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Celery Received unregistered task of type (run example)
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celeryd is obsolete. Now one should run celery worker e.g for Django like this celery --app=your_app.celery worker --loglevel=info
– andilabs
Jan 14 '16 at 11:25
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Automating “enter” keypresses for bash script generating ssh keys
...orrect anwser, but i still would like to know how to press enter more then one time - in another script.
– Sławosz
Sep 7 '10 at 14:45
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MySQL Cannot drop index needed in a foreign key constraint
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DROP KEY AID ;
gives error.
You can drop the index and create a new one in one ALTER TABLE statement:
ALTER TABLE mytable
DROP KEY AID ,
ADD UNIQUE KEY AID (AID, BID, CID, DID);
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How large should my recv buffer be when calling recv in the socket library
...really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is transferring bulk data, then larger buffers can be more efficient - a good ru...
What Makes a Method Thread-safe? What are the rules?
...makes a method thread-safe? I understand that there are probably a million one-off situations, but what about in general? Is it this simple?
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Jquery live() vs delegate() [duplicate]
...enefits of using delegate to be so substantial as to be overwhelming.
The one benefit of live is that its syntax is very close to that of bind:
$('a.myClass').live('click', function() { ... });
delegate, however, uses a slightly more verbose syntax:
$('#containerElement').delegate('a.myClass', ...
How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
I have two branches, email and staging . staging is the latest one and I no longer need the old changes in email branch, yet I don't want to delete them.
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How do I pass a class as a parameter in Java?
...try {
Object ob = c.newInstance();
} catch (InstantiationException ex) {
Logger.getLogger(App.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
Logger.getLogger(App.class.getName()).log(Level.SEVERE, null, ex);
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Set the value of an input field
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This is one way of doing it:
document.getElementById("mytext").value = "My value";
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How to customize user profile when using django-allauth
... at signup. I came across a similar question here but unfortunately, no one answered the profile customization part.
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