Map converts one data (file name) into other data (compressed content). Filter creates a subset of original data matching certain criteria. In your case it could return file names of files containing images.
The "Q"
Re: How to use QtConcurrent on QByteArray for parallelize qCompress
Map converts one data (file name) into other data (compressed content). Filter creates a subset of original data matching certain criteria. In your case it could return file names of files containing images.
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