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What is the difference between bottom-up and top-down?
...ems" and "bottom-up" may be "compose the subproblems"). Previously, I have read on memoization being a different kind of dynamic programming as opposed to a subtype of dynamic programming. I was quoting that viewpoint despite not subscribing to it. I have rewritten this answer to be agnostic of the ...
Getting the closest string match
...useful Levenshtein distance algorithm on Wikipedia.
Implementation
After reading about the theory behind it, I implemented and found ways to optimize it. This is how my code looks like in VBA:
'Calculate the Levenshtein Distance between two strings (the number of insertions,
'deletions, and subs...
How does StartCoroutine / yield return pattern really work in Unity?
...ing a process that will take place over multiple frames – without multithreading – you need to find some way of breaking the work up into chunks that can be run one-per-frame. For any algorithm with a central loop, it’s fairly obvious: an A* pathfinder, for example, can be structured such that...
Twitter image encoding challenge [closed]
...F-8
And this is the decoding process:
The image size and points are read from the UTF-8 stream
For each pixel in the destination image:
The list of natural neigbours is computed
The pixel's final colour is set as a weighted average of its natural neighbours' colours
Wha...
Can someone explain the right way to use SBT?
...(for task-key)
the 3 flavors of settings (SettingKey, TaskKey, InputKey) - read the section called "Task Keys" in http://www.scala-sbt.org/release/docs/Getting-Started/Basic-Def
Keep those 4 pages open at all times so that you can jump and look up various definitions and examples:
http://www.sca...
What is the best way to auto-generate INSERT statements for a SQL Server table?
...
Be sure to read Noonand's comment below -- the check box is not under SCRIPT DATA = TRUE, instead it is under General section, choose the appropriate option for 'Types of data to script'.
– Richard West
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Concurrent vs serial queues in GCD
...lock that takes a minute to execute. You add it to a queue from the main thread. Let's look at the four cases.
async - concurrent: the code runs on a background thread. Control returns immediately to the main thread (and UI). The block can't assume that it's the only block running on that queue
as...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...
TL;DR: Don't like reading? Jump straight to the sample projects on GitHub:
iOS 8 Sample Project - Requires iOS 8
iOS 7 Sample Project - Works on iOS 7+
Conceptual Description
The first 2 steps below are applicable regardless of which iOS ...
What's the difference between eval, exec, and compile?
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@habnabit not like that. Please read the bottom of my answer here and be surprised.
– Antti Haapala
Apr 7 '15 at 4:11
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Fastest way to iterate over all the chars in a String
...PDATE: Before you try this ever in a production environment (not advised), read this first: http://www.javaspecialists.eu/archive/Issue237.html
Starting from Java 9, the solution as described won't work anymore, because now Java will store strings as byte[] by default.
SECOND UPDATE: As of 2016-10-2...