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Why use try {} finally {} with an empty try block?
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From http://blog.somecreativity.com/2008/04/10/the-empty-try-block-mystery/:
This methodology guards against a
Thread.Abort call interrupting the
processing. The MSDN page of
Thread.Abort says that “Unexecuted
finally blocks are executed before the...
How to override to_json in Rails?
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You are getting ArgumentError: wrong number of arguments (1 for 0) because to_json needs to be overridden with one parameter, the options hash.
def to_json(options)
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end
Longer explanation of to_json, as_json, and rendering:
In ActiveSupport 2.3.3, as_json was added to address ...
CSS transition effect makes image blurry / moves image 1px, in Chrome?
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2020 update
If you have issues with blurry images, be sure to check answers from below as well, especially the image-rendering CSS property.
For best practice accessibility and SEO wise you could replace the background imag...
Python - use list as function parameters
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edited Jun 18 '15 at 21:03
answered Apr 16 '13 at 18:04
M...
How to access a preexisting collection with Mongoose?
I have a large collection of 300 question objects in a database test . I can interact with this collection easily through MongoDB's interactive shell; however, when I try to get the collection through Mongoose in an express.js application I get an empty array.
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Which concurrent Queue implementation should I use in Java?
... ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread removes an element. The fairness issue is what happens if multiple threads try to insert and remove at the same time (in other wor...
How to select first and last TD in a row?
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answered Aug 29 '11 at 10:18
James AllardiceJames Allardice
152k2121 gold badges309309 silver badges301301 bronze badges
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How can I tell if my server is serving GZipped content?
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230
It looks like one possible answer is, unsurprisingly, curl:
$ curl http://example.com/ --silent...
How to get result of console.trace() as string in javascript with chrome or firefox?
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103
I'm not sure about firefox, but in v8/chrome you can use a method on the Error constructor call...
What is ng-transclude?
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90
This is much better description, than their official docs. That one makes my head hurt.
– Capaj
May 2...