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Fast way of counting non-zero bits in positive integer

...)) # py2: use bytearray Or just define it literally: counts = (b'\x00\x01\x01\x02\x01\x02\x02\x03\x01\x02\x02\x03\x02\x03\x03\x04' b'\x01\x02\x02\x03\x02\x03\x03\x04\x02\x03\x03\x04\x03\x04\x04\x05' b'\x01\x02\x02\x03\x02\x03\x03\x04\x02\x03\x03\x04\x03\x04\x04\x05' ...
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Repeat String - Javascript

... "less code" because, as others have noted in subsequent answers, it performs like a pig. So don't use it if speed matters to you. I'd put this function onto the String object directly. Instead of creating an array, filling it, and joining it with an empty char, just create an array of the pro...
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how to check the dtype of a column in python pandas

... dantheliondanthelion 2,0701111 silver badges99 bronze badges 1 ...
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How to print VARCHAR(MAX) using Print Statement?

...he query will usually error out. If they are XML, the string may end up reformatted into another "equivalent" XML form. – Jirka Hanika Sep 7 '15 at 6:16 8 ...
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How to drop multiple columns in postgresql

...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); }); $window.unbind('scroll', onScroll); } }; ...
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Difference between Control Template and DataTemplate in WPF

... a data item. Example: I want to show a button from rectangular to circle form => Control Template. And if you have complex objects to the control, it just calls and shows ToString(), with DataTemplate you can get various members and display and change their values of the data object. ...
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Removing the title text of an iOS UIBarButtonItem

...k Button title for the Back Button that will segue to this View Controller form the one that was pushed on top of it, not for the Back Button that will be displayed inside this Controller!" – Jayson Lane Sep 3 '14 at 19:33 ...
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Check if a string matches a regex in Bash script

...r-- --month-- --day-- | # | either 01...09 either 01..09 end of line # start of line or 10,11,12 or 10..29 # or 30, 31 That is, you can define a regex in Bash matching the format you wan...
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Add Variables to Tuple

.... While trying to add to the DB, I am thinking of creating tuples out of information and then add them to the DB. 8 Answer...
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How can I get enum possible values in a MySQL database?

...e values by querying it like this: SELECT SUBSTRING(COLUMN_TYPE,5) FROM information_schema.COLUMNS WHERE TABLE_SCHEMA='databasename' AND TABLE_NAME='tablename' AND COLUMN_NAME='columnname' From there you'll need to convert it into an array: eval that directly into an array if you're la...