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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
Is it possible for the same exact Mongo ObjectId to be generated for a document in two different collections? I realize that it's definitely very unlikely, but is it possible?
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How do I find the duplicates in a list and create another list with them?
...tes, something like:
a = [1,2,3,2,1,5,6,5,5,5]
import collections
print([item for item, count in collections.Counter(a).items() if count > 1])
## [1, 2, 5]
Note that Counter is not particularly efficient (timings) and probably overkill here. set will perform better. This code computes a list...
Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
...eed to debug some requests from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well.
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How to stop a program running under Eclipse?
...follow
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edited Mar 30 '14 at 21:06
Pico Riley
11355 bronze badges
answered Feb 11 '11 at...
Akka or Reactor [closed]
... am in the process of starting a new project (java-based). I need to build it as a modular, distributed and resilient architecture.
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When to use Spring Integration vs. Camel?
...e the most sense in a recent project requiring some (JMS) messaging capabilities ( more details ). After some days working with Spring Integration it still feels like a lot of configuration overhead given the amount of channels you have to configure to bring some request-response (listening on diffe...
Is it possible to get element from HashMap by its position?
How to retrieve an element from HashMap by its position, is it possible at all?
14 Answers
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...purpose of running JavaScript code. Which is better, in terms of functionality, page load speed, validation purposes, etc.?
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When would you use the Builder Pattern? [closed]
...e common , real world examples of using the Builder Pattern? What does it buy you? Why not just use a Factory Pattern?
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Is null check needed before calling instanceof?
...on is
not null and the reference could be
cast to the ReferenceType
without raising a ClassCastException.
Otherwise the result is false."
So if the operand is null, the result is false.
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