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How to resize an image with OpenCV2.0 and Python2.6
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If you wish to use CV2, you need to use the resize function.
For example, this will resize both axes by half:
small = cv2.resize(image, (0,0), fx=0.5, fy=0.5)
and this will resize the image to have 100 cols (width) and 5...
Passing command line arguments from Maven as properties in pom.xml
...nd line"
Note quotes around whole property definition. You'll need them if your property contains spaces.
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Difference between ProcessBuilder and Runtime.exec()
I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() .
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Why is auto_ptr being deprecated?
...f assignments supported by auto_ptr
copy assignment (4) culprit
Now coming to the reason WHY the copy assignment itself was so disliked, I have this theory :
Not all programmers read books or standards
auto_ptr on the face of it, promises you ownership of the object
the little-* (pun in...
What's invokedynamic and how do I use it?
... the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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nginx upload client_max_body_size issue
...onnection, the client sends data to the closed socket, causing a TCP RST.
If your HTTP client supports it, the best way to handle this is to send an Expect: 100-Continue header. Nginx supports this correctly as of 1.2.7, and will reply with a 413 Request Entity Too Large response rather than 100 C...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
..."),
path = require("path");
http.createServer(function (req, res) {
if (req.url != "/movie.mp4") {
res.writeHead(200, { "Content-Type": "text/html" });
res.end('<video src="http://localhost:8888/movie.mp4" controls></video>');
} else {
var file = path.resolve(__dirna...
How to change the default charset of a MySQL table?
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If you want to change the table default character set and all character columns to a new character set, use a statement like this:
ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name;
So query will be:
ALTER TAB...
Composer: how can I install another dependency without updating old ones?
... keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
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Adding 'serial' to existing column in Postgres
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If there is a chance that the target table was created by a different user, you'd need to do ALTER TABLE foo OWNER TO current_user; first.
– DKroot
Apr 6 '18 at 14:47
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