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Deleting all pending tasks in celery / rabbitmq
...uck I kill the task, empty the queue, and try again. I detect "stuckness" by looking at the message count for the analytics queue, which should be 0 (finished analytics) or 1 (waiting for last night's analytics to finish). 2 or higher is bad, and I get an email.
celery purge offers to erase tasks...
What does PorterDuff.Mode mean in android graphics.What does it do?
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Here's an excellent article with illustrations by a Google engineer:
http://ssp.impulsetrain.com/porterduff.html
PorterDuff is described as a way of combining images as if they were "irregular shaped pieces of cardboard" overlayed on each other, as well as a scheme for ...
jQuery: Get selected element tag name
...999>").tagName(); //==> "COOLTAGNAME999"
Note that tag names are, by convention, returned CAPITALIZED. If you want the returned tag name to be all lowercase, you can edit the custom function like so:
jQuery.fn.tagNameLowerCase = function() {
return this.prop("tagName").toLowerCase();
};
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Why isn't Python very good for functional programming? [closed]
...ramming in Python is that imperative/OO use cases are carefully considered by Guido, while functional programming use cases are not. When I write imperative Python, it's one of the prettiest languages I know. When I write functional Python, it becomes as ugly and unpleasant as your average language ...
Determining the last changelist synced to in Perforce
...ded for things like injecting the changelist number into the revision info by the automatic build system.
10 Answers
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Add characters to a string in Javascript
... Apr 22 '11 at 11:03
Walter RumsbyWalter Rumsby
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ix]# /usr/sbin/postfix start
postfix/postfix-script: warning: not owned by postfix: /var/spool/postfix/hold
postsuper: fatal: scan_dir_push: open directory hold: Permission denied
postfix/postfix-script: fatal: Postfix integrity check failed!
呵呵权限问题，看你的postfix的用...
Using a strategy pattern and a command pattern
...on and the Pipeline pattern you describe. The "contract of sorts" provided by your delegates is another pattern, Interface.
– Huperniketes
Oct 2 '12 at 9:58
add a comment
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How can I change the color of a Google Maps marker?
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With version 3 of the Google Maps API, the easiest way to do this may be by grabbing a custom icon set, like the one that Benjamin Keen has created here:
http://www.benjaminkeen.com/?p=105
If you put all of those icons at the same place as your map page, you can colorize a Marker simply by using...
What is the most pythonic way to check if an object is a number?
... rather than the duck thing, is preferred when you're multiplying a vector by X. In this case you want to do different things based on what X is. (It might act as something that multiplies, but the result might be nonsensical.)
– Evgeni Sergeev
May 2 '15 at 5:3...