Thaum twg siv nosuchelementexception?

Cov txheej txheem:

Thaum twg siv nosuchelementexception?
Thaum twg siv nosuchelementexception?
Anonim

Raws li lub npe qhia, NoSuchElementException raug pov thaum sim nkag mus rau qhov tsis raug siv siv ob peb txoj hauv kev los ntawm cov chav kawm Enumeration thiab Iterator.

Vim li cas peb thiaj tau NoSuchElementException?

NoSuchElementException hauv Java yog pov thaum ib tus sim nkag mus rau qhov tsis tau tshaj nws qhov kev txwv siab tshaj. Qhov kev zam qhia tau hais tias tsis muaj cov ntsiab lus ntxiv ntxiv kom rov hais dua hauv kev suav sau.

NoSuchElementException selenium yog dab tsi?

NoSuchElementException yog ib qho ntawm qhov sib txawv ntawm WebDriver Exceptions thiab qhov kev zam no tshwm sim, thaum cov chaw nyob (piv txwv li id / xpath / css selectors thiab lwm yam) peb tau hais hauv Selenium Program code nrhiav tsis tau lub vev xaib ntawm nplooj ntawv web.

Koj ua li cas nrog NoSuchElementException?

YUAV KOM NOSUCHELEMENT EXCEPTION IN JAVA SELENIUM

  1. Qhib chrome browser.
  2. Nkag mus rau qhov URL ntawm
  3. Sau tus lej rau Nyem rau ntawm tus lej nkag.
  4. tsav tsheb. findElement(By. xpath("//div[.='Login']")). nias;
  5. Nws cuam NoSuchElementException li Xpath qhia tias koj tau theej tsis raug.

Yuav ua li cas cov txheej txheem twg tuaj yeem cuam tshuam NoSuchElementException?

next" txoj hauv kev yuav tsum pov "NoSuchElementException" Los ntawm daim ntawv cog lus, txhua qhov kev siv ntawm java.

Pom zoo:

Thaum twg siv los yog tsis siv?

Thaum twg siv los yog tsis siv?

Ib leeg: ib leeg txhais tau tias "ib ntawm ob"; tsis txhais hais tias "tsis muaj ntawm ob." Siv cov lus qhia ib leeg. Ib yam ua ke nrog lossis; tsis yog ua ke nrog los yog. Koj hais kuv los tsis yog kuv thiab? Tsis yog grammatically tseeb.

Thaum twg siv i.e. thiab thaum twg siv xws li?

Thaum twg siv i.e. thiab thaum twg siv xws li?

I.e. yog ib qho luv luv rau kab lus id est, uas txhais tau tias "uas yog." I.e. yog siv los rov hais dua ib yam dab tsi uas tau hais yav dhau los txhawm rau kom meej nws lub ntsiab lus. E.g. luv luv rau exempli gratia, uas txhais tau tias "

Thaum twg siv polyacrylamide thiab thaum twg agarose?

Thaum twg siv polyacrylamide thiab thaum twg agarose?

Agarose gels siv nrog DNA, vim qhov loj ntawm biomolecules (DNA feem ntau yog ntau txhiab kDa). Rau cov protein gels, polyacrylamide muab daws teeb meem zoo, raws li qhov me me me (50 kDa yog qhov raug) zoo dua rau qhov sib txawv ntawm cov gel.

Thaum twg siv cov khoom siv?

Thaum twg siv cov khoom siv?

Throughput yog hais txog ntau npaum li cas cov ntaub ntawv tuaj yeem xa los ntawm ib qhov chaw mus rau lwm qhov hauv lub sijhawm. Nws yog siv los ntsuas qhov kev ua tau zoo ntawm hard drives thiab RAM , nrog rau kev sib txuas hauv Is Taws Nem thiab network.

Thaum twg siv los yog siv?

Thaum twg siv los yog siv?

Siv yog yav dhau los thiab yav dhau los kev koom tes ntawm kev siv. Yog li ntawd, kev siv nyiaj qhia txog qhov kev ua tam sim no thaum siv siv qhia txog qhov ua dhau los. Qhov no tuaj yeem pom tau tias qhov sib txawv tseem ceeb ntawm kev siv Piv txwv: