one node between the owning thread performing operations on the list head and the thread stealing items from the tail - there's no chance of the two threads operating on the same node at the same time and causing a race condition. If there's less than three items in the list, then there does need to be some synchronization between the two threads. In this case, the lock on the ThreadLocalList object is used to mediate access to a thread's list when there's the possibility of contention. Thread synchronization In ConcurrentBag, this is done using several mechanisms: Operations performed by the owner thread only take out the lock when there are less than three items in the collection. With three or greater items, there won't be any conflict with a stealing thread operating on the tail of the list. If a lock isn't taken out, the owning thread sets the list's m_currentOp variable to a non-zero value for the duration of the operation. This indicates to all other threads that there is a non-locked operation currently occuring on that list. The stealing thread always takes out the lock, to prevent two threads trying to steal from the same list at the same time. After taking out the lock, the stealing thread spinwaits until m_currentOp has been set to zero before actually performing the steal. This ensures there won't be a conflict with the owning thread when the number of items in the list is on the 2-3 item borderline. If any add or remove operations are started in the meantime, and the list is below 3 items, those operations try to take out the list's lock and are blocked until the stealing thread has finished. This allows a thread to steal an item from another thread's list without corrupting it. What about synchronization in the collection as a whole? Collection synchronization Any thread that operates on the collection's global structure (accessing anything outside the thread local lists) has to take out the collection's global lock - m_globalListsLock. This single lock is sufficient when adding a new thread local list, as the items inside each thread's list are unaffected. However, what about operations (such as Count or ToArray) that need to access every item in the collection? In order to ensure a consistent view, all operations on the collection are stopped while the count or ToArray is performed. This is done by freezing the bag at the start, performing the global operation, and unfreezing at the end: The global lock is taken out, to prevent structural alterations to the collection. m_needSync is set to true. This notifies all the threads that they need to take out their list's lock irregardless of what operation they're doing. All the list locks are taken out in order. This blocks all locking operations on the lists. The freezing thread waits for all current lockless operations to finish by spinwaiting on each m_currentOp field. The global operation can then be performed while the bag is frozen, but no other operations can take place at the same time, as all other threads are blocked on a list's lock. Then, once the global operation has finished, the locks are released, m_needSync is unset, and normal concurrent operation resumes. Concurrent principles That's the essence of how ConcurrentBag operates. Each thread operates independently on its own local list, except when they have to steal items from another list. When stealing, only the stealing thread is forced to take out the lock; the owning thread only has to when there is the possibility of contention. And a global lock controls accesses to the structure of the collection outside the thread lists. Operations affecting the entire collection take out all locks in the collection to freeze the contents at a single point in time. So, what principles can we extract here? Threads operate independently Thread-static variables and ThreadLocal makes this easy. Threads operate entirely concurrently on their own structures; only when they need to grab data from another thread is there any thread contention. Minimised lock-taking Even when two threads need to operate on the same data structures (one thread stealing from another), they do so in such a way such that the probability of actually blocking on a lock is minimised; the owning thread always operates on the head of the list, and the stealing thread always operates on the tail. Management of lockless operations Any operations that don't take out a lock still have a 'hook' to force them to lock when necessary. This allows all operations on the collection to be stopped temporarily while a global snapshot is taken. Hopefully, such operations will be short-lived and infrequent. That's all the concurrent collections covered. I hope you've found it as informative and interesting as I have. Next, I'll be taking a closer look at ThreadLocal, which I came across while analyzing ConcurrentBag. As you'll see, the operation of this class deserves a much closer look.

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• Type Casting variables in PHP: Is there a practical example?

  - by Stephen

  PHP, as most of us know, has weak typing. For those who don't, PHP.net says: PHP does not require (or support) explicit type definition in variable declaration; a variable's type is determined by the context in which the variable is used. Love it or hate it, PHP re-casts variables on-the-fly. So, the following code is valid: $var = "10"; $value = 10 + $var; var_dump($value); // int(20) PHP also alows you to explicitly cast a variable, like so: $var = "10"; $value = 10 + $var; $value = (string)$value; var_dump($value); // string(2) "20" That's all cool... but, for the life of me, I cannot conceive of a practical reason for doing this. I don't have a problem with strong typing in languages that support it, like Java. That's fine, and I completely understand it. Also, I'm aware of—and fully understand the usefulness of—type hinting in function parameters. The problem I have with type casting is explained by the above quote. If PHP can swap types at-will, it can do so even after you force cast a type; and it can do so on-the-fly when you need a certain type in an operation. That makes the following valid: $var = "10"; $value = (int)$var; $value = $value . ' TaDa!'; var_dump($value); // string(8) "10 TaDa!" So what's the point? Can anyone show me a practical application or example of type casting—one that would fail if type casting were not involved? I ask this here instead of SO because I figure practicality is too subjective. Edit in response to Chris' comment Take this theoretical example of a world where user-defined type casting makes sense in PHP: You force cast variable $foo as int -- (int)$foo. You attempt to store a string value in the variable $foo. PHP throws an exception!! <--- That would make sense. Suddenly the reason for user defined type casting exists! The fact that PHP will switch things around as needed makes the point of user defined type casting vague. For example, the following two code samples are equivalent: // example 1 $foo = 0; $foo = (string)$foo; $foo = '# of Reasons for the programmer to type cast $foo as a string: ' . $foo; // example 2 $foo = 0; $foo = (int)$foo; $foo = '# of Reasons for the programmer to type cast $foo as a string: ' . $foo; UPDATE Guess who found himself using typecasting in a practical environment? Yours Truly. The requirement was to display money values on a website for a restaurant menu. The design of the site required that trailing zeros be trimmed, so that the display looked something like the following: Menu Item 1 .............. $ 4 Menu Item 2 .............. $ 7.5 Menu Item 3 .............. $ 3 The best way I found to do that wast to cast the variable as a float: $price = '7.50'; // a string from the database layer. echo 'Menu Item 2 .............. $ ' . (float)$price; PHP trims the float's trailing zeros, and then recasts the float as a string for concatenation.

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• URL Rewrite – Protocol (http/https) in the Action

  - by OWScott

  IIS URL Rewrite supports server variables for pretty much every part of the URL and http header. However, there is one commonly used server variable that isn’t readily available.  That’s the protocol—HTTP or HTTPS. You can easily check if a page request uses HTTP or HTTPS, but that only works in the conditions part of the rule.  There isn’t a variable available to dynamically set the protocol in the action part of the rule.  What I wish is that there would be a variable like {HTTP_PROTOCOL} which would have a value of ‘HTTP’ or ‘HTTPS’.  There is a server variable called {HTTPS}, but the values of ‘on’ and ‘off’ aren’t practical in the action.  You can also use {SERVER_PORT} or {SERVER_PORT_SECURE}, but again, they aren’t useful in the action. Let me illustrate.  The following rule will redirect traffic for http(s)://localtest.me/ to http://www.localtest.me/. <rule name="Redirect to www"> <match url="(.*)" /> <conditions> <add input="{HTTP_HOST}" pattern="^localtest\.me$" /> </conditions> <action type="Redirect" url="http://www.localtest.me/{R:1}" /> </rule> The problem is that it forces the request to HTTP even if the original request was for HTTPS. Interestingly enough, I planned to blog about this topic this week when I noticed in my twitter feed yesterday that Jeff Graves, a former colleague of mine, just wrote an excellent blog post about this very topic.  He beat me to the punch by just a couple days.  However, I figured I would still write my blog post on this topic.  While his solution is a excellent one, I personally handle this another way most of the time.  Plus, it’s a commonly asked question that isn’t documented well enough on the web yet, so having another article on the web won’t hurt. I can think of four different ways to handle this, and depending on your situation you may lean towards any of the four.  Don’t let the choices overwhelm you though.  Let’s keep it simple, Option 1 is what I use most of the time, Option 2 is what Jeff proposed and is the safest option, and Option 3 and Option 4 need only be considered if you have a more unique situation.  All four options will work for most situations. Option 1 – CACHE_URL, single rule There is a server variable that has the protocol in it; {CACHE_URL}.  This server variable contains the entire URL string (e.g. http://www.localtest.me:80/info.aspx?id=5)  All we need to do is extract the HTTP or HTTPS and we’ll be set. This tends to be my preferred way to handle this situation. Indeed, Jeff did briefly mention this in his blog post: … you could use a condition on the CACHE_URL variable and a back reference in the rewritten URL. The problem there is that you then need to match all of the conditions which could be a problem if your rule depends on a logical “or” match for conditions. Thus the problem.  If you have multiple conditions set to “Match Any” rather than “Match All” then this option won’t work.  However, I find that 95% of all rules that I write use “Match All” and therefore, being the lazy administrator that I am I like this simple solution that only requires adding a single condition to a rule.  The caveat is that if you use “Match Any” then you must consider one of the next two options. Enough with the preamble.  Here’s how it works.  Add a condition that checks for {CACHE_URL} with a pattern of “^(.+)://” like so: How you have a back-reference to the part before the ://, which is our treasured HTTP or HTTPS.  In URL Rewrite 2.0 or greater you can check the “Track capture groups across conditions”, make that condition the first condition, and you have yourself a back-reference of {C:1}. The “Redirect to www” example with support for maintaining the protocol, will become: <rule name="Redirect to www" stopProcessing="true"> <match url="(.*)" /> <conditions trackAllCaptures="true"> <add input="{CACHE_URL}" pattern="^(.+)://" /> <add input="{HTTP_HOST}" pattern="^localtest\.me$" /> </conditions> <action type="Redirect" url="{C:1}://www.localtest.me/{R:1}" /> </rule> It’s not as easy as it would be if Microsoft gave us a built-in {HTTP_PROTOCOL} variable, but it’s pretty close. I also like this option since I often create rule examples for other people and this type of rule is portable since it’s self-contained within a single rule. Option 2 – Using a Rewrite Map For a safer rule that works for both “Match Any” and “Match All” situations, you can use the Rewrite Map solution that Jeff proposed.  It’s a perfectly good solution with the only drawback being the ever so slight extra effort to set it up since you need to create a rewrite map before you create the rule.  In other words, if you choose to use this as your sole method of handling the protocol, you’ll be safe. After you create a Rewrite Map called MapProtocol, you can use “{MapProtocol:{HTTPS}}” for the protocol within any rule action.  Following is an example using a Rewrite Map. <rewrite> <rules> <rule name="Redirect to www" stopProcessing="true"> <match url="(.*)" /> <conditions trackAllCaptures="false"> <add input="{HTTP_HOST}" pattern="^localtest\.me$" /> </conditions> <action type="Redirect" url="{MapProtocol:{HTTPS}}://www.localtest.me/{R:1}" /> </rule> </rules> <rewriteMaps> <rewriteMap name="MapProtocol"> <add key="on" value="https" /> <add key="off" value="http" /> </rewriteMap> </rewriteMaps> </rewrite> Option 3 – CACHE_URL, Multi-rule If you have many rules that will use the protocol, you can create your own server variable which can be used in subsequent rules. This option is no easier to set up than Option 2 above, but you can use it if you prefer the easier to remember syntax of {HTTP_PROTOCOL} vs. {MapProtocol:{HTTPS}}. The potential issue with this rule is that if you don’t have access to the server level (e.g. in a shared environment) then you cannot set server variables without permission. First, create a rule and place it at the top of the set of rules.  You can create this at the server, site or subfolder level.  However, if you create it at the site or subfolder level then the HTTP_PROTOCOL server variable needs to be approved at the server level.  This can be achieved in IIS Manager by navigating to URL Rewrite at the server level, clicking on “View Server Variables” from the Actions pane, and added HTTP_PROTOCOL. If you create the rule at the server level then this step is not necessary.  Following is an example of the first rule to create the HTTP_PROTOCOL and then a rule that uses it.  The Create HTTP_PROTOCOL rule only needs to be created once on the server. <rule name="Create HTTP_PROTOCOL"> <match url=".*" /> <conditions logicalGrouping="MatchAll" trackAllCaptures="false"> <add input="{CACHE_URL}" pattern="^(.+)://" /> </conditions> <serverVariables> <set name="HTTP_PROTOCOL" value="{C:1}" /> </serverVariables> <action type="None" /> </rule>   <rule name="Redirect to www" stopProcessing="true"> <match url="(.*)" /> <conditions logicalGrouping="MatchAll" trackAllCaptures="false"> <add input="{HTTP_HOST}" pattern="^localtest\.me$" /> </conditions> <action type="Redirect" url="{HTTP_PROTOCOL}://www.localtest.me/{R:1}" /> </rule> Option 4 – Multi-rule Just to be complete I’ll include an example of how to achieve the same thing with multiple rules. I don’t see any reason to use it over the previous examples, but I’ll include an example anyway.  Note that it will only work with the “Match All” setting for the conditions. <rule name="Redirect to www - http" stopProcessing="true"> <match url="(.*)" /> <conditions logicalGrouping="MatchAll" trackAllCaptures="false"> <add input="{HTTP_HOST}" pattern="^localtest\.me$" /> <add input="{HTTPS}" pattern="off" /> </conditions> <action type="Redirect" url="http://www.localtest.me/{R:1}" /> </rule> <rule name="Redirect to www - https" stopProcessing="true"> <match url="(.*)" /> <conditions logicalGrouping="MatchAll" trackAllCaptures="false"> <add input="{HTTP_HOST}" pattern="^localtest\.me$" /> <add input="{HTTPS}" pattern="on" /> </conditions> <action type="Redirect" url="https://www.localtest.me/{R:1}" /> </rule> Conclusion Above are four working examples of methods to call the protocol (HTTP or HTTPS) from the action of a URL Rewrite rule.  You can use whichever method you most prefer.  I’ve listed them in the order that I favor them, although I could see some people preferring Option 2 as their first choice.  In any of the cases, hopefully you can use this as a reference for when you need to use the protocol in the rule’s action when writing your URL Rewrite rules. Further information: Viewing all Server Variable for a site. URL Parts available to URL Rewrite Rules Further URL Rewrite articles

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• nginx can't load images,css,js

  - by EquinoX

  When I point to a URL in nginx where it has images extension such as: http://50.56.81.42/phpMyAdmin/themes/original/img/logo_right.png (as example) it gives me the 404 error as it can't find the file, but the file is actually there. What is potentially wrong? UPDATE: Here's the error log that I was able to pull out: 2011/02/27 05:53:29 [error] 18679#0: *225 open() "/usr/local/nginx/html/phpMyAdmin/js/mooRainbow/mooRainbow.css" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/js/mooRainbow/mooRainbow.css HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:53:29 [error] 18679#0: *226 open() "/usr/local/nginx/html/phpMyAdmin/print.css" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/print.css HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:53:29 [error] 18679#0: *228 open() "/usr/local/nginx/html/phpMyAdmin/themes/original/img/logo_right.png" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/themes/original/img/logo_right.png HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:53:29 [error] 18679#0: *223 open() "/usr/local/nginx/html/phpMyAdmin/themes/original/img/b_help.png" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/themes/original/img/b_help.png HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:53:29 [error] 18679#0: *227 open() "/usr/local/nginx/html/phpMyAdmin/themes/original/img/s_warn.png" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/themes/original/img/s_warn.png HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:53:29 [error] 18679#0: *227 open() "/usr/local/nginx/html/phpMyAdmin/favicon.ico" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/favicon.ico HTTP/1.1", host: "50.56.81.42" 2011/02/27 05:54:39 [error] 18679#0: *237 open() "/usr/local/nginx/html/phpMyAdmin/print.css" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/print.css HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:54:39 [error] 18679#0: *235 open() "/usr/local/nginx/html/phpMyAdmin/js/mooRainbow/mooRainbow.css" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/js/mooRainbow/mooRainbow.css HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:54:39 [error] 18679#0: *238 open() "/usr/local/nginx/html/phpMyAdmin/themes/original/img/logo_right.png" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/themes/original/img/logo_right.png HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:54:39 [error] 18679#0: *239 open() "/usr/local/nginx/html/phpMyAdmin/themes/original/img/b_help.png" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/themes/original/img/b_help.png HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:54:39 [error] 18679#0: *233 open() "/usr/local/nginx/html/phpMyAdmin/themes/original/img/s_warn.png" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/themes/original/img/s_warn.png HTTP/1.1", host: "50.56.81.42", referrer: "http://50.56.81.42/phpMyAdmin/main.php" 2011/02/27 05:54:39 [error] 18679#0: *233 open() "/usr/local/nginx/html/phpMyAdmin/favicon.ico" failed (2: No such file or directory), client: 70.176.18.156, server: localhost, request: "GET /phpMyAdmin/favicon.ico HTTP/1.1", host: "50.56.81.42" Here's my nginx.conf file, in case I am missing something: #user nobody; worker_processes 1; #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info; #pid logs/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log logs/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; #gzip on; server { listen 80; server_name localhost; #charset koi8-r; #access_log logs/host.access.log main; location / { root html; index index.html index.htm; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } location ~ \.(js|css|png|jpg|jpeg|gif|ico|html)$ { expires max; } # proxy the PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ \.php$ { # proxy_pass http://127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # location ~ \.php$ { root /usr/share/nginx/html; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html$fastcgi_script_name; include fastcgi_params; } # deny access to .htaccess files, if Apache's document root # concurs with nginx's one location ~ /\.ht { deny all; } } # another virtual host using mix of IP-, name-, and port-based configuration # #server { # listen 8000; # listen somename:8080; # server_name somename alias another.alias; # location / { # root html; # index index.html index.htm; # } #} # HTTPS server # #server { # listen 443; # server_name localhost; # ssl on; # ssl_certificate cert.pem; # ssl_certificate_key cert.key; # ssl_session_timeout 5m; # ssl_protocols SSLv2 SSLv3 TLSv1; # ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP; # ssl_prefer_server_ciphers on; # location / { # root html; # index index.html index.htm; # } #} } What does this mean? It can't pull out the .css, etc....

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