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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
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answered Jun 19 '10 at 16:53
Niels WindNiels Wind
40522 silver badges44 bronze badges
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Logging levels - Logback - rule-of-thumb to assign log levels
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473
I mostly build large scale, high availability type systems, so my answer is biased towards looki...
What does an exclamation mark mean in the Swift language?
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534
What does it mean to "unwrap the instance"? Why is it necessary?
As far as I can work out ...
How do I read any request header in PHP
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360
IF: you only need a single header, instead of all headers, the quickest method is:
<?php
/...
Measure elapsed time in Swift
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232
Here's a Swift function I wrote to measure Project Euler problems in Swift
As of Swift 3, there...
Android: View.setID(int id) programmatically - how to avoid ID conflicts?
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Nikolay IvanovNikolay Ivanov
8,39733 gold badges2828 silver badges3333 bronze badges
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Displaying the Indian currency symbol on a website
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The HTML entity for the Indian rupee sign is &#8377; (₹). Use it like you would &copy; for the copyright sign. For more, read Wikipedia's article on the rupee sign.
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Why does MYSQL higher LIMIT offset slow the query down?
... FROM mytable
ORDER BY
id
LIMIT 10000, 30
) q
JOIN mytable t
ON t.id = q.id
See this article:
MySQL ORDER BY / LIMIT performance: late row lookups
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Combine multiple Collections into a single logical Collection?
Assume, I have a constant number of collections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only).
I'm using guava collections and I wonder how I could use guava iterables/iterators to ...
overlay two images in android to set an imageview
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235
You can skip the complex Canvas manipulation and do this entirely with Drawables, using LayerDr...