Ungasebenzisa i-break command ukuze uphume kunoma iyiphi iluphu, njengesikhathi kanye nokuze kube izihibe. Iluphu igijima ize ifike ku-14 bese umyalo uphuma ku-loop.
Uphuma kanjani ku-loop ku-Linux?
Isitatimende sekhefu isetshenziselwa ukuphuma ku-loop yamanje. Isitatimende sokuqhubeka sisetshenziselwa ukuphuma ekuphindaphindweni kwamanje kweluphu futhi kuqalwe ukuphindaphinda okulandelayo.
Uphuma kanjani ku-loop ku-Unix?
ikhefu liphuma ku-a, khetha, ngenkathi, noma kuze kube yiluphu kusikripthi segobolondo. Uma inombolo inikeziwe, nqamula ukuphuma enanini elinikeziwe lamaluphu avalekayo.
Uphuma kanjani ku-loop kutheminali?
Control-C (ubambe ukhiye ka-Ctrl ngenkathi uthayipha u-'c') kufanele wenze iqhinga.
Iyini ikhodi yokuphuma ku-Linux?
Ikhodi yokuphuma, noma ngezinye izikhathi eyaziwa ngokuthi ikhodi yokubuyisela, ikhodi ebuyiselwe enqubweni yomzali nge-executable. Ezinhlelweni ze-POSIX ikhodi yokuphuma ejwayelekile ithi 0 impumelelo kanye nanoma iyiphi inombolo ukusuka ku-1 kuye ku-255 nganoma yini enye. Amakhodi wokuphuma angahunyushwa ngemibhalo yomshini ukuze azivumelanise nesimo lapho kuba khona impumelelo yokwehluleka.
Yimuphi umyalo owusebenzisayo ukuphuma ku-loop SQL?
Isitatimende BREAK Seseva ye-SQL Ukubuka konke
Ukuze uphume ekuphindaphindweni kwamanje kweluphu, usebenzisa BREAK isitatimende. Kule syntax, isitatimende esithi BREAK siphuma ku-loop ethi WHILE ngokushesha uma isimo esishiwo esitatimendeni se-IF sesifinyelelwe.
Uyimisa kanjani iluphu engapheli ku-Unix?
Ngakho ngaphandle uma umyalo uphatha SIGINT , ucindezela u-ctrl-C kuzomisa kokubili umyalo wamanje futhi kuphume iluphu.
Uyeqa kanjani iluphu kugobolondo?
Incazelo. qhubeka weqa uye ekuphindaphindweni okulandelayo kokuvalela kokuthi, khetha, kuze kube, noma okwesikhashana I-loop kusikripthi segobolondo. Uma inombolo ethi n inikezwa, ukwenza kuyaqhubeka ekulawuleni iluphu yeluphu evalekile engu-nth.
Uyenza kanjani i-loop yesikhashana ku-bash?
Ku-bash, kuyilapho izihibe zibhalwe kanje:
- ngenkathi [isimo] do [run commands] senziwe.
- kuyilapho [[ $found == false ]] iphinda ithi “Faka iphasiwedi yakho.” funda iphasiwedi yenziwe.
- uma [[ $password == “test” ]]; bese senanela ukuthi “Ufake igama-mfihlo elilungile.” found=true else echo "Iphasiwedi yakho ayilungile." fi.
Uyini umsebenzi we-loop ngenkathi?
I-loop ngenkathi isetshenziswa ukuphinda ingxenye yekhodi inombolo engaziwa kuze kube yilapho kuhlangatshezwana nesimo esithile. Isibonelo, sithi sifuna ukwazi ukuthi inombolo enikeziwe ingahlukaniswa kangaki ngo-2 ngaphambi kokuba ibe ngaphansi noma ilingane no-1.
Uyiphazamisa kanjani iluphu yesikhashana?
Iluphu yesikhashana inganqamula futhi nini ikhefu, i-goto, noma ukubuyisela ngaphakathi kwendikimba yesitatimende iyasetshenziswa. Sebenzisa ukuqhubeka ukuze unqamule ukuphindaphinda kwamanje ngaphandle kokuphuma ku-loop yesikhathi. qhubeka udlulisela ukulawula ekuphindaphindweni okulandelayo kweluphu yesikhathi. Isimo sokunqanyulwa sihlolwa phezulu kweluphu.
Ngiyithola kanjani ikhodi yokuphuma ku-Linux?
Ukuhlola ikhodi yokuphuma singakwazi kalula phrinta i-$? okuguquguqukayo okukhethekile ku-bash. Lokhu okuguquguqukayo kuzophrinta ikhodi yokuphuma yomyalo wokugcina wokugijima. Njengoba ubona ngemva kokusebenzisa umyalo ./tmp.sh ikhodi yokuphuma ibingu-0 ebonisa impumelelo, nakuba umyalo wokuthinta wehlulekile.
Uphuma kanjani ku-Linux?
Cindezela okuthi <Escape> . Cindezela : . Bese ucindezela . Lokhu kuzoyeka umhleli, futhi kubhale zonke izinguquko ozenzile; zonke izinguquko kudokhumenti zizogcinwa.
Ithini ikhodi yokuphuma engu-255 Unix?
Ngoba ku-UNIX/POSIX, ikhodi yokuphuma yohlelo ichazwa njenge inani elingasayiniwe elingu-8-bit. Ukuguqula -1 ibe yi-8-bit engasayiniwe kunikeza u-255. … Ukunikeza imininingwane eyengeziwe: ukulinda*() umndeni wezingcingo zesistimu ku-UNIX encode umphumela wenqubo ube inamba eyodwa ye-32bit.