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Algorithm to detect corners of paper sheet in photo
...er, but was definitely providing best results.
For the Houghline2() Transform, try with the CV_HOUGH_STANDARD as opposed to the CV_HOUGH_PROBABILISTIC, it'll give rho and theta values, defining the line in polar coordinates, and then you can group the lines within a certain tolerance to those.
M...
Grepping a huge file (80GB) any way to speed it up?
...-F, as man fgrep will tell you. Some versions of the man also say that the former is deprecated for the latter, but the shorter form is too convenient to die.
– Walter Tross
Jun 7 '16 at 16:20
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What are bitwise operators?
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x<<n , so n must be in the form of 2^value?
– Ahmed C
Jun 5 at 9:26
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How to edit data in result grid in SQL Server Management Studio
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This is 2019, its latest version is SSMS 2017, still same approach should be used to edit grid cells! such a bad UI Design!
– S.Serpooshan
Dec 29 '18 at 6:18
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How do I break out of a loop in Perl?
...variable... but why do all that work just to use a break, it is (very) bad form, not to mention (blah!)just saying, its "possible" just not a good idea & not what you may think it is
– osirisgothra
Sep 1 '14 at 15:50
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What is causing ERROR: there is no unique constraint matching given keys for referenced table?
...at a foreign key must reference columns
that either are a primary key or form a unique constraint.
Emphasis mine.
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How to merge lists into a list of tuples?
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YOUYOU
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equals vs Arrays.equals in Java
...ce.
– Peter Lawrey
Oct 29 '13 at 18:01
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@AdamParkin That why we have Arrays.deepEquals(Object[]...
HTML5 record audio to file
...ue);
/* RIFF type */
writeString(view, 8, 'WAVE');
/* format chunk identifier */
writeString(view, 12, 'fmt ');
/* format chunk length */
view.setUint32(16, 16, true);
/* sample format (raw) */
view.setUint16(20, 1, true);
/* channel cou...
Sending a JSON to server and retrieving a JSON in return, without JQuery
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Sending and receiving data in JSON format using POST method
// Sending and receiving data in JSON format using POST method
//
var xhr = new XMLHttpRequest();
var url = "url";
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/json"...