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As @Quasímodo has shown, the search pattern \(abc.*\)\@<!bird\|bird\(.*xyz\)\@! solves your problem. But, why does it work, and why does your original approach not work? What you want to achi...
Assume this trivial logic puzzle which I have made up: There are three boys, Fred, John and Max. No two of the boys have the same age. Max is older than John. Fred is not the oldest one. Quest...
Given the link where the code comes from (based on your other question), this is just a, let's say, "free-form/pseudo-code/documentation example". It's not a valid JavaScript code. It's more like...
Since accessing the memory allocated by malloc beyond the size given to the call is undefined behaviour (which means that the standard poses no restriction to the behaviour of a program that does t...
By "deeply clone", I assume you mean "also make copies of whatever nested structures the object might have". And for those, I guess libraries like Lodash are more reliable and appropriate if you wa...
There are a few reasons for wanting to move computation closer to data. One is performance, which you've mentioned. Another is security. Databases enforce their own security boundary, and data that...
Co I'm a database/desktop dev venturing into programming web apps using Angular and I've been informed 'functional reactive programming' is something I should be aware of. Some other site has a ge...
Currently, there is no consensus about whether to provide tooltips for the voting buttons (especially the downvote one). However, the community now includes quite a lot of questions that attracted ...
When we launched this community, we did not yet have the ability to set different reputation grants for different categories. We've had this for a while but we failed to follow up before now, sorr...
Regarding undefined behavior/uninitialized variables of automatic storage duration First of all there's some misconceptions here. if (x == 0) is UB only because x was declared as a local variable...
Note: I asked this question on TopAnswers a couple weeks ago, but didn't get any response, so I figured I'd ask it here. I am currently learning C++. I have a parent class (Vehicle) and two subc...
Is it valid to partly allocate an object, as long as you only use the allocated part of it? #include <stdio.h> #include <stdlib.h> struct s { int i[100]; }; int main(void) {...
You want to scale from one linear range to another. That can always be done with y = mx + b where X is the input value and Y the output value. M is the scale factor, and B the offset. You ...
As a relative newcomer to Rust, I'm trying to understand the behaviour of lifetimes, but I am confused by the following code: let s: &str = "first"; let mut r: &str = s; println!("First ...
The Python Global Interpreter Lock (GIL) is a mutex in the primary Python implementation (CPython) that is acquired whenever Python (byte)code is executing. This means within a single (OS) process ...
tl;dr, the lifetime of "second" is static The heart of your confusion is this: Since we are taking a long-lived reference r to a string slice inner which is destroyed at the end of its scope, ...
As other answers have said, we have some of these, they're helpful, and they can be hard to write. On Codidact there's another option, should the community want to enable it: articles. An article...
For what it's worth, I have some 20 years of experience designing embedded C systems, with large and small code bases both. Code design is some of the hardest things to do, since books about object...
grep is not the right tool for your case. You can use basename: basename a/b/c --> c basename a/b/c/ --> c or, in your case basename branches/features/arm_and_musl --> arm_...
Statements and expressions are two syntactic categories that are used by many programming languages. Since they are syntactic, they depend on the programming language's syntax. In a real sense, a s...
This isn't specific to git merge. The standard Git behaviour is that any content- or history-changing command operates on the current branch. For example, you cannot git commit to a branch other th...
Functions in C have external linkage by default. In other words, the storage class specifier extern is applied to functions by default, with the effect that they are visible to all translation unit...
No. Software Development is about writing software. Yes, you can stretch almost anything that is an input to software to be "writing software". But arguably the closest analogue in actual Software ...
These two uses of if are different The if at the end of a list comprehension syntax: [num for num in hand if num != 11] is a filter; its purpose is to decide whether or not the resulting list ...
My actual motivation is to understand the semantics of the .gitignore file syntax in precise detail, for a program which is expected to emulate them as accurately as possible. However, while coming...
