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Fast way of counting non-zero bits in positive integer
...alf again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of bin(n).count("1"). So if you can install gmpy, use that.
To answer a question in the comments, for bytes I'd use a lookup table. You can generate it at runtime:
counts = bytes(bin(x).count("1") for x in r...
Determine the process pid listening on a certain port
...ion with @Cyclone, the line that does the job is:
sockstat -4 -l | grep :80 | awk '{print $3}' | head -1
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How to create .pfx file from certificate and private key?
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edited May 30 '18 at 8:40
Marius
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
...);
CREATE TABLE
=> insert into test(x) values ('14'), (' 42 ');
INSERT 0 2
=> ALTER TABLE test ALTER COLUMN x TYPE integer;
ERROR: column "x" cannot be cast automatically to type integer
HINT: Specify a USING expression to perform the conversion.
=> ALTER TABLE test ALTER COLUMN x TYPE ...
Quick and easy file dialog in Python?
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Tkinter is the easiest way if you don't want to have any other dependencies.
To show only the d...
Changing the image source using jQuery
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You can use jQuery's attr() function. For example, if your img tag has an id attribute of 'my_i...
Making a Simple Ajax call to controller in asp.net mvc
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asbasb
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Unable to make the session state request to the session state server
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10 Answers
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Removing whitespace between HTML elements when using line breaks
I have a page with a row of about 10 img s. For readability of the HTML, I want to put a linebreak in between each img tag, but doing so renders whitespace between the images, which I do not want. Is there anything I can do other than break in the middle of the tags rather than between them?
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Compiling Java 7 code via Maven
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answered Dec 26 '12 at 16:50
Ryan StewartRyan Stewart
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