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Difference between Python's Generators and Iterators
...tting suspended and resumed.
For example, a generator such as:
def squares(start, stop):
for i in range(start, stop):
yield i * i
generator = squares(a, b)
or the equivalent generator expression (genexp)
generator = (i*i for i in range(a, b))
would take more code to build as a custom ...
Python code to remove HTML tags from a string [duplicate]
...
And in addition, it works with strings not starting with an xml tag, it that would be the case
– kiril
Aug 6 '14 at 16:41
...
Why can't I use Docker CMD multiple times to run multiple services?
...mands in one line:
FROM centos+ssh
EXPOSE 22
EXPOSE 4149
CMD service sshd start && /opt/mq/sbin/rabbitmq-server start
What you could also do to make your Dockerfile a little bit cleaner, you could put your CMD commands to an extra file:
FROM centos+ssh
EXPOSE 22
EXPOSE 4149
CMD sh /home/...
Gulps gulp.watch not triggered for new or deleted files?
...atch({glob: <<glob or array of globs>>}, function() {
gulp.start( <<task name>> );
});
Personally, I recommend the first option. This allows for much faster, per-file processes. It works great during development with livereload as long as you aren't concatenating any ...
adb server version doesn't match this client
...id SDK Tools and set your SDK folder
after you configure this, try to restart your adb by going into folder platform-tools which adb placed and do this command:
./adb kill-server
./adb start-server
*tips: You may close the process of Genymotion before running the command above
Hope this help...
How do I export UIImage array as a movie?
...Writer canAddInput:writerInput]);
[videoWriter addInput:writerInput];
2) Start a session:
[videoWriter startWriting];
[videoWriter startSessionAtSourceTime:…] //use kCMTimeZero if unsure
3) Write some samples:
// Or you can use AVAssetWriterInputPixelBufferAdaptor.
// That lets you feed the ...
Streaming Audio from A URL in Android using MediaPlayer?
... if (!mediaPlayer.isPlaying())
mediaPlayer.start();
}
playPause = true;
} else {
btn.setBackgroundResource(R.drawable.button_play);
if (mediaPlayer.isPlaying())
mediaPlayer.pause();
pl...
How do I move to end of line in Vim?
...and mode
A goes to the end of line, switches to insert mode
Conversely - start of line (technically the first non-whitespace character)
^ goes to the start of line, remains in command mode
I (uppercase i) goes to the start of line, switches to insert mode
Further - start of line (technically th...
How to check task status in Celery?
...order for Celery to record that a task is running, you must set task_track_started to True. Here is a simple task that tests this:
@app.task(bind=True)
def test(self):
print self.AsyncResult(self.request.id).state
When task_track_started is False, which is the default, the state show is PENDI...
Kill child process when parent process is killed
...
This answer started with @Matt Howells' excellent answer plus others (see links in the code below). Improvements:
Supports 32-bit and 64-bit.
Fixes some problems in @Matt Howells' answer:
The small memory leak of extendedInfoPtr
The ...