51
votes
5
answers
2.4K
views
How do I delete an exported environment variable?
Before installing gnuplot, I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src. During
63
votes
13
answers
2.8K
views
How can I remove a key from a Python dictionary?
When deleting a key from a dictionary, I use: if 'key' in my_dict: del my_dict['key']
52
votes
26
answers
964
views
Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includ
