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Replacing some characters in a string with another character
I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x , y , and z with _ .
5 Answers
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What does 'wb' mean in this code, using Python?
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File mode, write and binary. Since you are writing a .jpg file, it looks fine.
But if you supposed to read that jpg file you need to use 'rb'
More info
On Windows, 'b' appended to the mode
opens the file in binary mode, so
there are als...
xUnit : Assert two List are equal?
I'm new to TDD and xUnit so I want to test my method that looks something like:
4 Answers
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What is the difference between `after_create` and `after_save` and when to use which?
...after_save works every time you save the object - even if you're just updating it many years later
So if you want to do this email operation only just the once (and then never again) then use after_create.
If you want to do it every time the object is saved, then do it in after_save
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Converting pfx to pem using openssl
...erate a .pem CA certificate and client certificate from a PFX file using OpenSSL.
3 Answers
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Memory footprint of Haskell data types
How can I find the actual amount of memory required to store a value of some data type in Haskell (mostly with GHC)? Is it possible to evaluate it at runtime (e.g. in GHCi) or is it possible to estimate memory requirements of a compound data type from its components?
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Unable to forward search Bash history similarly as with CTRL-r
I am trying to search my bash history similarly as with CTRL - r , but to forward direction.
4 Answers
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GitHub - List commits by author
Is there any way on GitHub to list all commits made by a single author, in the browser (neither locally, e.g. via git log , nor via the API)?
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How do I convert an integer to string as part of a PostgreSQL query?
How do I convert an integer to string as part of a PostgreSQL query?
3 Answers
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Why do you program in assembly? [closed]
... all the hardcore low level hackers out there. I ran across this sentence in a blog. I don't really think the source matters (it's Haack if you really care) because it seems to be a common statement.
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