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What is the string concatenation operator in Oracle?

... It is ||, for em>xm>ample: select 'Mr ' || ename from emp; The only "interesting" feature I can think of is that 'm>xm>' || null returns 'm>xm>', not null as you might perhaps em>xm>pect. ...
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Precision String Format Specifier In Swift

...est solution so far, following from David's response: import Foundation em>xm>tension Int { func format(f: String) -> String { return String(format: "%\(f)d", self) } } em>xm>tension Double { func format(f: String) -> String { return String(format: "%\(f)f", self) } ...
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Filter dict to contain only certain keys?

...of any size. Both in terms of speed and memory. Since this is a generator em>xm>pression, it processes one item at a time, and it doesn't looks through all items of old_dict. Removing everything in-place: unwanted = set(keys) - set(your_dict) for unwanted_key in unwanted: del your_dict[unwanted_key] ...
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Retrieve the position (m>Xm>,Y) of an HTML element relative to the browser window

I want to know how to get the m>Xm> and Y position of HTML elements such as img and div in JavaScript relative to the browser window. ...
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How to generate random SHA1 hash to use as ID in node.js?

...tring(); crypto.createHash('sha1').update(current_date + random).digest('hem>xm>'); share | improve this answer | follow | ...
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Creating a Radial Menu in CSS

...kground on the root element). 2015 demo Screenshots Chrome 43: Firefom>xm> 38: IE 11: Code The HTML is pretty simple. I'm using the checkbom>xm> hack to reveal/ hide the menu. <input type='checkbom>xm>' id='t'/> <label for='t'>✰</label> <ul> <li><a href='#'&g...
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What's the correct way to convert bytes to a hem>xm> string in Python 3?

What's the correct way to convert bytes to a hem>xm> string in Python 3? 9 Answers 9 ...
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How can I multiply all items in a list together with Python?

...a function that takes a list of numbers and multiplies them together. Em>xm>ample: [1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help. ...
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Algorithm to calculate the number of divisors of a given number

...ms in the list instead of returning them however. Here's a Dr. Math that em>xm>plains what em>xm>actly it is you need to do mathematically. Essentially it boils down to if your number n is: n = a^m>xm> * b^y * c^z (where a, b, and c are n's prime divisors and m>xm>, y, and z are the number of times that divisor ...
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Reorder levels of a factor without changing order of values

.... But this works: reorder(df$letters, seq(4,1)) – Alem>xm> Holcombe Aug 29 '15 at 22:05 1 ...