1,398 questions
1 vote
2 answers
81 views
How to initialize a 2d array with existing array objects rather than array pointers
This is not a practical question! I am not asking how one would accomplish the end-goal of this code in a production environment. Rather, this question is about how C works. The given example is ...
2 votes
1 answer
119 views
R reference classes and internal functions
I am drafting two packages: the first defines a reference class (A) with base fields and methods, and a second package that implements a new class (B) which contains (A) and add methods for the ...
1 vote
1 answer
149 views
How to implement Python's unified attribute lookup (__getattribute__) in C++, handling descriptors and metaclasses?
I'm developing a Python interpreter from scratch in C++ as a hobby project to deepen my understanding of the language's internals. I'm currently stuck on implementing the attribute lookup mechanism (...
0 votes
1 answer
32 views
Google cloud server to server communication results in status 401 although services are authorized
I want to call my backend service 'azhbackend' from my web application 'azhverwaltung' within google cloud run environment. Both services have service accounts in Google cloud. Azhbackend requires ...
0 votes
1 answer
98 views
Multithreaded breaking strings : why a return statement needed here
I wrote the code mentioned here Breaking java.lang.String in Scala. Rather than using Future I used plain Java threads and wrote it like this: def breakIt(original: String): String = require(...
3 votes
1 answer
84 views
Observing the default process heap getting created (breakpoint on heap creation)
I want to observe when the default process heap gets created, i.e. have a breakpoint and get the callstack of the creation. This has no practical background. I just want to understand the Windows ...
0 votes
1 answer
66 views
Load network/security extension in macOS. finish callback is skipped
i'm working on an endpoint security extension loader and implement several callbacks from delegate object OSSystemExtensionRequestDelegate the callback i'm interested in is : public func request(_ ...
6 votes
2 answers
168 views
Random change in obj_addr() output when including the objects into a list and vectorizing over them
There is a strange behavior of lobstr::obj_addr caused by its vectorization over lists, when the list itself doesn't change the address. I just started Advanced R by Wickham (2ed) and reached the 2.2....
0 votes
1 answer
103 views
Why does `git clone --depth 1` leave packfiles?
I am trying to clone a repository with a lot of blobs in its history, and would like to only download the files at a specific commit without any added overhead or redundancy. When trying git clone --...
3 votes
1 answer
141 views
What is the internal implementation of `copy.deepcopy()` in Python and how to override `__deepcopy__()` correctly?
When reading Antony Hatchkins' answer to "How to override the copy/deepcopy operations for a Python object?", I am confused about why his implementation of __deepcopy()__ does not check memo ...
1 vote
0 answers
96 views
Is there a Chrome Devtools Protocol API to list off all Runtime.ScriptIds?
I'm trying to write a script that will dump all instances of a specific function signature in node.js's internal modules. Specifically, I'm trying to dump the locations of the internalBinding function ...
0 votes
0 answers
28 views
Network trace an internal domain that is setup to access an external site
I am not a network person but need to track or understand the following. We have a legacy flow that I am trying to understand/reverse-engineer. Use-case: Public end user makes call to application ...
1 vote
1 answer
89 views
Does the "acks" configuration apply to the 'sender' thread of the KafkaProducer client?
I have a couple of questions regarding the async nature of the KafkaProducer client which were unanswered by the official documentation. Background: I am working on a project where I need to log some ...
0 votes
2 answers
327 views
How to Determine the Low High Water Mark (LHWM) in Oracle DB? [closed]
How could one determine the position of the Low High Water Mark (LHWM) for a non-partitioned heap table segment in Oracle? Note: Using Locally Managed Tablespaces (LMT) and Automatic Segment Space ...
0 votes
0 answers
387 views
android testing app is not showing on play store
I have make 1 release version apk using Android Studio. Upload that on google play console and app review was complete and become publish. I don't like to make it public(app was shown on play store ...