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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...
OpenCV is pretty much the same for all platforms (Win/Linux/Mac/iPhone/...). The difference is that some don't supported the GPU module of OpenCV. Have you built OpenCV for iOS already? Were you able to test it? I think these are the questions you need to answer before tryin...
What is a “cache-friendly” code?
...ache lines to understand how this works: How do cache lines work?
The following particular aspects are of high importance to optimize caching:
Temporal locality: when a given memory location was accessed, it is likely that the same location is accessed again in the near future. Ideally, this inform...
Compiled vs. Interpreted Languages
... called (which may be many, many times...). So over time, the JIT compiler wins by a long margin.
– mikera
Sep 17 '13 at 13:47
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Transactions in REST?
I'm wondering how you'd implement the following use-case in REST. Is it even possible to do without compromising the conceptual model?
...
Is there a difference between copy initialization and direct initialization?
...t set up one implicit conversion sequence.
I tried hard and got the following code to output different text for each of those forms, without using the "obvious" through explicit constructors.
#include <iostream>
struct B;
struct A {
operator B();
};
struct B {
B() { }
B(A const&...
Alternative to google finance api [closed]
...amples, visit this page.
For XML and JSON-based data, you can do the following:
Don't use YQL (Yahoo Query Language)**
For example:
http://developer.yahoo.com/yql/console/?q=select%20*%20from%20yahoo.finance
.quotes%20where%20symbol%20in%20(%22YHOO%22%2C%22AAPL%22%2C%22GOOG%22%2C%22
MSFT%22)%0...
How to return dictionary keys as a list in Python?
...17 at 7:49
未来陆家嘴顶尖的投资人未来陆家嘴顶尖的投资人
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How to implement classic sorting algorithms in modern C++?
...draft Effective Modern C++ and Herb Sutter's revamped GotW. I use the following style recommendations:
Herb Sutter's "Almost Always Auto" and Scott Meyers's "Prefer auto to specific type declarations" recommendation, for which the brevity is unsurpassed, although its clarity is sometimes disputed....
onchange event on input type=range is not triggering in firefox while dragging
...r 2 past either end of the slider
final mouse-up (or touch-end)
The following table shows how at least three different desktop browsers differ in their behaviour with respect to which of the above scenarios they respond to:
Solution:
The onRangeChange function provides a consistent and predict...
How to convert a string to utf-8 in Python
...rying to print unicode and was getting �s.
– 智障的人
Feb 7 '16 at 17:53
How to you convert u back to a str form...