Want to migrate your rails database to a specific version? Use:
rake db:migrate VERSION=#
where # is 1 or 2 or 3 ....
Want to migrate your production database? Use
export RAILS_ENV=production
Change production to any other environment you want.
The following Powershell script will convert a batch of JPEG files to TIFF format: #This Code is released under MIT license [System.Reflection.Assembly]::LoadWithPartialName("System.Drawing") $files_folder = 'C:\path-where-your-jpg-files-are\' $pdfs = get-childitem $files_folder -recurse | where {$_.Extension -match "jpg"} foreach($pdf in $pdfs) { $picture = [System.Drawing.Bitmap]::FromFile( $pdf.FullName ) $tiff = $pdf.FullName.replace('.PDF','').replace('.pdf','').replace('.jpg','').replace('.JPG','') + '.tiff' $picture.Save($tiff) }
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