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Is there a way to create your own html tag in HTML5?
... This is what the specs say: "This specification does not define how conforming user agents handle ... elements ... not specified in this document. [...] we recommend the following behavior: If a user agent encounters an element it does not recognize, it should try to render the element's conten...
How do you close/hide the Android soft keyboard using Java?
...gly truth: to hide the Android keyboard, you will be required to provide 2 forms of identification: a Context and either a View or a Window.
I have created a static utility method that can do the job VERY solidly, provided you call it from an Activity.
public static void hideKeyboard(Activity activi...
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 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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What is the difference between a definition and a declaration?
...In other words, "forward declaration" a misnomer, since there are no other forms of class declarations in C++.)
Thanks to litb (Johannes Schaub) who dug out the actual chapter and verse in one of his answers.
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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"...