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Algorithm to detect corners of paper sheet in photo
...of a rush, so the code needs some errr...decoding...
I'll give a few tips from what I've seen you doing already, and then sort my code on my day off tomorrow.
First tip, OpenCV and python are awesome, move to them as soon as possible. :D
Instead of removing small objects and or noise, lower the c...
Effect of a Bitwise Operator on a Boolean in Java
...nswers, it's worth noting that && and || have different precedence from & and |.
Extract from the precedence table (with highest precedence at the top).
bitwise AND &
bitwise exclusive OR ^
bitwise inclusive OR |
logical AND &&
...
Grepping a huge file (80GB) any way to speed it up?
... --pipe --block 10M grep -i -C 5 'db_pd.Clients'
It's not entirely clear from you question, but other options for grep include:
Dropping the -i flag.
Using the -F flag for a fixed string
Disabling NLS with LANG=C
Setting a max number of matches with the -m flag.
...
How does std::forward work? [duplicate]
... reference to cv TR -> TR (rvalue reference to T)
(Shamelessly stolen from this answer.)
And then let's take a look at a class that wants to employ perfect forwarding:
template<class T>
struct some_struct{
T _v;
template<class U>
some_struct(U&& v)
: _v(static_ca...
Media Queries: How to target desktop, tablet, and mobile?
... Zeldman's post about Ethan Marcotte and how responsive web design evolved from the initial idea.
Use semantic markup
Further, the simpler and more semantic the DOM structure with nav, header, main, section, footer etc. (avoiding abominations like div class="header" with nested inner div tags) the e...
Why is Java's Iterator not an Iterable?
...instance in a collection. Iterable implies that one may obtain an iterator from an object to traverse over its elements - and there's no need to iterate over a single instance, which is what an iterator represents.
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How to replace innerHTML of a div using jQuery?
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From the jQuery API documentation (api.jquery.com/text), text() is different as: Unlike the .html() method, .text() can be used in both XML and HTML documents.. Furthermore, according to stackoverflow.com/questions/1910794/...
How is the 'use strict' statement interpreted in Node.js? [duplicate]
...
ECMAScript 6:
ECMAScript 6 Code & strict mode. Following is brief from the specification:
10.2.1 Strict Mode Code
An ECMAScript Script syntactic unit may be processed using either unrestricted or strict mode syntax and semantics. Code is interpreted as strict mode code in the follo...
How to make overlay control above all other controls?
...r Grid in your layout, give the control to be put on top a higher ZIndex.
From MSDN:
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="ZIndex Sample">
<Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas.Left...
Preserve line endings
...se Windows line endings (\r\n) or even better to preserve the line endings from the file?
5 Answers
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