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How to use OpenSSL to encrypt/decrypt files?
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Security Warning: AES-256-CBC does not provide authenticated encryption and is vulnerable to padding oracle attacks. You should use something like age instead.
Encrypt:
openssl aes-256-cbc -a -salt -in secrets.txt -out secrets.txt.enc
Decrypt:
op...
Why doesn't java.util.Set have get(int index)?
I'm sure there's a good reason, but could someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method?
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How to immediately see compile errors in project tree of IntelliJ Idea?
I'm wondering if it is possible to configure IntelliJ Idea to immediately show compile errors on the class files in the project tree. Currently I need to manually trigger the recompilation to see error marks on my classes if the class cannot be compiled.
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Python hashable dicts
As an exercise, and mostly for my own amusement, I'm implementing a backtracking packrat parser. The inspiration for this is i'd like to have a better idea about how hygenic macros would work in an algol-like language (as apposed to the syntax free lisp dialects you normally find them in). Because...
When and why are database joins expensive?
I'm doing some research into databases and I'm looking at some limitations of relational DBs.
7 Answers
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Hidden Features of Xcode
With a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
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What is the difference between map and flatMap and a good use case for each?
Can someone explain to me the difference between map and flatMap and what is a good use case for each?
16 Answers
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Is it possible to select the last n items with nth-child?
...m trying to select the last 2 list items. I've various permutations of An+B but nothing seems to select the last 2:
5 Ans...
How to build a query string for a URL in C#?
A common task when calling web resources from a code is building a query string to including all the necessary parameters. While by all means no rocket science, there are some nifty details you need to take care of like, appending an & if not the first parameter, encoding the parameters etc.
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Resolve absolute path from relative path and/or file name
Is there a way in a Windows batch script to return an absolute path from a value containing a filename and/or relative path?
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