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• Oracle Database Recovery Problem

  - by Palani

  I am very new to Oracle, and trying to restore a oracle 8i database on win 2000 server. I have one week old database backup (backup taken with exp command), and i want to restore it now. Now I am unable to login through sqlplus (got shutdown in progress error) I have a backup and i want to restore it, but oracle is not starting at all, and 'imp' command is failing. I started sqlplus / as sysdba and following is the log of what i am trying to do. Can some one guide me further. SQL> shutdown immediate; ORA-01109: database not open Database dismounted. ORACLE instance shut down. SQL> startup; ORACLE instance started. Total System Global Area 143423516 bytes Fixed Size 75804 bytes Variable Size 58105856 bytes Database Buffers 85164032 bytes Redo Buffers 77824 bytes Database mounted. ORA-01589: must use RESETLOGS or NORESETLOGS option for database open SQL> shutdown immediate; ORA-01109: database not open Database dismounted. ORACLE instance shut down. SQL> startup mount; ORACLE instance started. Total System Global Area 143423516 bytes Fixed Size 75804 bytes Variable Size 58105856 bytes Database Buffers 85164032 bytes Redo Buffers 77824 bytes Database mounted. SQL> alter database open; alter database open * ERROR at line 1: ORA-01589: must use RESETLOGS or NORESETLOGS option for database open SQL> alter database open resetlogs; alter database open resetlogs * ERROR at line 1: ORA-01245: offline file 1 will be lost if RESETLOGS is done ORA-01110: data file 1: 'C:\ORACLE\ORADATA\ABCD\SYSTEM01.DBF'

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• Redirect before rewrite

  - by Kirk Strobeck

  Had an issue where I need to redirect old URLs, but not disable the mod_rewrite for page structure. redirect 301 /home.html http://www.url.com/ It needs to live on the Symphony 2.0 .htaccess file ### Symphony 2.0.x ### Options +FollowSymlinks -Indexes <IfModule mod_rewrite.c> RewriteEngine on RewriteBase / ### DO NOT APPLY RULES WHEN REQUESTING "favicon.ico" RewriteCond %{REQUEST_FILENAME} favicon.ico [NC] RewriteRule .* - [S=14] ### IMAGE RULES RewriteRule ^image\/(.+\.(jpg|gif|jpeg|png|bmp))$ extensions/jit_image_manipulation/lib/image.php?param=$1 [L,NC] ### CHECK FOR TRAILING SLASH - Will ignore files RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} !/$ RewriteCond %{REQUEST_URI} !(.*)/$ RewriteRule ^(.*)$ $1/ [L,R=301] ### ADMIN REWRITE RewriteRule ^symphony\/?$ index.php?mode=administration&%{QUERY_STRING} [NC,L] RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^symphony(\/(.*\/?))?$ index.php?symphony-page=$1&mode=administration&%{QUERY_STRING} [NC,L] ### FRONTEND REWRITE - Will ignore files and folders RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*\/?)$ index.php?symphony-page=$1&%{QUERY_STRING} [L] </IfModule> ###### Updated redirect 301 ^home.html http://www.url.com/ [L] ### Symphony 2.0.x ### Options +FollowSymlinks -Indexes <IfModule mod_rewrite.c> RewriteEngine on RewriteCond %{HTTP_HOST} !^www\.krista-swim\.com [NC] RewriteRule ^(.*)$ http://www.krista-swim.com/$1 [L,R=301] RewriteBase / ### DO NOT APPLY RULES WHEN REQUESTING "favicon.ico" RewriteCond %{REQUEST_FILENAME} favicon.ico [NC] RewriteRule .* - [S=14] ### IMAGE RULES RewriteRule ^image\/(.+\.(jpg|gif|jpeg|png|bmp))$ extensions/jit_image_manipulation/lib/image.php?param=$1 [L,NC] ### CHECK FOR TRAILING SLASH - Will ignore files RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} !/$ RewriteCond %{REQUEST_URI} !(.*)/$ RewriteRule ^(.*)$ $1/ [L,R=301] ### ADMIN REWRITE RewriteRule ^symphony\/?$ index.php?mode=administration&%{QUERY_STRING} [NC,L] RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^symphony(\/(.*\/?))?$ index.php?symphony-page=$1&mode=administration&%{QUERY_STRING} [NC,L] ### FRONTEND REWRITE - Will ignore files and folders RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*\/?)$ index.php?symphony-page=$1&%{QUERY_STRING} [L] </IfModule> ######

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• Relation between server_name in nginx sites-available, /etc/hosts file and A-records

  - by user2818584

  I have the following two server-blocks in my config-file in sites-available: server { listen 80; server_name www.mydomain.be; root /usr/share/nginx/html; index index.html index.htm; location / { try_files $uri $uri/ =404; } } server { listen 80; server_name sub.mydomain.be; root /usr/share/nginx/sub; index index.html index.htm; location / { try_files $uri $uri/ =404; } } I also created an A-record for both www.domain.be and sub.domain.be with the IP of my server as value. Yet, when I try to reload my nginx configuration with service nginx reload it fails. When I remove the second server-block, it reloads as expected. I know this topic is popular, and that there are loads of such [nginx][subdomain] questions here, but none of them seems to discuss explicitly how the following three things hang together: virtual hosts or server blocks in nginx (est. server_name matching) the effect of A-records on how nginx processes requests the need to add hosts to /etc/hosts Right now I have the impression that a lack of knowledge of this bigger picture, rather than specific knowledge of nginx configuration prevents me from making this work.

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• Oracle: Getting ORA-01195 and ORA-01110 when attempting resetlogs

  - by MacAnthony

  I am trying to get our database to startup. When I login to sqlplus and do a startup, I get the message: Total System Global Area 534462464 bytes Fixed Size 2215064 bytes Variable Size 331350888 bytes Database Buffers 192937984 bytes Redo Buffers 7958528 bytes Database mounted. ORA-01589: must use RESETLOGS or NORESETLOGS option for database open So I do a shutdown, startup mount (which works fine) and then run: SQL> alter database recover using backup controlfile until cancel; alter database recover using backup controlfile until cancel * ERROR at line 1: ORA-00283: recovery session canceled due to errors ORA-19909: datafile 1 belongs to an orphan incarnation ORA-01110: data file 1: '/<path>/system01.dbf' SQL> alter database open resetlogs; alter database open resetlogs * ERROR at line 1: ORA-01195: online backup of file 1 needs more recovery to be consistent ORA-01110: data file 1: '/<path>/system01.dbf' I know I've used instructions to get me past this error before, but I seem to be having trouble tracking it down. A bit of history: We wanted to refresh the data in this from another db so we attempted to do a expdb/impdb into this instance. The impdb did not complete correctly and got an end of file error message in it and hung (I still have the message in a log if it's important). Since the instance would start at this point, we decided to use the hotbackup process we have to restore the db. The hotbackups are from another server/instance. We went through the same process 2 weeks ago. At the point of recreating the control file is where we got to the issue above.

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• HTTPS/HTTP redirects via .htaccess

  - by Winston

  I have a somehow complicated problem I am trying to solve. I've used the following .htaccess directive to enable some sort of Pretty URLs, and that worked fine. For example, http://myurl.com/shop would be redirected to http://myurl.com/index.php/shop, and that was well working (note that stuff such as myurl.com/css/mycss.css) does not get redirected: RewriteEngine on RewriteCond ${REQUEST_URI} !^(index\.php$) RewriteCond %{SCRIPT_FILENAME} !-f RewriteCond %{SCRIPT_FILENAME} !-d RewriteRule ^/?(.*)$ index.php/$1 [L] But now, as I have introduced SSL to my webpage, I want the following behaviour: I basically want the above behaviour for all pages except admin.php and login.php. Requests to those two pages should be redirected to the HTTPS part, whereas all other requests should be processed as specified above. I have come up with the following .htaccess, but it does not work. h*tps://myurl.com/shop does not get redirected to h*tp://myurl.com/index.php/shop, and h*tp://myurl.com/admin.php does not get redirected to h*tps://myurl.com/admin.php. RewriteEngine on RewriteCond %{HTTPS} on RewriteCond %{REQUEST_URI} !^(admin\.php$|login\.php$) RewriteRule ^(.*)$ http://%{HTTP_HOST}/${REQUEST_URI} [R=301,L] RewriteCond %{HTTPS} off RewriteCond %{REQUEST_URI} ^(admin\.php$|login\.php$) RewriteRule ^(.*)$ https://myurl.com/%{REQUEST_URI} [R=301,L] RewriteCond %{REQUEST_URI} !^(index\.php$) RewriteCond %{SCRIPT_FILENAME} !-f RewriteCond %{SCRIPT_FILENAME} !-d RewriteRule ^/?(.*)$ index.php/$1 [L] I know it has something to do with rules overwriting each other, but I am not sure since my knowledge of Apache is quite limited. How could I fix this apparently not that difficult problem, and how could I make my .htaccess more compact and elegant? Help is very much appreciated, thank you!

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• CentOS 6.5 x64 + Ajendi +nginx + php-fpm + mysql setup unable to load the PHP page

  - by Francis

  I'm using Ajendi to setup a PHP web server, I can load the PHP info page, when I try to load the PHP copy from other server, I get a blank page with this log appear on access log, I have no clue what was wrong and troubleshoot further, please advice. x.x.x.x - - [28/May/2014:10:08:37 -0400] "GET /index.php HTTP/1.1" 200 31 "-" "Mozilla/5.0 (Windows NT 6.1; rv:29.0) Gecko/20100101 Firefox/29.0" 2.6.32-431.1.2.0.1.el6.x86_64 cat /etc/redhat-release CentOS release 6.5 (Final) The vhost config AUTOMATICALLY GENERATED - DO NO EDIT! server { listen *:80; server_name test.com www.test.com; access_log /var/log/nginx/access.log; error_log /var/log/nginx/error.log; root /www; index index.html index.htm index.php; location ~ \.php$ { alias /www; fastcgi_index index.php; include fcgi.conf; fastcgi_pass unix:/var/run/php-fcgi-php-fcgi-0.sock; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; } }

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• Coldfusion:-Firefox can't establish a connection to the server at localhost

  - by Fransis

  I installed Coldfusion 8 trial version on my system (XP Professional sp3). I created an Folder in the “C:/Coldfusion8/wwwroot” called “buildProject” containing an Index.cfm and some other .cfm files. But I am unable to access the Neither my project files or CFIDE/Administrator I tried the following URLS http://localhost:8500/wwwroot/buildProject/ http://localhost:8500/CFIDE/administrator/index.cfm http:// 127.0.0.1:8500/wwwroot/buildProject/ http:// 127.0.0.1:8500/CFIDE/administrator/index.cfm http://localhost /wwwroot/buildProject/index.cfm http://localhost /CFIDE/administrator/index.cfm http://localhost /wwwroot/buildProject/ http://localhost /CFIDE/administrator/index.cfm Firefox can't establish a connection to the server at 127.0.0.1:8500. The site could be temporarily unavailable or too busy. Try again in a few moments. If you are unable to load any pages, check your computer's network connection. If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. • I cleared the browsing “History” from both IE and FF. • I have restarted the CF server in the Control Panel Administrative Tools Services • Even restarted the IIS Getting the same error. Further I was trying to access IE/FF via CFbuilder But still I am getting the error “The connection was refused when attempting to contact [URL].” My inetpub is in the D rive where as CF8 is in C drive Also when i check IIS-5 Control Panel Admin tools Services I do not find the Localhost under web sites or FTP sites. Kindly help me with a fix.

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• IIS 6 Denies access to the default document

  - by Jim

  I've got Windows Server 2k3 with IIS6 hosting a couple ASP.NET MVC 2 applications (.NET 4), all in the Default Web Site. Most of them simply use Integrated authentication, but a couple use forms as well. All the applications work properly and are correctly accessible. The problem I'm trying to resolve is access to the default document. It is currently specified as index.htm. Both index.htm and the Default Web Site are configured to allow anonymous access (with none of the authenticated acces boxes checked). However, access is denied to the file. Accessing via server.domain.tld/ and server.domain.tld/index.htm both yield 401 errors. However, server.domain.tld/default.htm (file does not exist) properly returns a 404. If I alter the file security on index.htm to allow integrated authentication, then requesting /index.htm directly works properly for users with domain accounts, but anonymous users get a login prompt/401. How can I configure IIS to allow all users to view index.htm via server.domain.tld/?

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• Restricting access to one controller of an MVC app with Nginx

  - by kgb

  I have an MVC app where one controller needs to be accessible only from several ips(this controller is an oauth token callback trap - for google/fb api tokens). My conf looks like this: geo $oauth { default 0; 87.240.156.0/24 1; 87.240.131.0/24 1; } server { listen 80; server_name some.server.name.tld default_server; root /home/user/path; index index.php; location /oauth { deny all; if ($oauth) { rewrite ^(.*)$ /index.php last; } } location / { if ($request_filename !~ "\.(phtml|html|htm|jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|mid|midi|wav|bmp|rtf|js|xlsx)$") { rewrite ^(.*)$ /index.php last; break; } } location ~ \.php$ { fastcgi_pass unix:/var/run/php5-fpm.sock; fastcgi_index index.php; include fastcgi_params; } } It works, but does not look right. The following seems logical to me: location /oauth { allow 87.240.156.0/24; deny all; rewrite ^(.*)$ /index.php last; } But this way rewrite happens all the time, allow and deny directives are ignored. I don't understand why...

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• Nginx: Rewriting directory path to file

  - by Doug

  I'm a little new to Nginx here so bear with me - I want to rewrite a url like foo.bar.com/newfoo?limit=30 to foo.bar.com/newfoo.php?limit=30. Seems pretty simple to do it something like this rewrite ^([a-z]+)(.*)$ $1.php$2 last; The part that I am confused about is where to put it - I've tried my hand at a some location directives but I'm doing it wrong. Here's my existing virtual host config, where should I implement my rewrite? server { listen 80; listen [::]:80; server_name foo.bar.com; root /home/foo; index index.php index.html index.htm; location / { try_files $uri $uri/ /index.html; } location /doc/ { alias /usr/share/doc/; autoindex on; allow 127.0.0.1; deny all; } location ~ \.php$ { try_files $uri =404; fastcgi_split_path_info ^(.+\.php)(/.+)$; include fastcgi_params; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_pass unix:/tmp/php5-fpm.sock; fastcgi_index index.php; } } Thanks!

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• SQL SERVER – Simple Example to Configure Resource Governor – Introduction to Resource Governor

  - by pinaldave

  Let us jump right away with question and answer mode. What is resource governor? Resource Governor is a feature which can manage SQL Server Workload and System Resource Consumption. We can limit the amount of CPU and memory consumption by limiting /governing /throttling on the SQL Server. Why is resource governor required? If there are different workloads running on SQL Server and each of the workload needs different resources or when workloads are competing for resources with each other and affecting the performance of the whole server resource governor is a very important task. What will be the real world example of need of resource governor? Here are two simple scenarios where the resource governor can be very useful. Scenario 1: A server which is running OLTP workload and various resource intensive reports on the same server. The ideal situation is where there are two servers which are data synced with each other and one server runs OLTP transactions and the second server runs all the resource intensive reports. However, not everybody has the luxury to set up this kind of environment. In case of the situation where reports and OLTP transactions are running on the same server, limiting the resources to the reporting workload it can be ensured that OTLP’s critical transaction is not throttled. Scenario 2: There are two DBAs in one organization. One DBA A runs critical queries for business and another DBA B is doing maintenance of the database. At any point in time the DBA A’s work should not be affected but at the same time DBA B should be allowed to work as well. The ideal situation is that when DBA B starts working he get some resources but he can’t get more than defined resources. Does SQL Server have any default resource governor component? Yes, SQL Server have two by default created resource governor component. 1) Internal –This is used by database engine exclusives and user have no control. 2) Default – This is used by all the workloads which are not assigned to any other group. What are the major components of the resource governor? Resource Pools Workload Groups Classification In simple words here is what the process of resource governor is. Create resource pool Create a workload group Create classification function based on the criteria specified Enable Resource Governor with classification function Let me further explain you the same with graphical image. Is it possible to configure resource governor with T-SQL? Yes, here is the code for it with explanation in between. Step 0: Here we are assuming that there are separate login accounts for Reporting server and OLTP server. /*----------------------------------------------- Step 0: (Optional and for Demo Purpose) Create Two User Logins 1) ReportUser, 2) PrimaryUser Use ReportUser login for Reports workload Use PrimaryUser login for OLTP workload -----------------------------------------------*/ Step 1: Creating Resource Pool We are creating two resource pools. 1) Report Server and 2) Primary OLTP Server. We are giving only a few resources to the Report Server Pool as described in the scenario 1 the other server is mission critical and not the report server. ----------------------------------------------- -- Step 1: Create Resource Pool ----------------------------------------------- -- Creating Resource Pool for Report Server CREATE RESOURCE POOL ReportServerPool WITH ( MIN_CPU_PERCENT=0, MAX_CPU_PERCENT=30, MIN_MEMORY_PERCENT=0, MAX_MEMORY_PERCENT=30) GO -- Creating Resource Pool for OLTP Primary Server CREATE RESOURCE POOL PrimaryServerPool WITH ( MIN_CPU_PERCENT=50, MAX_CPU_PERCENT=100, MIN_MEMORY_PERCENT=50, MAX_MEMORY_PERCENT=100) GO Step 2: Creating Workload Group We are creating two workloads each mapping to each of the resource pool which we have just created. ----------------------------------------------- -- Step 2: Create Workload Group ----------------------------------------------- -- Creating Workload Group for Report Server CREATE WORKLOAD GROUP ReportServerGroup USING ReportServerPool ; GO -- Creating Workload Group for OLTP Primary Server CREATE WORKLOAD GROUP PrimaryServerGroup USING PrimaryServerPool ; GO Step 3: Creating user defiled function which routes the workload to the appropriate workload group. In this example we are checking SUSER_NAME() and making the decision of Workgroup selection. We can use other functions such as HOST_NAME(), APP_NAME(), IS_MEMBER() etc. ----------------------------------------------- -- Step 3: Create UDF to Route Workload Group ----------------------------------------------- CREATE FUNCTION dbo.UDFClassifier() RETURNS SYSNAME WITH SCHEMABINDING AS BEGIN DECLARE @WorkloadGroup AS SYSNAME IF(SUSER_NAME() = 'ReportUser') SET @WorkloadGroup = 'ReportServerGroup' ELSE IF (SUSER_NAME() = 'PrimaryServerPool') SET @WorkloadGroup = 'PrimaryServerGroup' ELSE SET @WorkloadGroup = 'default' RETURN @WorkloadGroup END GO Step 4: In this final step we enable the resource governor with the classifier function created in earlier step 3. ----------------------------------------------- -- Step 4: Enable Resource Governer -- with UDFClassifier ----------------------------------------------- ALTER RESOURCE GOVERNOR WITH (CLASSIFIER_FUNCTION=dbo.UDFClassifier); GO ALTER RESOURCE GOVERNOR RECONFIGURE GO Step 5: If you are following this demo and want to clean up your example, you should run following script. Running them will disable your resource governor as well delete all the objects created so far. ----------------------------------------------- -- Step 5: Clean Up -- Run only if you want to clean up everything ----------------------------------------------- ALTER RESOURCE GOVERNOR WITH (CLASSIFIER_FUNCTION = NULL) GO ALTER RESOURCE GOVERNOR DISABLE GO DROP FUNCTION dbo.UDFClassifier GO DROP WORKLOAD GROUP ReportServerGroup GO DROP WORKLOAD GROUP PrimaryServerGroup GO DROP RESOURCE POOL ReportServerPool GO DROP RESOURCE POOL PrimaryServerPool GO ALTER RESOURCE GOVERNOR RECONFIGURE GO I hope this introductory example give enough light on the subject of Resource Governor. In future posts we will take this same example and learn a few more details. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: Resource Governor

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• Exadata?????????INSERT?UPDATE

  - by Liu Maclean(???)

  Hybrid Columnar Compression??????Exadata?????????????,??????????(advanced compression)??,Hybrid columnar compression (HCC) ???Exadata????????HCC???????????CU(compression unit?????),??CU??????????,?????????????????????????,???CU????block??????????????? ???????INSERT/UPDATE??,??????????????,????UPDATE/INSERT???HCC?????????????????? hybrid columnar compression???????????????(bulk initial load)??,??????(direct load)??ALTER TABLE MOVE, IMPDP???????(append INSERT),??HCC??????????????????????? ???????????????????,?????????CU????????? ??????????????HCC?????????????for OLTP?????? ????????: SQL*Plus: Release 11.2.0.2.0 Production on Wed Sep 12 06:14:53 2012 Copyright (c) 1982, 2010, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production With the Partitioning, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SQL> grant dba to scott; Grant succeeded. SQL> conn scott/oracle Connected. SQL> SQL> create table hcc_maclean tablespace users compress for query high as select * from dba_objects; Table created. 1* select rowid,owner,object_name,dbms_rowid.rowid_block_number(rowid) from hcc_maclean where owner='MACLEAN' SQL> / ROWID OWNER OBJECT_NAME DBMS_ROWID.ROWID_BLOCK_NUMBER(ROWID) ------------------------------ ------------------------------ -------------------- ------------------------------------ AAAThuAAEAAAHTJAOI MACLEAN SALES 29897 AAAThuAAEAAAHTJAOJ MACLEAN MYCUSTOMERS 29897 AAAThuAAEAAAHTJAOK MACLEAN MYCUST_ARCHIVE 29897 AAAThuAAEAAAHTJAOL MACLEAN MYCUST_QUERY 29897 AAAThuAAEAAAHTJAOh MACLEAN COMPRESS_QUERY 29897 AAAThuAAEAAAHTJAOi MACLEAN UNCOMPRESS 29897 AAAThuAAEAAAHTJAOj MACLEAN CHAINED_ROWS 29897 AAAThuAAEAAAHTJAOk MACLEAN COMPRESS_QUERY1 29897 8 rows selected. select dbms_rowid.rowid_block_number(rowid),dbms_rowid.rowid_relative_fno(rowid) from hcc_maclean where owner='MACLEAN'; session A: update hcc_maclean set OBJECT_NAME=OBJECT_NAME||'DBM' where rowid='AAAThuAAEAAAHTJAOI'; session B: update hcc_maclean set OBJECT_NAME=OBJECT_NAME||'DBM' where rowid='AAAThuAAEAAAHTJAOJ'; SQL> select sid,wait_event_text,BLOCKER_SID from v$wait_chains; SID WAIT_EVENT_TEXT BLOCKER_SID ---------- ---------------------------------------------------------------- ----------- 13 enq: TX - row lock contention 136 136 SQL*Net message from client ????session A block B,????HCC???update row??CU?????CU?????? SQL> alter system checkpoint; System altered. SQL> / System altered. SQL> alter system dump datafile 4 block 29897 2 ; Block header dump: 0x010074c9 Object id on Block? Y seg/obj: 0x1386e csc: 0x00.1cad7e itc: 3 flg: E typ: 1 - DATA brn: 0 bdba: 0x10074c8 ver: 0x01 opc: 0 inc: 0 exflg: 0 Itl Xid Uba Flag Lck Scn/Fsc 0x01 0xffff.000.00000000 0x00000000.0000.00 C--- 0 scn 0x0000.001cabfa 0x02 0x000a.00a.00000430 0x00c051a7.0169.17 ---- 1 fsc 0x0000.00000000 0x03 0x0000.000.00000000 0x00000000.0000.00 ---- 0 fsc 0x0000.00000000 avsp=0x14 tosp=0x14 r0_9ir2=0x0 mec_kdbh9ir2=0x0 76543210 shcf_kdbh9ir2=---------- 76543210 flag_9ir2=--R----- Archive compression: Y fcls_9ir2[0]={ } 0x16:pti[0] nrow=1 offs=0 0x1a:pri[0] offs=0x30 block_row_dump: tab 0, row 0, @0x30 tl: 8016 fb: --H-F--N lb: 0x2 cc: 1 ==>??CU??ITL 0x02 nrid: 0x010074ca.0 col 0: [8004] Compression level: 02 (Query High) Length of CU row: 8004 kdzhrh: ------PC CBLK: 1 Start Slot: 00 NUMP: 01 PNUM: 00 POFF: 7984 PRID: 0x010074ca.0 CU header: CU version: 0 CU magic number: 0x4b445a30 CU checksum: 0xf8faf86e CU total length: 8694 CU flags: NC-U-CRD-OP ncols: 15 nrows: 995 algo: 0 CU decomp length: 8487 len/value length: 100111 row pieces per row: 1 num deleted rows: 1 deleted rows: 904, START_CU: ????????????row?????: SQL> select DBMS_COMPRESSION.GET_COMPRESSION_TYPE('SCOTT','HCC_MACLEAN','AAAThuAAEAAAHTJAOk') from dual; DBMS_COMPRESSION.GET_COMPRESSION_TYPE('SCOTT','HCC_MACLEAN','AAATHUAAEAAAHTJAOK' -------------------------------------------------------------------------------- 4 COMP_NOCOMPRESS CONSTANT NUMBER := 1;COMP_FOR_OLTP CONSTANT NUMBER := 2;COMP_FOR_QUERY_HIGH CONSTANT NUMBER := 4;COMP_FOR_QUERY_LOW CONSTANT NUMBER := 8;COMP_FOR_ARCHIVE_HIGH CONSTANT NUMBER := 16;COMP_FOR_ARCHIVE_LOW CONSTANT NUMBER := 32; COMP_RATIO_MINROWS CONSTANT NUMBER := 1000000;COMP_RATIO_ALLROWS CONSTANT NUMBER := -1; ?????????????,??COMP_FOR_QUERY_HIGH?4,COMP_FOR_QUERY_LOW ?8 ?????????GET_COMPRESSION_TYPE??rowid????????4?????COMP_FOR_QUERY_HIGH????: SQL> update hcc_maclean set OBJECT_NAME=OBJECT_NAME||'DBM' where owner='MACLEAN'; 8 rows updated. SQL> commit; Commit complete. SQL> select DBMS_COMPRESSION.GET_COMPRESSION_TYPE('SCOTT','HCC_MACLEAN',rowid) from HCC_MACLEAN where owner='MACLEAN'; DBMS_COMPRESSION.GET_COMPRESSION_TYPE('SCOTT','HCC_MACLEAN',ROWID) ------------------------------------------------------------------ 1 1 1 1 1 1 1 1 8 rows selected. ??????????????COMPRESSION_TYPE?COMP_FOR_QUERY_HIGH???COMP_NOCOMPRESS,????????compress for query high????????????????? ?11g????????????????????HCC??????????? ALTER TABLE MOVE???????????????????HCC??? SQL> ALTER TABLE hcc_MACLEAN move COMPRESS FOR ARCHIVE HIGH; Table altered. SQL> select DBMS_COMPRESSION.GET_COMPRESSION_TYPE('SCOTT','HCC_MACLEAN',rowid) from HCC_MACLEAN where owner='MACLEAN'; DBMS_COMPRESSION.GET_COMPRESSION_TYPE('SCOTT','HCC_MACLEAN',ROWID) ------------------------------------------------------------------ 16 16 16 16 16 16 16 16 8 rows selected.

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• java AbstractMethodError

  - by Akhil

  How to handle this error in lucene: java.lang.AbstractMethodError: org.apache.lucene.store.Directory.listAll()[Ljava/lang/String; at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:568) at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:69) at org.apache.lucene.index.IndexReader.open(IndexReader.java:316) at org.apache.lucene.index.IndexReader.open(IndexReader.java:188) I am making a lucene function call but unfortunately it itself calls an abstract method of some class, as is evident from the error above. What is the work around for this? Thanks, --Akhil

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• display MultiPolygonField data on Geodjango/OpenLayers

  - by Markos Gogoulos

  Hi all, I'm a Geodjango novice and would like to get some help on the following: I have a MultiPolygonField field, for a GeoDjango application, and would like to display it on my view as cool as it gets displayed on django admin Say for example I have def index(request): "Index,main view" border = WorldBorders.objects.get(name='Italy') return render_to_response('world/index.html', {'user': request.user, 'border': border}, context_instance=RequestContext(request)) then on world/index.html, what is the way to display the border, as it would be on django admin? Thanks in advance for all replies!

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• Superfish: How to keep sub menu open after it has been clicked

  - by Roland

  I'm having the following scenario. I have a menu and if one hovers over the menu a sub menu appears and if mouse moves out the sub menu disappears, now I want the following if I click on the on a item in the sub menu, I want the sub-menu to remain open, when the new page has been loaded. I'm using superfish Jquery plugin for this. Is this possible and if how. my code in html <div id="nav"> <div id="nav2"> <ul class="sf-menu sf-navbar "> <li> <a title="HOME" class="sf-with-ul " href="/index.php?r=site/index&amp;sid=1">HOME</a> </li> </ul> <ul class="sf-menu sf-navbar"> <li> <a href="?sid=2" id="gallery" class="sf-with-ul selected_main">GALLERY</a> <ul class="subs" id="sub1"><li class="arrow"><img src="images/arrow.gif" /></li><li><a title="Kitchens" href="/index.php?r=images/sddsd&amp;id=1">Kitchens</a></li><li><a title="Vanities" href="/index.php?r=images/sddsd&amp;id=2">Vanities</a></li></ul> </li> </ul> <ul class="sf-menu sf-navbar "> <li> <a href="?sid=3" class="sf-with-ul " >ACCESSORIES</a> <ul class="subs" id=""><li class="arrow"><img src="images/arrow.gif" /></li><li><a title="Door Handles" href="/index.php?r=images/sddsd&amp;id=2">Door Handles</a></li><li><a title="Spanners" href="/index.php?r=images/sddsd&amp;id=1">Spanners</a></li></ul> </li> </ul> <ul class="sf-menu sf-navbar "> <li> <a title="CONTACT US" class="sf-with-ul " href="/index.php?r=site/contact&amp;sid=4">CONTACT US</a> </li> </ul> </div> </div> and then the superfish code $(function(){ $("ul.sf-menu").superfish({ delay: 0, speed: 'fast', autoArrows: false, dropShadows: false }); }); I've also noticed that the following css code is used to display the item left: 0; top: 2.5em; z-index: 99;

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• mvc action link error message

  - by user281180

  What is wrong with this statement? <%= Html.ActionLink("Assign Users", new { Controller="Users", Action="Index", Query="Index", Page=2932 })% I`m having the following error: Error 10 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'ActionLink' and the best extension method overload 'System.Web.Mvc.Html.LinkExtensions.ActionLink(System.Web.Mvc.HtmlHelper, string, string)' has some invalid arguments c:\Code\MvcUI\Views\Project\Index.aspx 17 22 MvcUI Error 11 Argument '3': cannot convert from 'AnonymousType#1' to 'string' c:\Code\MvcUI\Views\Project\Index.aspx 17 54 MvcUI

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• Url User Friendly, hide original address with variables

  - by user1075086

  this is my simple htaccess that redirect all calls to index.php or to error.php It work fine but I would hide the original address from the address bar. #Options +FollowSymLinks RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_URI} !^/index.php RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.feed|\.pdf|\.raw|/[^.]*)$ [NC] RewriteRule (.*) index.php [L] ErrorDocument 404 /error.php Now if I go on www.mysite.com/news/last I can view www.mysite.com/index.php?p=news&section=last but I wish it did not change in the address bar. Thanks in advance ;)

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• Trying to create tiny urls, getting redirect loop.

  - by Gary

  I'm trying to create tiny urls like this: site.com/abc123 goes to: site.com/index.php?token=abc123 but I keep getting redirect loops no matter what I try, or it tries to redirect to index.php?token=index.php.. Current .htaccess is: Options +FollowSymLinks Options -MultiViews RewriteEngine On RewriteRule ^([^/]*)$ /index.php?token=$1 [L]

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• Linked List Design

  - by Jim Scott

  The other day in a local .NET group I attend the following question came up: "Is it a valid interview question to ask about Linked Lists when hiring someone for a .NET development position?" Not having a computer sciense degree and being a self taught developer my response was that I did not feel it was appropriate as I in 5 years of developer with .NET had never been exposed to linked lists and did not hear any compeling reason for a use for one. However the person commented that it is a very common interview question so I decided when I left that I would do some reasearch on linked lists and see what I might be missing. I have read a number of posts on stack overflow and various google searches and decided the best way to learn about them was to write my own .NET classes to see how they worked from the inside out. Here is my class structure Single Linked List Constructor public SingleLinkedList(object value) Public Properties public bool IsTail public bool IsHead public object Value public int Index public int Count private fields not exposed to a property private SingleNode firstNode; private SingleNode lastNode; private SingleNode currentNode; Methods public void MoveToFirst() public void MoveToLast() public void Next() public void MoveTo(int index) public void Add(object value) public void InsertAt(int index, object value) public void Remove(object value) public void RemoveAt(int index) Questions I have: What are typical methods you would expect in a linked list? What is typical behaviour when adding new records? For example if I have 4 nodes and I am currently positioned in the second node and perform Add() should it be added after or before the current node? Or should it be added to the end of the list? Some of the designs I have seen explaining things seem to expose outside of the LinkedList class the Node object. In my design you simply add, get, remove values and know nothing about any node object. Should the Head and Tail be placeholder objects that are only used to define the head/tail of the list? I require my Linked List be instantiated with a value which creates the first node of the list which is essentially the head and tail of the list. Would you change that ? What should the rules be when it comes to removing nodes. Should someone be able to remove all nodes? Here is my Double Linked List Constructor public DoubleLinkedList(object value) Properties public bool IsHead public bool IsTail public object Value public int Index public int Count Private fields not exposed via property private DoubleNode currentNode; Methods public void AddFirst(object value) public void AddLast(object value) public void AddBefore(object existingValue, object value) public void AddAfter(object existingValue, object value) public void Add(int index, object value) public void Add(object value) public void Remove(int index) public void Next() public void Previous() public void MoveTo(int index)

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• How can I simplify my nested sinatra routes?

  - by yaya3

  I require nested subdirectories in my sinatra app, how can I simplify this repetitive code? # ------------- SUB1 -------------- get "/:theme/:sub1/?" do haml :"pages/#{params[:theme]}/#{params[:sub1]}/index" end # ------------- SUB2 -------------- get "/:theme/:sub1/:sub2/?" do haml :"pages/#{params[:theme]}/#{params[:sub1]}/#{params[:sub2]}/index" end # ------------- SUB3 -------------- get "/:theme/:sub1/:sub2/:sub3/?" do haml :"pages/#{params[:theme]}/#{params[:sub1]}/#{params[:sub2]}/#{params[:sub3]}/index" end # ------------- SUB4 -------------- get "/:theme/:sub1/:sub2/:sub3/:sub4/?" do haml :"pages/#{params[:theme]}/#{params[:sub1]}/#{params[:sub2]}/#{params[:sub3]}/#{params[:sub4]}/index" end

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• BST insert operation. don't insert a node if a duplicate exists already

  - by jeev

  the following code reads an input array, and constructs a BST from it. if the current arr[i] is a duplicate, of a node in the tree, then arr[i] is discarded. count in the struct node refers to the number of times a number appears in the array. fi refers to the first index of the element found in the array. after the insertion, i am doing a post-order traversal of the tree and printing the data, count and index (in this order). the output i am getting when i run this code is: 0 0 7 0 0 6 thank you for your help. Jeev struct node{ int data; struct node *left; struct node *right; int fi; int count; }; struct node* binSearchTree(int arr[], int size); int setdata(struct node**node, int data, int index); void insert(int data, struct node **root, int index); void sortOnCount(struct node* root); void main(){ int arr[] = {2,5,2,8,5,6,8,8}; int size = sizeof(arr)/sizeof(arr[0]); struct node* temp = binSearchTree(arr, size); sortOnCount(temp); } struct node* binSearchTree(int arr[], int size){ struct node* root = (struct node*)malloc(sizeof(struct node)); if(!setdata(&root, arr[0], 0)) fprintf(stderr, "root couldn't be initialized"); int i = 1; for(;i<size;i++){ insert(arr[i], &root, i); } return root; } int setdata(struct node** nod, int data, int index){ if(*nod!=NULL){ (*nod)->fi = index; (*nod)->left = NULL; (*nod)->right = NULL; return 1; } return 0; } void insert(int data, struct node **root, int index){ struct node* new = (struct node*)malloc(sizeof(struct node)); setdata(&new, data, index); struct node** temp = root; while(1){ if(data<=(*temp)->data){ if((*temp)->left!=NULL) *temp=(*temp)->left; else{ (*temp)->left = new; break; } } else if(data>(*temp)->data){ if((*temp)->right!=NULL) *temp=(*temp)->right; else{ (*temp)->right = new; break; } } else{ (*temp)->count++; free(new); break; } } } void sortOnCount(struct node* root){ if(root!=NULL){ sortOnCount(root->left); sortOnCount(root->right); printf("%d %d %d\n", (root)->data, (root)->count, (root)->fi); } }

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• bash: assign grep regex results to array

  - by Ryan

  Hello everyone, I am trying to assign a regular expression result to an array inside of a bash script but I am unsure whether that's possible, or if I'm doing it entirely wrong. The below is what I want to happen, however I know my syntax is incorrect: indexes[4]=$(echo b5f1e7bfc2439c621353d1ce0629fb8b | grep -o '[a-f0-9]\{8\}') such that: index[1]=b5f1e7bf index[2]=c2439c62 index[3]=1353d1ce index[4]=0629fb8b Any links, or advice, would be wonderful :)

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• Remove all dots except the first one from a string

  - by Šime Vidas

  Given a string '1.2.3.4.5' I would like to get this output '1.2345' I wrote this function process( input ) { var index = input.indexOf( '.' ); if ( index ) { input = input.substr( 0, index + 1 ) + input.slice( index ).replace( /\./g, '' ); } return input; } Live demo: http://jsfiddle.net/EDTNK/ It works but I was hoping for a slightly more elegant solution...

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• how to make grid column as drop down list for all rows using jquery

  - by kumar

  Hello friends.. colNames: ['A','B','C','D'], colModel: [ { name: 'A', index: 'A', width: 90 }, { name: 'B', index: 'B', width: 100 }, { name: 'C', index: 'C', width: 70 }, { name: 'D', index: 'D', edittype: 'select', width: 100, editoptions: { value: { 1: 'Yes', 2: 'No'}} } ], My concersn here is.. I am displying A B C D values from db2... for Last Column D I need to put defalut drop down list for all the rows. Thanks can any body help me out.. thanks

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• Generic Dictionary C#

  - by pm_2

  I have a class that inherits from a generic dictionary as follows: Class myClass : System.Collections.Generic.Dictionary<int, Object> I have added a list of values to this in a particular order, but I now wish to change that order. Is there any way (without removing and re-adding) that I could effectively re-index the values; so change the object at index 1 to now be at index 10 for example? For example, this doesn't work: myClass[1].Index = 10;

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