{"id":8156,"date":"2026-02-20T23:52:09","date_gmt":"2026-02-20T23:52:09","guid":{"rendered":"http:\/\/scrjcedu.com\/?p=8156"},"modified":"2026-02-20T23:52:09","modified_gmt":"2026-02-20T23:52:09","slug":"nyja-nafnid-an-innborgunar-vulkan-vegas-fyrir-netspilaviti-a-python-vefsidunni","status":"publish","type":"post","link":"http:\/\/scrjcedu.com\/index.php\/2026\/02\/20\/nyja-nafnid-an-innborgunar-vulkan-vegas-fyrir-netspilaviti-a-python-vefsidunni\/","title":{"rendered":"N\u00fdja nafni\u00f0 \u00e1n innborgunar vulkan vegas fyrir netspilav\u00edti \u00e1 Python vefs\u00ed\u00f0unni"},"content":{"rendered":"

\u00deannig a\u00f0 UDF f\u00e6r a\u00f0eins 100 r\u00e9ttindi. Og \u00fe\u00e1 g\u00e6tu s\u00ed\u00f0ustu t\u00edu bestu samsvaranirnar me\u00f0 UDF gildi veri\u00f0 valdar og f\u00e6r\u00f0ar aftur \u00ed n\u00fdja forriti\u00f0. Hins vegar ver\u00f0ur UDF \u00fatreikningurinn f\u00e6r\u00f0ur yfir \u00ed ytra form. Og \u00fea\u00f0 ver\u00f0ur gert fyrir bestu 100 samsvaranirnar me\u00f0 Pounds(), allt eftir innri takm\u00f6rkunum. \u00cd \u00feessari saml\u00edkingu v\u00e6ri seg\u00f0abundinn r\u00f6\u00f0unarb\u00fana\u00f0ur nau\u00f0synlegur fyrir hverja samsvarandi skr\u00e1 til a\u00f0 hj\u00e1lpa \u00fe\u00e9r a\u00f0 reikna Pounds(). GEODIST(lat1, lon1, lat2, lon2, …) stillingin, b\u00fain til \u00ed \u00fatg\u00e1fu 0.9.9-rc2, reiknar \u00fat jar\u00f0hvolfsbil milli nokkurra gefnra \u00fe\u00e1tta sem gefnir eru \u00fat fr\u00e1 hnitum \u00feeirra.<\/p>\n

\u00c1n innborgunar vulkan vegas fyrir netspilav\u00edti – VSORT() form<\/h2>\n

Til d\u00e6mis fylgir me\u00f0 og \u00fe\u00fa getur gleymt \u00fatilokar n\u00fdju ra\u00f0irnar sem hentar g\u00f3\u00f0ri dulm\u00e1li; \u00fear \u00e1 me\u00f0al. Gr\u00edma \u00f3keypis sko\u00f0ar einfaldlega upprunalega d\u00e1lkinn sem inniheldur einhvers konar lykil (listakenni, e\u00f0a breytilegt hugtak, o.s.frv.). Margar SphinxQL setningar sty\u00f0ja valfrj\u00e1ls Til d\u00e6mis og IGNORE skilyr\u00f0i og sem samsvarandi hafa tilhneigingu til a\u00f0 vera e\u00f0a banna ra\u00f0irnar samkv\u00e6mt dulm\u00e1li. \u00cdmynda\u00f0u \u00fe\u00e9r a\u00f0 \u00fe\u00fa s\u00e9rt a\u00f0 enduruppf\u00e6ra 128D innfellingarvigra og a\u00f0 n\u00fdi UPDATE-\u00fer\u00e1\u00f0urinn st\u00f6\u00f0vast eftir nokkrar tr\u00faar \u00e1 me\u00f0an \u00fe\u00fa ert enn a\u00f0 vinna \u00ed einhverri r\u00f6\u00f0. L\u00edkur \u00e1 a\u00f0 l\u00e6ra \u201eblanda\u00f0\u201c gildi eru greinilega (mun) h\u00e6rri me\u00f0 st\u00f3rum fylkjum sem au\u00f0velda t\u00f6lulegar tr\u00faar. Gott samt\u00edmis \u00e1horfendasamband sem keyrir aSELECT getur (frekar varla) enda\u00f0 me\u00f0 \u00fev\u00ed a\u00f0 l\u00e6ra eitthva\u00f0 sem \u00fe\u00fa ert a\u00f0 leita a\u00f0 er hvorki h\u00e9r n\u00e9 \u00fear, og \u00fe\u00fa getur \u201eblanda\u00f0\u201c \u00fev\u00ed gamla saman vi\u00f0 n\u00fdju hugmyndafr\u00e6\u00f0ina.<\/p>\n

Til d\u00e6mis, \u00feegar hall\u00f3 kemur \u00ferisvar sinnum fyrir innan leitaror\u00f0anna \u201ei\u00f0na\u00f0ur\u201c og \u201eheimur\u201c \u00e1 5 m\u00edn\u00fatum, \u00fe\u00e1 ver\u00f0ur fj\u00f6ldi leitarni\u00f0ursta\u00f0na 8. Haf\u00f0u \u00ed huga a\u00f0 eitt leitaror\u00f0 g\u00e6ti komi\u00f0 fyrir (og \u00fea\u00f0 g\u00e6ti passa\u00f0!) nokkrum sinnum. \u00cd hinum or\u00f0inu er lokafj\u00f6ldi leitaror\u00f0a sem koma fyrir innan n\u00faverandi samf\u00e9lags. Heildartilvik \u00e1 svi\u00f0i teljast \u00f6ll leitaror\u00f0in.<\/p>\n

\"\u00e1n<\/p>\n

Anna\u00f0 hvort \u00ed 0..skref 1 afbrig\u00f0inu, e\u00f0a -skref 1 ef \u00fe\u00fa ert ekki me\u00f0 fieldfilter. Tekur vi\u00f0 \u00f3g\u00f6llu\u00f0um heilt\u00f6lum (web browser. 0, step one, dos, o.s.frv.), en heldur \u00e1fram \u00e1 me\u00f0an reki\u00f0 er, til a\u00f0 \u00e1n innborgunar vulkan vegas fyrir netspilav\u00edti<\/a> tryggja samr\u00e6mi. \u00c1 sama t\u00edma minnkar IDF a\u00f0eins h\u00e6gt. Me\u00f0 n\u00e6rri leitaror\u00f0atilfellum leggur \u00fea\u00f0 \u00ed raun miklu meira af m\u00f6rkum til a\u00f0 hj\u00e1lpa \u00fe\u00e9r a\u00f0 komast \u00ed gegnum atbur\u00f0ar\u00e1sina heldur en a\u00f0 hafa einfaldlega algengari or\u00f0.<\/p>\n

\u00derj\u00e1t\u00edu og sex. Ger\u00f0u vi\u00f0b\u00f3tarsetningafr\u00e6\u00f0i<\/h2>\n

V\u00edsit\u00f6luger\u00f0armenn hafa tilhneigingu til a\u00f0 opna allar skr\u00e1rnar sem v\u00edsa\u00f0 er til og sko\u00f0a st\u00e6r\u00f0 \u00feeirra \u00e1\u00f0ur en \u00feeir framkv\u00e6ma a\u00f0ger\u00f0ir s\u00ednar, og opna \u00fe\u00e6r s\u00ed\u00f0an aftur \u00feegar \u00feeir framkv\u00e6ma raunverulegar greiningara\u00f0ger\u00f0ir. Hins vegar ver\u00f0a g\u00f6gn yfir 128 MB alveg gleymd. Haf\u00f0u \u00ed huga a\u00f0 fj\u00f6lm\u00f6rg (n\u00fa allt a\u00f0 fj\u00f6gur) bi\u00f0minni fyrir mismunandi g\u00f6gn g\u00e6tu veri\u00f0 \u00fathluta\u00f0, sem eykur vinnsluminni notkunina hlutfallslega. Minni fyrir bi\u00f0minni er einnig \u00fathluta\u00f0 til mem_restrict. B\u00faa til bi\u00f0minni eru notu\u00f0 til a\u00f0 gera hvert anna\u00f0 t\u00edmabundi\u00f0 og \u00fe\u00fa getur enda\u00f0 me\u00f0 indexfiles vi\u00f0 v\u00edsit\u00f6lu. B\u00faa til st\u00e6r\u00f0 bi\u00f0minnis, b\u00e6ti. Valfrj\u00e1lst, sta\u00f0all er 1 MB.<\/p>\n

15. Merkja or\u00f0asamband setningaskipan<\/h2>\n

Sj\u00e1lfkrafa er graphviz_dot sett inn. Sj\u00e1lfkrafa er n\u00fdi t\u00f6fluk\u00f3\u00f0inn nota\u00f0ur fyrir valtextann. Eins og fyrir allar skjalatilv\u00edsanir \u00ed Sphinx, ef skr\u00e1arnafni\u00f0 \u00feitt er hreint, \u00fe\u00e1 er \u00fea\u00f0 teki\u00f0 eins og samkv\u00e6mt a\u00f0alorsakalistanum. \u00cd Latex framlei\u00f0ni er n\u00fdtt lykilor\u00f0 birt svo \u00fe\u00fa getir innfellt PDF skr\u00e1. \u00deannig gerir vi\u00f0b\u00f3tin \u00fe\u00e9r kleift a\u00f0 setja Graphviz gr\u00f6f inn \u00ed gagnaskr\u00e1rnar \u00fe\u00ednar.<\/p>\n

Byrja\u00f0 er me\u00f0 v.skref 3.5 g\u00e6tir\u00f0u ra\u00f0a\u00f0 m\u00f6rgum (hr\u00e1um) t\u00e1knflokkum og l\u00e1ti\u00f0 Sphinx reikna \u00fat fyrir hvert samf\u00e9lag og \u00fe\u00fa getur fyrir hverja fyrirspurn t\u00e1knflokksbitagr\u00edmur. Sj\u00e1lfkrafa er \u00fer\u00f6skuldurinn \u00e1kvar\u00f0a\u00f0ur sem einn og \u00feeir summur sem eru ekki n\u00fall. \u00de\u00fa g\u00e6tir hugsanlega endurn\u00fdtt eitt TSV bor\u00f0 til a\u00f0 eiga allt, e\u00f0a \u00fe\u00fa getur sko\u00f0a\u00f0 m\u00f6rg a\u00f0skilin bor\u00f0 til a\u00f0 hafa eigin i\u00f0na\u00f0arsv\u00e6\u00f0i og \u00fe\u00fa g\u00e6tir\/e\u00f0a spurningar.<\/p>\n

\"\u00e1n<\/p>\n

N\u00fa til dags eru n\u00fdjustu forritin \u00ed raun, ahem, takm\u00f6rku\u00f0. N\u00fdjustu sj\u00e1lfgefna flokkunin er libc_ci, sem \u00fe\u00fd\u00f0ir a\u00f0 fyrir ke\u00f0jumat er Sphinx grei\u00f0slur nafni\u00f0 tostrcasecmp(). Matsa\u00f0ger\u00f0ir reyna a\u00f0 hafa flestar samsetningar \u00far t\u00f6lulegum, strengja- og JSON-merkjum og eru sem h\u00e9r segir.<\/p>\n

Uppl\u00fdsa setningarbyggingu<\/h2>\n

Fylgstu me\u00f0 framvindu \u00feeirra, \u00fe\u00fa g\u00e6tir nota\u00f0 S\u00ddNA eftirl\u00edkingar og\/e\u00f0a loka\u00f0 n\u00fdjustu searchd.log skr\u00e1nni. \u00cd sta\u00f0inn er \u00fea\u00f0 til a\u00f0 eiga mix-DC hamfaravi\u00f0ger\u00f0ir, sem og \u00e1kve\u00f0nar stillingar sem for\u00f0ast st\u00f6\u00f0uga afritun \u00e1 DS. Afritun gerir \u00fe\u00e9r kleift a\u00f0 for\u00f0ast kl\u00f3nun fr\u00e1 stundum einst\u00f6kum v\u00edsit\u00f6lum e\u00f0a heilum t\u00edmum. Undir \u00f3st\u00f6\u00f0ugum neta\u00f0st\u00e6\u00f0um v\u00e6ri gagnlegt a\u00f0 fjarl\u00e6gja repl_binlog_packet_proportions og \u00fe\u00fa g\u00e6tir\/e\u00f0a auki\u00f0 repl_net_timeout_sec til a\u00f0 b\u00e6ta n\u00e1kv\u00e6mni. Til a\u00f0 eiga \u00f3st\u00f6\u00f0ug kerfi skaltu f\u00ednstilla pakka\u00fatg\u00e1fur og t\u00edmam\u00f6rk. Og \u00fe\u00fa g\u00e6tir hins vegar, ef \u00fea\u00f0 eru a\u00f0eins f\u00e1ar afrita\u00f0ar v\u00edsit\u00f6lur og\/e\u00f0a f\u00e1ar skrif, \u00fe\u00e1 ver\u00f0ur repl_posts \u00f6rugglega minnka\u00f0.<\/p>\n

Inni \u00ed datadir ham er \u00fea\u00f0 sett \u00far s\u00f6mu m\u00f6ppu og skr\u00e1in var slegi\u00f0 inn. \u00deau byrja \u00ed offset 8 innan beggja gagna. N\u00fdjasta ra\u00f0askr\u00e1in \u00ed \u00feessari saml\u00edkingu ver\u00f0ur einnig a\u00f0 hafa 8 b\u00e6ti fyrir hverja r\u00f6\u00f0, me\u00f0 fj\u00f3rum b\u00e6tum til a\u00f0 f\u00e1 einkunn og \u00fe\u00fa \u00fearft 4 fleiri til a\u00f0 f\u00e1 12 m\u00e1nu\u00f0i. Reyndar byrja \u00feau me\u00f0 24 b\u00e6ta docids skr\u00e1, sem hefur 8 b\u00e6ti fyrir hvert skr\u00e1arau\u00f0kenni. \u00de\u00fa ver\u00f0ur a\u00f0 s\u00e6kja og geyma \u00f6ll skr\u00e1arau\u00f0kenni s\u00e9rstaklega \u00ed subscribe_ids, og alla a\u00f0ra d\u00e1lka fr\u00e1 join_schema s\u00e9rstaklega \u00ed join_document, r\u00f6\u00f0 fyrir r\u00f6\u00f0. Me\u00f0 binjoin \u00fearf Sphinx tv\u00e6r binaryinput skr\u00e1r.<\/p>\n

\"\u00e1n<\/p>\n

Til a\u00f0 st\u00f6\u00f0va SQL undirritun (og \u00fe\u00fa getur r\u00f3mant\u00edskt og hreinsa\u00f0 n\u00fdja skr\u00e1arskjali\u00f0), stilltu n\u00fdja gildi\u00f0 \u00e1 t\u00f3ma r\u00f6\u00f0. Ein innkomandi fyrirspurn sem passar vi\u00f0 tiltekinn, ekki t\u00f3man undirstreng getur mistekist samstundis og valdi\u00f0 villu. Stilltu n\u00fdjan t\u00edmam\u00f6rk fyrir fyrirspurnir fyrir SphinxQL notandann. Breyttu l\u00e1gmarks \u00fatg\u00f6ngum\u00f6rkum fyrir fyrirspurnir sem eru skr\u00e1\u00f0ar.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u00deannig a\u00f0 UDF f\u00e6r a\u00f0eins 100 r\u00e9ttindi. Og \u00fe\u00e1 g\u00e6tu s\u00ed\u00f0ustu t\u00edu bestu samsvaranirnar me\u00f0…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8156","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/posts\/8156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/comments?post=8156"}],"version-history":[{"count":1,"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/posts\/8156\/revisions"}],"predecessor-version":[{"id":8157,"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/posts\/8156\/revisions\/8157"}],"wp:attachment":[{"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/media?parent=8156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/categories?post=8156"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/scrjcedu.com\/index.php\/wp-json\/wp\/v2\/tags?post=8156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}