大约有 800 项符合查询结果（耗时：0.0101秒） [XML]
GUI Tool for PostgreSQL [closed]
...le screenshot of the app. Dead giveaway it sucks.
– Pål Thingbø
Apr 17 '18 at 4:57
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Last non-empty cell in a column
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@ Jean-François, Sorry, I acknowledged that in a comment last night but put it in the original post by mistake. It does work in XL 2007 and 2010. Thanks.
– Doug Glancy
Mar 27 '11 at 16:41
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Getting the parent div of element
This should be really simple but I'm having trouble with it. How do I get a parent div of a child element?
7 Answers
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CSS hexadecimal RGBA?
...ix hex-digits) is actually a 24-bit color value; 0xFFFFFFFF is actually 2³²−1, and can be represented as unsigned 32-bit integer. I think the reason why #ffffffff (eight hex-digits) is not specified is both that CSS colors are rooted in sRGB color space and that an eight-hex-digit notation woul...
How do I access the request object or any other variable in a form's clean() method?
...nswered Nov 16 '15 at 23:47
François ConstantFrançois Constant
4,74511 gold badge2626 silver badges3333 bronze badges
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What is self-documenting code and can it replace well documented code? [closed]
...eing done:
/* compute displacement with Newton's equation x = vₒt + ½at² */
const float gravitationalForce = 9.81;
float timeInSeconds = 5;
float displacement = (1 / 2) * gravitationalForce * (timeInSeconds ^ 2);
And the final version of code as documentation with zero comments needed:
float...
Print a string as hex bytes?
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Verified,Python 3.7.6: import sys ; s="Déjà vu Besançon,Lupiñén,Šiauliai,Großräschen,Łódź,Аша,广东省,LA" ; for c in s: ; w=sys.stdout.write(c+":"+c.encode('utf-8').hex()+"||") ; (out) D:44||é:c3a9||j:6a||à:c3a0|| :20||v:76||u:75|| :20||B:42||e:65||s:73||a:61||...
Android: Getting a file URI from a content URI?
...wered Mar 5 at 5:50
Muhammed Yalçın KuruMuhammed Yalçın Kuru
41977 silver badges1212 bronze badges
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Determine Whether Integer Is Between Two Other Integers?
...n 3.5: %timeit 5 in range(10000, 30000) 1000 loops, best of 3: 451 µs per loop. %timeit 10000 <= 5 <= 30000 10000000 loops, best of 3: 59.4 ns per loop. that's a factor of over 7000
– tback
Nov 10 '16 at 10:03
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Algorithm to calculate the number of divisors of a given number
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At each iteration, you have to calculate i², wouldn't it be faster to compare i with √n (calculated only once)?
– Yukulélé
Apr 13 at 18:29
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