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Purge Kafka Topic
...--entity-name <topic name> --add-config retention.ms=1000 This also allows you to check the current retention period, e.g. kafka-configs --zookeeper <zkhost>:2181 --describe --entity-type topics --entity-name <topic name>
– RHE
Jun 2 '16 at ...
Eclipse secure storage
...ure it is a good workaround (but less secure) to prevent that silly prompt all the time.
– рüффп
Feb 20 '12 at 9:24
...
Should developers have administrator permissions on their PC
...Developers will need to frig with system configurations to test items, install software (if nothing else, to test the installation process of whatever they happen to be developing), poke about the registry and run software that will not work properly without admin privileges (just to list a few item...
How to open standard Google Map application from my application?
..."geo:%f,%f", latitude, longitude);
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
context.startActivity(intent);
If you want to specify an address, you should use another form of geo-URI: geo:0,0?q=address.
reference : https://developer.android.com/guide/components/intents-common...
How to delete a file or folder?
...mdir() removes an empty directory.
shutil.rmtree() deletes a directory and all its contents.
Path objects from the Python 3.4+ pathlib module also expose these instance methods:
pathlib.Path.unlink() removes a file or symbolic link.
pathlib.Path.rmdir() removes an empty directory.
...
What's the best way to do a backwards loop in C/C#/C++?
... std::vector
Using iterators
C++ allows you to do this using std::reverse_iterator:
for(std::vector<T>::reverse_iterator it = v.rbegin(); it != v.rend(); ++it) {
/* std::cout << *it; ... */
}
Using indices
The unsigned integral type returned by std::vector<T>::size is not...
How to check if there exists a process with a given pid in Python?
... if the pid is not running, and do nothing otherwise.
import os
def check_pid(pid):
""" Check For the existence of a unix pid. """
try:
os.kill(pid, 0)
except OSError:
return False
else:
return True
...
Is it possible to make anonymous inner classes in Java static?
... a reference to the pointer of the containing instance (they are also not called inner classes anymore, they are called nested classes).
...
How do you know a variable type in java?
...
I just figured that was what the OP was really looking for since the declaration of a is pretty obvious at compile time
– Martin
Apr 20 '10 at 11:22
...
How to explore web-based Google Play in another country?
if I go to play.google.com, it automatically recognizes my country and allow me to browse the apps for that country. I can change the language through the dropdown in the footer, or I can add &hl=code in the querystring...but that only changes the language...not the store content (the app lists and ...