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How do I clear stuck/stale Resque workers?

...me, I would still see this in redis-web: 0 out of 10 Workers Working Finally, this worked for me to clear all the workers: Resque.workers.each {|w| w.unregister_worker} share | improve this an...
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What is the meaning of addToBackStack with null parameter?

I have a customer code. There is only one activity for all of the fragments i.e. the single activity is managing all the fragments. ...
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How to configure Ruby on Rails with no database?

It would be convenient to use Ruby on Rails for a small website project that has no current need for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database? ...
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Why does “split” on an empty string return a non-empty array?

...ngleton array containing just the input string is returned, Second, remove all the rightmost empty strings. This is the reason ",,,".split(",") returns empty array. According to this, the result of "".split(",") should be an empty array because of the second step, right? It should. Unfortunately,...
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Cannot import XSSF in Apache POI

...in your project, along with the dependencies for it You can get a list of all the components and their dependencies on the POI website here. What you probably want to do is download the 3.11 binary package, grab the poi-ooxml jar from it, and the dependencies in the ooxml-lib directory. Import the...
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin

...n the Connection-Pool's territory There's a good reason why ADO.NET internally manages the underlying Connections to the DBMS in the ADO-NET Connection-Pool: In practice, most applications use only one or a few different configurations for connections. This means that during application exe...
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How to suppress Update Links warning?

... UPDATE: After all the details summarized and discussed, I spent 2 fair hours in checking the options, and this update is to dot all is. Preparations First of all, I performed a clean Office 2010 x86 install on Clean Win7 SP1 Ultimate x64...
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AppStore - App status is ready for sale, but not in app store

... but I found that the app goes live after resetting the dates again, especially if there's been app rejections in the past. I guess it messes up with the dates. Looks like sometimes if you do nothing and just follow the instructions, the app will never go live. ...
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How do you pass arguments to define_method?

... your defined method accepts arguments. When you define a method you're really just nicknaming the block and keeping a reference to it in the class. The parameters come with the block. So: define_method(:say_hi) { |other| puts "Hi, " + other } ...
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How to check if a string in Python is in ASCII?

... def is_ascii(s): return all(ord(c) < 128 for c in s) share | improve this answer | follow | ...