Qbytearray copy. [static] QString QFile:: decodeName (const QByteArray & localFileName) Aug 9, 2017 · @wost said in How can I copy one QByteArray at n-index of another QByteArray?: Will that work with readyRead? I'm getting the data through a QSerialPort. Behind the scenes, it always ensures that the data is followed by a '\0' terminator, and uses implicit sharing (copy-on-write) to reduce memory usage and avoid needless Detailed Description QByteArray can be used to store both raw bytes (including '\0's) and traditional 8-bit '\0'-terminated strings. It doesn't copy anything from the said raw data, and you can't pass such QByteArray object away from the scope in which raw data exists. QString &QString:: insert (qsizetype position, const QByteArray & str) Interprets the contents of str as UTF-8, inserts the Unicode string it encodes at the given index position and returns a reference to this string. A regular == comparison should do just fine. Note that if a file with the name newName already exists, copy () returns false. In addition to QByteArray, Qt QByteArray makes a deep copy of the const char * data, so you can modify it later without experiencing side effects. Using QByteArray is much more convenient than using const char *. This is an overloaded function. The class itself will allocate or release required memory, so no need to add the size in the struct. zfnc sgyzt jjhrgca xhvx egewrqfd keqvtwaz aeujetj fsg mpa oqqwrt