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General Q&A about programming, scripting, software design & architecture, process, tools, testing, and more.
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I need to filter/find and list tables using the sqlline !tables command. For example, these are the type of queries i wish to fire Find out all the tables in a particular schema s1 All tables ...
I want to run a program, e.g. Firefox, from terminal, but whenever I close the terminal, program closes too. How to detach my terminal window from a program ran from it?
I have a DTO that contains an enum field: @Getter @Setter static class Foo { Bar bar; } enum Bar { X, Y } When I deserialize a JSON, it allows int as values: var objectMapper ...
I'm currently working on a Java application using Jakarta Persistence with EclipseLink and PostgreSQL. While setting up the application to test the database layer, the persistence configuration is ...
When printing Markdown text to the terminal, how can I get a bit more formatting so it looks nicer? I realize that this is a bit of a contradiction, since terminals generally use only one font. Bu...
The documentation for git stash list says list [<log-options>] List the stash entries that you currently have. Each stash entry is listed with its name (e.g. stash@{0} is the latest entry...
I'm trying to work with a Go project that I'm taking over from another developer. The go.mod file says I need at least version 1.13, and I have 1.22.3 installed according to go version. However, wh...
I have a Map with Optional values. I want to filter it to remove empty values. Map<K, Optional<T>> input; Map<K, T> result = input. // here is some code I'm looking for ...
Let's say I have a table with SQL statements in a column. I want to execute them all. create table sql_command( sql_text text ) I know how to execute one SQL statement using EXEC, but I wa...
I'm trying to containerize a SvelteKit application that uses the @sveltejs/adapter-node. The Build and Deploy section from the documentation recommends to build the application, and then run the a...
One of "my" Android apps is showing a heavy frequency of "slow exit" application-not-responding (ANR) problems. The Play Console has the "insight": Slow exit Problem The main thread has finish...
I have a C/++ codebase that compiles in Windows x86_64 targeting x86 using the mingw32 32-bit shell of the MSYS64 project. (It also compiles fine on linux x86/x86_64 and android's 4 archs.) Howev...
In older C and C++ standards, the auto keyword simply meant automatic storage duration. As in the compiler automatically handles where the variable is stored, typically on the stack or in a registe...
Is it possible to somehow prohibit anonymously subclassing of a specific class? For instance, with a plain public parent class: public class Parent { } Extending this class should not be pos...
I have a git history that basically looks like this: * commit: XXX (HEAD -> main) | | * commit: YYY | | * commit: ZZZ (origin/main) | | ... Now I would like to turn everything after...
Pytest uses fixtures. Their docs explain what fixtures do: https://docs.pytest.org/en/stable/explanation/fixtures.html But what actually is a fixture? Is there a definition for it? Is this a term ...
I have a simple Spring Boot 3.x reactive application that exposes a RESTful API. The application uses Jdbi in the persistence layer, and the configuration for Jdbi is straightforward: @EnableTrans...
After switching to a different branch, git checkout - can move me back to the branch I came from. This is handy for times when I wonder "wait, what was that last branch again?" But this does not w...
I heard git pull is dangerous. Is it really dangerous? If so, why or how is it dangerous? Are there any flags that mitigate or remove the danger? What are the alternatives if it...
In an STM32CubeIDE USB HID project for an STM32F103C8 board I can send data from the device to the host using the USBD_HID_SendReport() function, like so: USBD_HID_SendReport(&hUsbDeviceFS, (u...
I'm trying to implement pytest for one of my Python Flask projects. The application is instanciated like this in appname.py def create_app(): app = Flask(__name__) app.config.from_pyfil...
I have a site hosted through GitHub and I'm using footers for special links and it also serves as my main navigation bar for now. I find it a little frustrating to manually copy-paste the footer's ...
callPackage is a complex function (reasons include the Nix language being lazy, usage of fixed-point evaluation, overrides, etc.), and this complexity steals the spotlight from what this function a...
I have an "tensorflow.python.framework.ops.Graph" object loaded from a .pb file. def load_pb(path_to_pb): with tf.compat.v1.gfile.GFile(path_to_pb, "rb") as f: graph_def = tf.compat....
Should I use the data-* attributes for this or is there a more idiomatic way? For context, I'm trying to convert annotated legal PDF documents to HTML. Certain parts of these documents are cross...
Usually a random IV is used for encryption with AES in CBC mode, so that key/IV pairs are not reused, which would be a vulnerability. During decryption, the IV of the encryption is required. If de...
How can I have a mutable object (for example a vector) that is created inside a loop iteration and needs to be updated in later iterations of said loop? As a concrete example, consider parsing som...
At this time I am trying to manually install doxygen into msys64 but the computer I am using does not have access to the internet. When I try to start doxywizard.exe, I am receiving this error. ...
I'm working on a Svelte web application. The issue I'm having is when I'm trying to integrate the Carbon Web Components module. I installed the module using npm install --save @carbon/web-component...
I had understood that Python is supposed to come "batteries included", and that the "batteries" specifically include: the tkinter standard library, a simple GUI framework a simple IDE cal...
Suppose you have a largish git repository with many files of different types (both text and images) distributed among a number of nested directories. Parallel development has occurred on two branc...
What are the differences between git apply and git am commands? Both seem to be used for applying patches to repositories. When should one be used over the other?
Whenever registering to diverse sites on the net, you are often forced to enter a so called "strong password", which would ideally contain both upper case letters, lower case letters, digits, and s...
How can I verify that an extension method was called when using NSubstitute for unit testing? For a normal method I'd do something like: substitutedClass.Recieved().CheckedMethod(...) But exten...
I have a SPARQL query to Wikidata that returns the names and handles and parties of politicians for whom a Mastodon address is stored at Wikidata. Filtered by nationality and with an output of the ...
Suppose you have a situation where text is coming 1 word at a time, and you want to quickly show it to the user. "Quickly" is not in the sense of a performance constraint, but rather we don't want ...
What are some legitimate use cases for raising a NotImplementedError exception in Python? How can it help express a code author's intentions to aid code maintenance and/or further development of co...
One of my applications has a dependency on a stb-library. Now I am publishing this application to Github. Should I: Include the header that was used during development with the code? Have an in...
My annotation processor "cannot be found" but everything ~looks okay. In Eclipse IDE, I created a new Maven project with the "quickstart-architype" resulting in a project with this structure: ___...
There's not always a Spark cluster on hand to test Spark code. Is there some simple program that you can install locally, which has the same behavior as Spark (can run normal Spark scripts) withou...
How do I perform a running cumulative sum that is based on a condition involving the current row and previous rows? Given the following table: acc | value | threshold 3 | 1 | 1 1 | 2 ...
My (non-Windows) operating system came with Python, but that Python didn't include Pip. I followed instructions to install Pip for the included Python, using my system's package manager. But now w...
In setting android:configChanges in AndroidManifest.xml, what is the difference between colorMode and uiMode? I hear uiMode is for changes between light/dark modes, which sounds exactly what colorM...
When enabling access logging for an AWS load balancer, I get the following error: Access Denied for bucket: test-bucket-access-logs. Please check S3bucket permission test-bucket-access-logs is ...
Say I have two functions: FILE* get_input(const char fname[static 1]); FILE* get_output(const char fname[static 1]); And I wish to declare a function pointer and assign it the result of some p...
I have already learned how to tell the Python interpreter to run my code, but the standard approach feels a little unsatisfactory. I want the user experience to be that my program starts with the a...
Hello, I am trying to build a docker image for contributing to the devdocs repository, however I am failing to get past the thor docs:download --all command. It fails with the below error: . is w...
I am looking copy files platform-dependently on Linux, Oracle Solaris, MacOS, BSDs, and Windows. I have found some system calls for each platform, namely sendfile(), copy_file_range(), fcopyfile()...
I am trying to join some video files and have an issue. I have boiled down the problem to the following minimal working example. I create a 2-second mp4 with a silent audio stream: $ ffmpeg -f l...
I have seen others allude to include_directories as disfavored: Having trouble adding include directories Summaries from CMake's documentation: target_include_directories include_directori...
