Androidx Activity API belongs to which dependency?
This documentation shows how to add dependencies for Androidx Activity API. There it mentions androidx.activity:activity-ktx:$activity_version to be declared. In my project, only Androidx dependencies...
View ArticleHow to translate using translations editor in Android Studio?
In my project, I have lots of string resources. Now that I am planning for release of my first ever app, I wanted to translate those to some widely used languages. However, I was unable to find the...
View ArticleHow tty interrupts are sent from pid 0?
This code prints the pid and uid of a caught signal:#include <stdio.h>#include <unistd.h>#include <string.h>#include <signal.h>static void my_handler(int signum, siginfo_t...
View ArticleBuildConfig.java is not configuring properly in flutter
When I run my flutter project, I get the following error:C:\Users\Sourav Kannantha...
View ArticleIs calling ssh without user is same as calling it with getuser?
If I want to start a ssh process from python, is invoking ssh without any user (subprocess.run(['ssh', 'remotehost'])), is equivalent to invoking ssh with getuser (subprocess.run(['ssh',...
View ArticleHow does exec* functions manage multithreaded process?
In POSIX standards, calling exec* in a thread will cause the entire process to be replaced with a new process, resulting in termination of all threads of the process.But how does exec* terminate all...
View ArticleHow do I create an app to customize notification panel for Android?
I want to customize notification panel in my device. Specifically, I want to move quick tiles to bottom of the panel instead of top as it is easily accessible there. But if search Google for 'Android...
View ArticleIs there a safeunlink syscall in Unix?
There is an unlink syscall in Unix, which takes a path as argument, and unlinks that path from inode.Suppose this case. I will open a file, access the contents, and then decide that it should be...
View ArticleWhat is parent directory of a process?
In lsof output, it mentions 3 types of directories, cwd, rtd and pd. I understand cwd and rtd. But what is pd aka., parent directory for a process? I tried lsof | grep ' pd ', but I got no output. So...
View Articlepip3 command is failing
I did pip3 install jira and now every pip3 command is failing with:Traceback (most recent call last): File "/usr/lib/python3/dist-packages/pip/_vendor/__init__.py", line 33, in vendored...
View ArticleHow to get to know when remote host is down in SSH?
When using OpenSSH from command line, we can use -o ServerAliveInterval=30 -o ServerAliveCountMax=2 to timeout the command if server do not respond to keepalive packets.Similary, when using ssh2-python...
View Articlexfuncname not working in my .gitconfig file?
I know that there is a question with same title: Why isn't my xfuncname working in my .gitconfig file?. But it didn't solve my problem.This is my .attributes file:*.drd diff=drdThis is my config...
View ArticleIs it possible to stop the editor from popping up once git prepare-commit-msg...
I am writing a prepare-commit-msg hook, which interactively prompts the user about some data and creates a commit message in a predefined format. In almost all cases, there is no need for the user to...
View ArticleIs it possible to know which editor git is going to use programatically?
Is it possible to know which editor git is going to use programmatically? Something like this is possible?$git which editor/usr/bin/nanoBasically, I wanted to invoke a custom editor only for git commit...
View ArticleHow the kotlin coroutine is implemented under the hood?
Kotlin coroutines are one of the key features in the language. I was curious how they implemented it. So I wrote this kotlin code snippet,CoroutineScope(Dispatchers.IO).launch { someFun(6) // A suspend...
View ArticleHow to make clang-format not add new line before opening brace of a function...
When I auto-format with Clang-format, it is always inserting a newline before brace when requires clause is there.Thisconstexpr auto size() const noexcept requires(!Unique) { return...
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Why text-based regex engines cannot handle lazy quantifiers?
I have came across many times that, text-based regex engines cannot support lazy quantifiers. But I could not find why. But I came to know that, they internally use DFAs, and they do not backtrack.Then...
View ArticlePython2 unable to pickle string
This link says that both normal and unicode strings can be pickled. But when I try following, def __del__ (self): with open(self._pkl, 'wb') as f: pickle.dump(dict(self._rec), f)I'm gettingException...
View ArticleAnswer by Sourav Kannantha B for Reorder WhatsApp images in Google Photos...
I noticed that Google Files app sorts files based on their modification date. So I decided to modify mtime of all files using shell script by connecting to adb:$ cd sdcard/$ IFS=$'\n'$ for f in $(find...
View ArticleReorder WhatsApp images in Google Photos according to the dates in the name
When I bought new Android device and installed WhatsApp there, it downloaded all media files from Drive backup. Now when I open Google Photos, all those 1000+ images are in same date, the date in which...
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