Sebenzisa i-sed 's/^ *//g', ukuze ususe izikhala ezimhlophe eziholayo. Kukhona enye indlela yokukhipha izikhala ezimhlophe usebenzisa umyalo othi `sed`. Imiyalo elandelayo isuse izikhala kokuguquguqukayo, i-$Var ngokusebenzisa `sed` umyalo kanye no-[[:space:]]. $ echo "$Var idume kakhulu manje."
Ngingazisusa kanjani izikhala eziholayo ochungechungeni?
Umphumela wentambo = str. nquma (); I-trim() indlela izosusa kokubili isikhala esimhlophe esiholayo nesilandelalayo kuyunithi yezinhlamvu bese ibuyisela umphumela.
Ngizisusa kanjani izikhala ezengeziwe ku-Unix?
umyalo we-sed:
Umyalo we-1 ususa izikhala ezihamba phambili, owesibili ususa izikhala ezilandelanayo futhi owokugcina uthatha indawo yeqembu lezikhala ngesikhala esisodwa. Ifayela lomthombo ngokwalo lingabuyekezwa ngokusebenzisa i- -i inketho ye- sed.
Uzisusa kanjani izindawo ezihamba phambili nezilandelanayo?
Nquma Izikhala ze-Excel - susa izikhala ezengeziwe ngokuchofoza
- Khetha i(ama)seli lapho ofuna ukususa khona izikhala.
- Chofoza inkinobho ethi Nquma Izikhala kuribhoni.
- Khetha eyodwa noma zonke izinketho ezilandelayo: Nquma izikhala eziholayo nezilandelanayo. Nquma izikhala ezengeziwe phakathi kwamagama, ngaphandle kwesikhala esisodwa. …
- Chofoza okuthi Nquma.
16 uNovemba. UDisemba 2016
Uzisusa kanjani izikhala ku-ArrayList?
Ikhipha izikhala ku-ArrayList
- Public ArrayList removeSpace()
- {
- I-Iterator it = array.iterator();
- ngenkathi (it.hasNext())
- {
- uma (it.next().ilingana(” “))
- {
- it.susa();
Ngingazisusa kanjani izikhala eziholayo ochungechungeni oluku-C?
Okunengqondo ukususa isikhala esimhlophe esiholayo
- Iyunithi yezinhlamvu yokokufaka evela kumsebenzisi, igcine kokuhlukile ithi str.
- Memezela okuguquguqukayo ukuze ugcine inkomba yokugcina yohlamvu oluhamba phambili lwesikhala esimhlophe, ithi inkomba = -1. …
- Qalisa iluphu kusukela ekuqaleni kuze kube yilapho izinhlamvu eziholayo zesikhala ezimhlophe zitholakala ku-str.
20 izinyanga. 2016 г.
Ngizisusa kanjani izikhala ezimhlophe ku-Unix?
Isixazululo esilula ukusebenzisa umyalo we-grep (GNU noma we-BSD) njengoba ngezansi.
- Susa imigqa engenalutho (ungafaki imigqa enezikhala). grep. ifayela.txt.
- Susa imigqa engenalutho ngokuphelele (kuhlanganise nemigqa enezikhala). grep “S” file.txt.
Ngizisusa kanjani izikhala ku-Linux?
Ithuluzi elifanele lomsebenzi
- tr -d ' ' < input.txt > no-spaces.txt.
- tr -d '[:blank:]' < input.txt > no-spaces.txt.
- tr -d '[:space:]' < input.txt > no-spaces.txt.
16 okthoba. 2014 g.
Ngizisusa kanjani izikhala phakathi kwamagama ku-Linux?
Ukuze ususe izikhala eziningi sebenzisa okuthi [ ]+ ku-sed. [ ]+ isho ukufanisa isikhala esingaphezu kwesisodwa. Masenze isibonelo esifanayo ngokufaka izikhala eziningi emagameni. Qaphela ukuthi sidinga ukubalekela uhlamvu olukhethekile + ne-back slash ngenkathi [ ]+ in sed.
Yiziphi izindawo ezihamba phambili nezilandelanayo?
Indawo engenalutho ekugcineni komugqa yindawo elandelanayo. … Kulo mzamo othile, ngichaze “indawo elandelanayo” njenganoma yisiphi “isikhala esimhlophe” ekugcineni komugqa. (Yebo, ngidale nezinguqulo zalo msebenzi wokuhola isikhala esimhlophe, kanye nesikhala esimhlophe esengeziwe (ngaphezu kohlamvu olu-1 lwesikhala esimhlophe phakathi nomugqa.)
Uzisusa kanjani izikhala ezihamba phambili nezilandelanayo ePython?
strip() Python String strip() umsebenzi uzosusa izikhala ezimhlophe eziholayo nezilandelanayo. Uma ufuna ukususa izikhala eziholayo kuphela noma ezilandelanayo, sebenzisa u-lstrip() noma u-rstrip() umsebenzi esikhundleni salokho.
Uzisusa kanjani izikhala ezilandelanayo ku-Notepad ++?
- Hlela >> Imisebenzi Engenalutho >> Nquma Izikhala Eziholayo Nezilandelanayo (ukususa amathebhu amnyama nezikhala emigqeni engenalutho)
- Ctrl + H ukuze uthole esikhundleni sewindi bese ushintsha iphethini: ^rn lutho (khetha ukusho okuvamile)
UJan 6. 2014
Ngizisusa kanjani izikhala zokuqala ochungechungeni lwe-Java?
Ukuze ususe izikhala eziholayo nezilandelanayo ku-Java, sebenzisa indlela yokunquma (). Le ndlela ibuyisela ikhophi yalolu chungechunge nesikhala esimhlophe esiholayo nesilandela ngemuva sisusiwe, noma le ntambo uma ingenasikhala esimhlophe esiholayo noma esilandela ngemuva.
Ngizisusa kanjani zonke izikhala ezimhlophe ochungechungeni lwe-Java?
Indlela ye-replaceAll() yekilasi Leyunithi yezinhlamvu ingena esikhundleni sochungechunge oluncane ngalunye lwalolu chungechunge olufana nenkulumo evamile enikeziwe nokumiselela okunikeziwe. Ungakwazi ukususa izikhala ezimhlophe entanjeni ngokufaka "" esikhundleni sika-" ".
Ngizikhipha kanjani izikhala eziningi ochungechungeni lwe-Java?
Ukuqeda izikhala ekuqaleni nasekupheleni Kwentambo, sebenzisa indlela ye-String#trim(). Bese usebenzisa umbhalo wakho. buyisela Konke(“()+”, ” “) . Ungaqala usebenzise i-String.