louai

5 ms·

1.
by louai 3y ago
ChatGPT 4 > Use reservoir sampling to get 100 random lines from a dictionary that doesn’t fit into memory. Give me an implementation in Python. > Reservoir sampling is a great choice for randomly selecting a fixed number of items from
2.
by louai 5y ago
With Lisp-2 designs as discussed in the article this is not an issue, as variables and functions are in different namespaces: CL-USER> (defun foo (list) (list list)) FOO CL-USER> (foo 42) (42) In this case the function at
3.
by louai 5y ago
Macro expansion is done in the host environment, not the target environment. You can compile the macro definition to a function taking a form and an environment. This would be something you arrange for within your compiler. CLTL2 specifies
4.
by louai 5y ago
One correction to my post above - Corman Lisp is a Free implementation that does have the ability to produce DLLs, but it is limited to Windows: https://github.com/sharplispers/cormanlisp/blob/master/do
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by louai 5y ago
Common Lisp actually doesn't specify a mechanism for this. There are implementations that can compile to e.g. DLL: http://www.lispworks.com/documentation/lw71/DV/html/delivery... https://
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by louai 5y ago
A characteristic of intrusive data structures is generally good cache friendliness. In this context "intrusive" means that the data structure is embedded with the data that's being stores. In C terms as in this case that mean
7.
by louai 5y ago
Note that it says less than one character . A character in UTF-8 can be composed of multiple bytes. The encoding scheme is laid out in the linked email. Based on the high bits it's possible to detect when a new character starts. Relev
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by louai 6y ago
The Itanium C++ ABI mentions something similar > A two-phase exception-handling model is not strictly necessary to implement C++ language semantics, but it does provide some benefits. For example, the first phase allows an exception-hand
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by louai 6y ago
When I was at Qt I spent a decent amount of time porting the native rendering engine from Qt4 to Qt5. It should be available and work relatively well. I have retired from the Qt project, but it looks like the code is still there in the repo
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by louai 6y ago
This is exactly how Arabic works today. It's a huge impediment, not a benefit.