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Why am I not able to install lmdb using pip?

I’m following the turorial found here: https://realpython.com/storing-images-in-python/. The first few steps in the tutorial work well; however, when I get to the step I get more than 100 errors, and the installer gives up. I’m wondering how to correct this problem. My entry of the step shown abov…

Alternative to “for” LINQ equivalent of Where?

I have a CSV file contents in a variable raw_data. I only need certain rows depending on whether the first element of the row (row_split[0]) matches a price_number. The below code works fine however coming from a C# background I know there is a LINQ equivalent. Is there anything in Python that use Where or An…

How to encode list of numbers as base64

I have a list containing negative numbers, and want to encode the list with base64. How can I do that? I tried: But I get the error: I expect the same output as my Java code: Answer The error arises because Python expects unsigned 8-bit data, which can be obtained with the modulo % operation: unsigned == sign…

PyCharm CE does not recognize .pyx files

PyCharm Community Edition (CE) does not recognize few Cython files as shown in the picture below (with PyCharm red mark under the file name). Could you please advise me on what can I do ? Answer The PyCharm Community Edition does not support Cython. You should get PyCharm Professional Edition to get that feat…

ampersand is being replaced with comma

I am trying to do a rest call to jira and the jql is as below. so when i do the rest call to jira, it is replacing the jql as below: so, the & is being replaced with “,” which is throwing an error as that project is not available in jira I tried replacing the “,” with &,

How to add() runtime input in a set in python?

Problem I am trying to add() elements in a set at run time using a for loop: Surprisingly, l1 is a set but, when I go on add() -ing elements to my set l2 in a loop I get : TypeError: unhashable type: ‘list’ Research Effort: Here are other ways I have tried to add() elements to set l2 and