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List comprehension vs map

... map when using exactly the same function: $ python -mtimeit -s'xs=range(10)' 'map(hex, xs)' 100000 loops, best of 3: 4.86 usec per loop $ python -mtimeit -s'xs=range(10)' '[hex(x) for x in xs]' 100000 loops, best of 3: 5.58 usec per loop An example of how performance comparison gets completely r...
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python re.sub group: number after \number

... 330 The answer is: re.sub(r'(foo)', r'\g<1>123', 'foobar') Relevant excerpt from the docs: ...
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Test if something is not undefined in JavaScript

I'm checking if(response[0].title !== undefined) , but I get the error: 11 Answers 11...
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Exit codes in Python

I got a message saying script xyz.py returned exit code 0 . What does this mean? 13 Answers ...
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How to list records with date from the last 10 days?

... SELECT Table.date FROM Table WHERE date > current_date - interval '10' day; I prefer that format as it makes things easier to read (but it is the same as current_date - 10). share | improve...
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Is there StartsWith or Contains in t sql with variables?

... @isExpress = case when left(@edition, 15) = 'Express Edition' then 1 else 0 end iif function (starting with SQL Server 2012) set @isExpress = iif(left(@edition, 15) = 'Express Edition', 1, 0); charindex function set @isExpress = iif(charindex('Express Edition', @edition) = 1, 1, 0); ...
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Which version of MVC am I using?

...ome reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010. 9 Answers ...
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Python to print out status bar and percentage

...t progressbar from time import sleep bar = progressbar.ProgressBar(maxval=20, \ widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()]) bar.start() for i in xrange(20): bar.update(i+1) sleep(0.1) bar.finish() To install it, you can use easy_install progressbar, or pip ...
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How to “fadeOut” & “remove” a div in jQuery?

... Try this: <a onclick='$("#notification").fadeOut(300, function() { $(this).remove(); });' class="notificationClose "><img src="close.png"/></a> I think your double quotes around the onclick were making it not work. :) EDIT: As pointed out below, inline java...
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SQLite string contains other string query

... Maksim Turaev 2,8512020 silver badges3636 bronze badges answered Aug 17 '10 at 2:17 OMG PoniesOMG Ponies ...