File di testo

Fare clic sul pulsante Salva. Se desideri salvare una pagina Web come documento di testo e conservare il codice HTML che fornisce la formattazione del testo, segui i passaggi seguenti. Sebbene il file risultante sia un file di testo, contiene codice di programmazione HTML con il testo. Save my name, email, and website in this browser for the next time I comment. Sign in. Log into your account. Forgot your password? Create an account. Sign up. Password recovery. Recover your password.

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Could you elaborate? I have a file that is 30MB big, I cannot load it all into memory. I have sorted the data, and now want to do a binary search directly on the file.

For this I need to randomly seek. Nowadays I assume you mean 30GB, unless you are using really small-embedded hw but then it'd be diskless Anyway, random seeks on disks often completely ruin the logarithmic performance of binary search.

A couple of alternatives are 1 doing sequential access yes, on disk a sequential search may be faster than a binary search or 2 a mixed approach such as using B-tree en. To quote the Javadoc: readAheadLimit - Limit on the number of characters that may be read while still preserving the mark. Zarkonnen Zarkonnen Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. You need to check each character in a loop. Count the number of lines in the text file. These occur at the end of each line of text. Modify the program to remove the Unicode character output, but ask the user for some sub-text to change and replace to something else.

Get the program to find all occurrences of the sub-text and replace it with the replacement text and write the modified file out. While "true". WriteLine "". WriteLine "1. WriteLine "2.

Leggi il testo". WriteLine "3. Scrivi il testo". Write "Testo? Sub Leggi. Write "Nome del file IN? ReadContents filein. Sub Scrivi.