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How to remove/delete a large file from commit history in Git repository?
...ssly git commit -a -m ... , and, zap, the repo was bloated by 2.2 gigs. Next time I made some edits, deleted the video file, and committed everything, but the compressed file is still there in the repository, in history.
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Why should I not include cpp files and instead use a header?
...header files and source files. As far as the language is concerned, any text file with legal code is the same as any other. However, although not illegal, including source files into your program will pretty much eliminate any advantages you would've got from separating your source files in the fi...
How to create a MySQL hierarchical recursive query
...
For MySQL 8+: use the recursive with syntax.
For MySQL 5.x: use inline variables, path IDs, or self-joins.
MySQL 8+
with recursive cte (id, name, parent_id) as (
select id,
name,
parent_id
from products
where parent_id...
How exactly does __attribute__((constructor)) work?
...are; presumably to distinguish them from function calls.
GCC-specific syntax.
Yes, this works in C and C++.
No, the function does not need to be static.
The destructor runs when the shared library is unloaded, typically at program exit.
So, the way the constructors and destructors work is that the...
Why do we need fibers
For Fibers we have got classic example: generating of Fibonacci numbers
2 Answers
2
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What is the difference between canonical name, simple name and class name in Java Class?
...e name is the name that you'd use to dynamically load the class with, for example, a call to Class.forName with the default ClassLoader. Within the scope of a certain ClassLoader, all classes have unique names.
the canonical name is the name that would be used in an import statement. It might be use...
Effects of changing Django's SECRET_KEY
...s impacted by it first and then try to go over that list and give precise explanation of the impact.
The list of things using SECRET_KEY directly or indirectly:
JSON object signing
crypto functions for salted hmacs or seeding the random engine which impacts:
password reset token
comment form se...
What is the “FS”/“GS” register intended for?
...what they were intended for, and what they are used for by Windows and Linux.
The original intention behind the segment registers was to allow a program to access many different (large) segments of memory that were intended to be independent and part of a persistent virtual store. The idea was take...
What are inline namespaces for?
... useful application of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution?
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What are metaclasses in Python?
...reate an object by calling the class, Python creates a new class (when it executes the 'class' statement) by calling the metaclass. Combined with the normal __init__ and __new__ methods, metaclasses therefore allow you to do 'extra things' when creating a class, like registering the new class with s...