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Extract first item of each sublist

... 201 Using list comprehension: >>> lst = [['a','b','c'], [1,2,3], ['x','y','z']] >>&...
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

...conds with'%Q tho. – Mini John Feb 10 '15 at 2:13 3 To follow up on @TheMiniJohn's answer. It loo...
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How to draw a rounded Rectangle on HTML Canvas?

... 50 The HTML5 canvas doesn't provide a method to draw a rectangle with rounded corners. How about u...
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How can I convert a DateTime to the number of seconds since 1970?

...ateTime variable to Unix time, ie, the number of seconds since Jan 1st, 1970. It looks like a DateTime is actually implemented as the number of 'ticks' since Jan 1st, 0001. ...
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Using String Format to show decimal up to 2 places or simple integer

I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...
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How to validate an email address in PHP

... 10 Answers 10 Active ...
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UITableView - scroll to the top

...e top. But I cannot guarantee that the first object is going to be section 0, row 0. May be that my table view will start from section number 5. ...
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How to check if a string is a valid hex color representation?

... /^#[0-9A-F]{6}$/i.test('#AABBCC') To elaborate: ^ -> match beginning # -> a hash [0-9A-F] -> any integer from 0 to 9 and any letter from A to F {6} -> the previous group appears exactly 6...
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How to output only captured groups with sed?

... answered May 6 '10 at 2:39 Paused until further notice.Paused until further notice. 286k8181 gold badges340340 silver badges409409 bronze badges ...
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Email Address Validation in Android on EditText [duplicate]

...target). – rciovati Apr 13 '13 at 9:02 20 ...