大约有 1,100 项符合查询结果（耗时：0.0182秒） [XML]
Using fonts with Rails asset pipeline
...: 'FontAwesome';
src: url("/assets/fontawesome-webfont-d4f5a99224154f2a808e42a441ddc9248ffe78b7a4083684ce159270b30b912a.eot" "?v=4.4.0");
src: url("/assets/fontawesome-webfont-d4f5a99224154f2a808e42a441ddc9248ffe78b7a4083684ce159270b30b912a.eot" "?#iefix&v=4.4.0") format("embedded-openty...
Rank function in MySQL
...dents = 0;
select count(*) into @totalStudents from marksheets;
SELECT id, score, @curRank := IF(@prevVal=score, @curRank, @studentNumber) AS rank,
@percentile := IF(@prevVal=score, @percentile, (@totalStudents - @studentNumber + 1)/(@totalStudents)*100),
@studentNumber := @studentNumber + 1 as stu...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
... 0 to 4294967295
bigint | 8 bytes -9223372036854775808 to 9223372036854775807 0 to 18446744073709551615
The "unsigned" types are only available in MySQL, and the rest just use the signed ranges, with one notable exception: tinyint in SQL Server is unsigned and has a value...
How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
...t looks like PHP doesn't work the same way as at least Javascript or C#.
$score = 15;
$age = 5;
// The following will return "Exceptional"
echo 'Your score is: ' . ($score > 10 ? ($age > 10 ? 'Average' : 'Exceptional') : ($age > 10 ? 'Horrible' : 'Average'));
// The following will return...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...
A really simple way would be to compute a score based on the lack of vowels in the word, the number of unique letters, and the commonness of each letter:
letters = 'etaoinshrdlcumwfgypbvkjxqz'
vowels = set('aeiou')
def difficulty(word):
unique = set(word)
p...
How to do math in a Django template?
...
You can use the add filter:
{{ object.article.rating_score|add:"-100" }}
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How do I get the MIN() of two fields in Postgres?
...the answer by putting that data into a column like this:
SELECT name, MIN(score_a, score_b) as minimum_score
FROM table
Here, we are putting the minimum value among score_a and score_b and printing the same by storing that value in a column named minimum_score.
...
How does BitLocker affect performance? [closed]
... a system partition. Results for a non-system partition are a bit better.
Score decrease:
Read: 5%
Write: 16%
Without BitLocker:
With BitLocker:
So you can see that with a very strong configuration and a modern SSD disk you can see a small performance degradation with tests. I don't know wha...
What is RSS and VSZ in Linux memory management
... invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
So we see that interestingly it was the MongoDB daemon that always runs in my laptop on the background that first triggered the OOM killer, presumably when the poor thing was trying to allocate some memory.
How...
What is the difference between “int” and “uint” / “long” and “ulong”?
...7
uint: 0 to 4294967295
And for long (64 bit):
long: -9223372036854775808 to 9223372036854775807
ulong: 0 to 18446744073709551615
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