Managing RAW photos with Python
Posted 23rd April 2021
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Use Python to recursively scan directories and remove unused and redundant CR2 files.
Convert RGB to CMYK in Python
Posted 26th March 2021
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Efficient Python code for taking a RGB image and converting it to CMYK before splitting the relevant channels out.
SFTP via the Command Line
Posted 3rd March 2021
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Simple instructions for uploading or downloading files and directories using Secure File Transfer Protocol (sFTP) in Linux.
Structural Similarity Index (SSIM) in Python
Posted 19th February 2021
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Quantitatively check the quality of a compressed image using a simple Python code for calculating the Structural Similarity Index (SSIM) and Mean Square Errors (MSE) between two images.
Multi-line gradient hyperlinks
Posted 18th February 2021
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Use cascading style sheets to create a gradient underline link that will span multiple lines.
Peak Signal-to-Noise Ratio (PSNR) in Python
Posted 12th February 2021
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Quantitatively check the quality of a compressed image using a simple Python code for calculating the Peak Signal-to-Noise Ratio (PSNR) between two images.
Reading EXIF data in Python
Posted 2nd February 2021
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In order to review the properties of various common-format image files, I wrote a command-prompt script in Python that will display EXIF data and other properties of JPG, PNG, TIF, CR2 and NEF files.
Query a PostgreSQL database via Python
Posted 11th December 2020
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Use this simple template script created in Python to connect to your PostgreSQL database and run a query.
How to change file permissions in Git on Windows
Posted 9th December 2020
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Make a Git repository file on a local Windows machine executable by changing the CHMOD value, which can be transferred to the repository following a push.
Styling the colour of <pre><code> horizonal scrollbars
Posted 4th December 2020
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Despite the absence of a proper scrollbar colouring standard in Cascading Style Sheets (CSS), there is a way to colour the horizontal scrollbar in a <pre><code> block that will work in Edge, Safari, Firefox and Chrome.