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What's the difference between encoding and charset?
...or example in InputStreamReader, we read "An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset. The charset that it uses may be specified by name or may be given explicitly, or the platform's default charse...
docker error: /var/run/docker.sock: no such file or directory
...hat runs your script, something like this might work for you:
Dockerfile
FROM busybox
# Copy your script into the docker image
ADD /path/to/your/script.sh /usr/local/bin/script.sh
# Run your script
CMD /usr/local/bin/script.sh
Then you can run:
docker build -t your-image-name:your-tag .
Thi...
How do I undo a checkout in git?
I just checked out an earlier commit from my local git repo. I haven't made any changes to it, I was just looking at it. Now I want to go back to my latest commit - how do I do that?
...
What's the correct way to convert bytes to a hex string in Python 3?
...t; b'\xde\xad\xbe\xef'.hex()
'deadbeef'
and reverse:
>>> bytes.fromhex('deadbeef')
b'\xde\xad\xbe\xef'
works also with the mutable bytearray type.
Reference: https://docs.python.org/3/library/stdtypes.html#bytes.hex
...
How do I replace a git submodule with another repo?
...d here, which I'm including for convenience:
Delete the relevant section from the .gitmodules file
Delete the relevant section from .git/config
Run git rm --cached path_to_submodule (no trailing slash)
Commit and delete the now untracked submodule files
Now, add the new submodule with the --name...
Difference between and
...);
this.ccc = ccc;
}
}
This allows me to remove the following rows from the XML:
<property name="bbb" ref="bBean" />
<property name="ccc" ref="cBean" />
My XML is now simplified to this:
<bean id="bBean" class="com.xxx.B" />
<bean id="cBean" class="com.xxx.C" />
&...
Impossible to make a cached thread pool with a size limit?
...
My only worry about this is (from the JDK 8 docs): "When a new task is submitted in method execute(Runnable), and fewer than corePoolSize threads are running, a new thread is created to handle the request, even if other worker threads are idle."
...
How to convert currentTimeMillis to a date in Java?
...lliseconds in certain log file generated in server, I also know the locale from where the log file was generated, my problem is to convert milliseconds to date in specified format.
The processing of that log is happening on server located in different time zone. While converting to "SimpleDateFormat...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...leksi Niemelä <aleksi.niemela@cinnober.com> writes:
|I got an idea from http://www.pragprog.com:8080/rubyfaq/rubyfaq-5.html#ss5.3
|and thought to try. I didn't manage to make "auto(in|de)crement" working so
|could somebody help here? Does this contain some errors or is the idea
|wrong?
(1...
How to get the width and height of an android.widget.ImageView?
...
return true;
}
});
You can then add your image scaling work from within the onPreDraw() method.
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