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git pull fails “unable to resolve reference” “unable to update local ref”
...mance) and removing unreachable objects which may have been
created from prior invocations of git add.
Users are encouraged to run this task on a regular basis within each repository to maintain good disk
space utilization and good operating performance.
man git-remote(1):
g...
How to activate virtualenv?
...irst few times as well, easy to think that manual is telling "execute this from root of the environment folder".
No need to make activate executable via chmod.
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Looping through localStorage in HTML5 and JavaScript
...ere a reason I should use parse and not eval? I'm using eval now to get it from a string, but is parse better/faster?
– Oscar Godson
Jun 29 '10 at 21:15
1
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How to fire AJAX request Periodically?
... trick. I wanted to highlight a bit more advanced technique that I learned from this excellent video by Paul Irish: http://paulirish.com/2010/10-things-i-learned-from-the-jquery-source/
For periodic tasks that might end up taking longer than the repeat interval (like an HTTP request on a slow conne...
Pandas convert dataframe to array of tuples
...
@coldspeed The lesson I got from the linked question is that itertuples is slow because converting to tuples is usually slower than vectorized/cython operations. Given that the question is asking to convert to tuples, is there any reason that we'd think...
Android: Go back to previous activity
...o a previous activity could mean two things.
You opened the new activity from another activity with startActivityForResult. In that case you can just call the finishActivity() function from your code and it'll take you back to the previous activity.
Keep track of the activity stack. Whenever you s...
What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
...Without that backstop in place, the usual thing happens when a thread dies from an unhandled exception: AppDomain.UnhandledException fires and the program terminates.
Fwiw: "ThreadException" was a very poor name choice. It has nothing to do with threads.
...
Java Timer vs ExecutorService?
...but it lets you handle them if you want (by overriding afterExecute method from ThreadPoolExecutor). Task which threw exception will be canceled, but other tasks will continue to run.
If you can use ScheduledThreadExecutor instead of Timer, do so.
One more thing... while ScheduledThreadExecutor i...
Run command on the Ansible host
...ks or for some hands-on learning of Ansible.
The example of code is taken from this good article:
Running ansible playbook in localhost
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How do I forward parameters to other command in bash script?
... only 2 : ${@:2:1}"
echo "params 2 and 3 : ${@:2:2}"
echo "params all from 2: ${@:2:99}"
echo "params all from 2: ${@:2}"
run it:
$ chmod u+x r.sh
$ ./r.sh 1 2 3 4 5 6 7 8 9 10
the result is:
params only 2 : 2
params 2 and 3 : 2 3
params all from 2: 2 3 4 5 6 7 8 9 10
params all from 2...