How to
This category has the following 2 subcategories, out of 2 total.
The following 18 pages are in this category, out of 18 total.
The following 3 files are in this category, out of 3 total.
Start request GET /wiki/Category:How-to
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(end headers)[session] SessionManager using store APCUBagOStuff[localisation] LocalisationCache using store LCStoreCDB[session] SessionBackend "b56fau7ns95teqd4ik76tga0vm97r022" is unsaved, marking dirty in constructor[session] SessionBackend "b56fau7ns95teqd4ik76tga0vm97r022" save: dataDirty=1 metaDirty=1 forcePersist=0[cookie] already deleted setcookie: "bikebike_mw__session", "", "1707033195", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_UserID", "", "1707033195", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_Token", "", "1707033195", "/", "", "1", "1", ""[cookie] already deleted setcookie: "forceHTTPS", "", "1707033195", "/", "", "", "1", ""[session] SessionBackend "b56fau7ns95teqd4ik76tga0vm97r022" data dirty due to dirty(): MediaWiki\Session\SessionManager->getSessionForRequest/MediaWiki\Session\SessionManager->getInitialSession/MediaWiki\Session\Session->getToken/MediaWiki\Session\Session->set/MediaWiki\Session\SessionBackend->dirty[session] SessionBackend "b56fau7ns95teqd4ik76tga0vm97r022" save: dataDirty=1 metaDirty=0 forcePersist=0[SQLBagOStuff] MainObjectStash using store ReplicatedBagOStuff[DBQuery] Wikimedia\Rdbms\DatabaseMysqlBase::open [0s] database_staging: SET group_concat_max_len = 262144, `sql_mode` = ''[DBReplication] Wikimedia\Rdbms\LBFactory::getChronologyProtector: request info {
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}[DBReplication] ChronologyProtector using store APCUBagOStuff[DBReplication] ChronologyProtector fetching positions for 00aba87f0d2b34d22fa7da60bd405aff[DBReplication] Wikimedia\Rdbms\ChronologyProtector::applySessionReplicationPosition: DEFAULT (database_staging) has no position[DBConnection] Wikimedia\Rdbms\LoadBalancer::lazyLoadReplicationPositions: executed chronology callback.[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: opened new connection for local/0[DBQuery] Wikimedia\Rdbms\Database::beginIfImplied (WikiPage::pageData) [0s] database_staging: BEGIN[DBQuery] WikiPage::pageData [0.001s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_random,page_touched,page_links_updated,page_latest,page_len,page_content_model FROM `mw_page` WHERE page_namespace = 14 AND page_title = 'How-to' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds [0.001s] database_staging: SELECT rev_id,rev_page,rev_timestamp,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,rev_sha1,comment_rev_comment.comment_text AS `rev_comment_text`,comment_rev_comment.comment_data AS `rev_comment_data`,comment_rev_comment.comment_id AS `rev_comment_cid`,actor_rev_user.actor_user AS `rev_user`,actor_rev_user.actor_name AS `rev_user_text`,rev_actor,page_namespace,page_title,page_id,page_latest,page_is_redirect,page_len,user_name FROM `mw_revision` JOIN `mw_revision_comment_temp` `temp_rev_comment` ON ((temp_rev_comment.revcomment_rev = rev_id)) JOIN `mw_comment` `comment_rev_comment` ON ((comment_rev_comment.comment_id = temp_rev_comment.revcomment_comment_id)) JOIN `mw_actor` `actor_rev_user` ON ((actor_rev_user.actor_id = rev_actor)) JOIN `mw_page` ON ((page_id = rev_page)) LEFT JOIN `mw_user` ON ((actor_rev_user.actor_user != 0) AND (user_id = actor_rev_user.actor_user)) WHERE rev_id = 13860 LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::loadSlotRecordsFromDb [0s] database_staging: SELECT slot_revision_id,slot_content_id,slot_origin,slot_role_id,content_size,content_sha1,content_address,content_model FROM `mw_slots` JOIN `mw_content` ON ((slot_content_id = content_id)) WHERE slot_revision_id = 13860[ContentHandler] Registered handler for wikitext: WikitextContentHandler[MessageCache] MessageCache using store APCUBagOStuff[MessageCache] MessageCache::loadUnguarded: Loading en... got from local cacheParserFactory: using default preprocessorContextSource::getContext (MediaWiki\Skins\Vector\SkinVector22): called and $context is null. Using RequestContext::getMain()[ParserCache] Creating ParserCache instance for pcache[ParserCache] Creating RevisionOutputCache instance for rcacheUnstubbing $wgLang on call of $wgLang::getDatePreferenceMigrationMap from ParserOptions::initDateFormat[DBQuery] Wikimedia\Rdbms\DatabaseMysqlBase::open [0s] database_staging: SET group_concat_max_len = 262144, `sql_mode` = ''[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: opened new connection for localAutoCommit/0[DBQuery] SqlBagOStuff::fetchBlobs [0s] database_staging: SELECT keyname,value,exptime FROM `mw_objectcache` WHERE keyname = 'bikebike-mw_:pcache:idoptions:2818' AND (exptime >= '20250203075315')[SQLBagOStuff] SqlBagOStuff debug: SqlBagOStuff::fetchBlobs: retrieved bikebike-mw_:pcache:idoptions:2818; expiry time is 20250209212335[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for localAutoCommit/0[ParserCache] Parser cache options found[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for localAutoCommit/0[DBQuery] SqlBagOStuff::fetchBlobs [0s] database_staging: SELECT keyname,value,exptime FROM `mw_objectcache` WHERE keyname = 'bikebike-mw_:pcache:idhash:2818-0!canonical' AND (exptime >= '20250203075315')[SQLBagOStuff] SqlBagOStuff debug: SqlBagOStuff::fetchBlobs: retrieved bikebike-mw_:pcache:idhash:2818-0!canonical; expiry time is 20250209212335[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for localAutoCommit/0[ParserCache] ParserOutput cache found[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] OutputPage::addCategoryLinksToLBAndGetResult [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model,pp_value FROM `mw_page` LEFT JOIN `mw_page_props` ON (pp_propname = 'hiddencat' AND (pp_page = page_id)) WHERE ((page_namespace = 14 AND page_title = 'Main'))[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] CategoryViewer::doCategoryQuery [0.002s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model,cl_sortkey,cat_id,cat_title,cat_subcats,cat_pages,cat_files,cl_sortkey_prefix,cl_collation FROM `mw_page` JOIN `mw_categorylinks` FORCE INDEX (cl_sortkey) ON ((cl_from = page_id)) LEFT JOIN `mw_category` ON ((cat_title = page_title) AND page_namespace = 14) WHERE cl_to = 'How-to' AND cl_type = 'page' ORDER BY cl_sortkey LIMIT 201[DBQuery] CategoryViewer::doCategoryQuery [0.001s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model,cl_sortkey,cat_id,cat_title,cat_subcats,cat_pages,cat_files,cl_sortkey_prefix,cl_collation FROM `mw_page` JOIN `mw_categorylinks` FORCE INDEX (cl_sortkey) ON ((cl_from = page_id)) LEFT JOIN `mw_category` ON ((cat_title = page_title) AND page_namespace = 14) WHERE cl_to = 'How-to' AND cl_type = 'subcat' ORDER BY cl_sortkey LIMIT 201[DBQuery] CategoryViewer::doCategoryQuery [0.001s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model,cl_sortkey,cat_id,cat_title,cat_subcats,cat_pages,cat_files,cl_sortkey_prefix,cl_collation FROM `mw_page` JOIN `mw_categorylinks` FORCE INDEX (cl_sortkey) ON ((cl_from = page_id)) LEFT JOIN `mw_category` ON ((cat_title = page_title) AND page_namespace = 14) WHERE cl_to = 'How-to' AND cl_type = 'file' ORDER BY cl_sortkey LIMIT 201ImageGallery::add Bike part stand.pdfImageGallery::add Bike-part-stand.jpgImageGallery::add Bikecart-sequential.pdf[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] Category::initialize [0.001s] database_staging: SELECT cat_id,cat_title,cat_pages,cat_subcats,cat_files FROM `mw_category` WHERE cat_title = 'How-to' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] LinkBatch::doQuery [0.001s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model FROM `mw_page` WHERE (page_namespace = 6 AND page_title IN ('Bike_part_stand.pdf','Bike-part-stand.jpg','Bikecart-sequential.pdf') )[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] LocalFile::loadFromDB [0.001s] database_staging: SELECT img_name,img_size,img_width,img_height,img_metadata,img_bits,img_media_type,img_major_mime,img_minor_mime,img_timestamp,img_sha1,img_actor,image_actor.actor_user AS `img_user`,image_actor.actor_name AS `img_user_text`,comment_img_description.comment_text AS `img_description_text`,comment_img_description.comment_data AS `img_description_data`,comment_img_description.comment_id AS `img_description_cid`,img_metadata FROM `mw_image` JOIN `mw_actor` `image_actor` ON ((actor_id=img_actor)) JOIN `mw_comment` `comment_img_description` ON ((comment_img_description.comment_id = img_description_id)) WHERE img_name = 'Bike_part_stand.pdf' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[MediaHandlerFactory] no handler found for application/pdf.[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] LocalFile::loadFromDB [0s] database_staging: SELECT img_name,img_size,img_width,img_height,img_metadata,img_bits,img_media_type,img_major_mime,img_minor_mime,img_timestamp,img_sha1,img_actor,image_actor.actor_user AS `img_user`,image_actor.actor_name AS `img_user_text`,comment_img_description.comment_text AS `img_description_text`,comment_img_description.comment_data AS `img_description_data`,comment_img_description.comment_id AS `img_description_cid`,img_metadata FROM `mw_image` JOIN `mw_actor` `image_actor` ON ((actor_id=img_actor)) JOIN `mw_comment` `comment_img_description` ON ((comment_img_description.comment_id = img_description_id)) WHERE img_name = 'Bike-part-stand.jpg' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0File::transform: Doing stat for mwstore://local-backend/local-thumb/c/c0/Bike-part-stand.jpg/93px-Bike-part-stand.jpgTransformationalImageHandler::doTransform: creating 93x120 thumbnail at mwstore://local-backend/local-thumb/c/c0/Bike-part-stand.jpg/93px-Bike-part-stand.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.File::transform: Doing stat for mwstore://local-backend/local-thumb/c/c0/Bike-part-stand.jpg/139px-Bike-part-stand.jpgTransformationalImageHandler::doTransform: creating 139x180 thumbnail at mwstore://local-backend/local-thumb/c/c0/Bike-part-stand.jpg/139px-Bike-part-stand.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.File::transform: Doing stat for mwstore://local-backend/local-thumb/c/c0/Bike-part-stand.jpg/185px-Bike-part-stand.jpgTransformationalImageHandler::doTransform: creating 185x239 thumbnail at mwstore://local-backend/local-thumb/c/c0/Bike-part-stand.jpg/185px-Bike-part-stand.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] LocalFile::loadFromDB [0.001s] database_staging: SELECT img_name,img_size,img_width,img_height,img_metadata,img_bits,img_media_type,img_major_mime,img_minor_mime,img_timestamp,img_sha1,img_actor,image_actor.actor_user AS `img_user`,image_actor.actor_name AS `img_user_text`,comment_img_description.comment_text AS `img_description_text`,comment_img_description.comment_data AS `img_description_data`,comment_img_description.comment_id AS `img_description_cid`,img_metadata FROM `mw_image` JOIN `mw_actor` `image_actor` ON ((actor_id=img_actor)) JOIN `mw_comment` `comment_img_description` ON ((comment_img_description.comment_id = img_description_id)) WHERE img_name = 'Bikecart-sequential.pdf' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki::preOutputCommit [0s] database_staging: COMMITMediaWiki::preOutputCommit: primary transaction round committed[DeferredUpdates] DeferredUpdates::run: started MWCallableUpdate_WikiPage->doViewUpdates #638[DeferredUpdates] DeferredUpdates::run: ended MWCallableUpdate_WikiPage->doViewUpdates #638, processing time: 8.5115432739258E-5MediaWiki::preOutputCommit: pre-send deferred updates completedMediaWiki::preOutputCommit: session changes committed[DBReplication] Wikimedia\Rdbms\ChronologyProtector::persistSessionReplicationPositions: no primary positions/timestamps to save[DBReplication] Wikimedia\Rdbms\LBFactory::shutdown: finished ChronologyProtector shutdown[DBReplication] LBFactory shutdown completedOutputPage::haveCacheVaryCookies: no cache-varying cookies found[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] Wikimedia\Rdbms\Database::beginIfImplied (LinkBatch::doQuery (for Skin::preloadExistence)) [0s] database_staging: BEGIN[DBQuery] LinkBatch::doQuery (for Skin::preloadExistence) [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model FROM `mw_page` WHERE (page_namespace = 15 AND page_title = 'How-to')[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\User\TalkPageNotificationManager::dbCheckNewUserMessages [0s] database_staging: SELECT user_ip FROM `mw_user_newtalk` WHERE user_ip = '172.18.0.2' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Permissions\RestrictionStore::loadRestrictions [0.001s] database_staging: SELECT pr_type,pr_expiry,pr_level,pr_cascade FROM `mw_page_restrictions` WHERE pr_page = 2818[gitinfo] Candidate cacheFile=/var/www/html/w/gitinfo.json for /var/www/html/w[gitinfo] Cache incomplete for /var/www/html/w