大约有 3,285 项符合查询结果（耗时：0.0158秒） [XML]
How can I scan barcodes on iOS?
...des, C based.
According to my experiments, ZBar is far more accurate and fast than ZXing, at least on iPhone.
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Remove querystring from URL
...pected. However it is interesting to note that the substring method is the fastest, especially in Firefox.
1st UPDATE: Actually the split() method suggested by Robusto is a better solution that the one I suggested earlier, since it will work even when there is no querystring:
var testURL = '/Pro...
What is the colon operator in Ruby?
...false
:foo.equal? :foo # true
This makes comparing two symbols really fast (since only a pointer comparison is involved, as opposed to comparing all the characters like you would in a string), plus you won't have a zillion copies of the same symbol floating about.
Also, unlike strings, symbols...
Converting an int to std::string
...l_cast.hpp
Work's for everything with std::ostream support, but is not as fast as, for example, itoa
It even appears to be faster than stringstream or scanf:
http://www.boost.org/doc/libs/1_53_0/doc/html/boost_lexical_cast/performance.html
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Single TextView with multiple colored text
...llCaps() in code, the same issue will appear.
– joao2fast4u
Dec 10 '15 at 11:21
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Html.fromHtml(S...
How do you round to 1 decimal place in Javascript?
...t;< 0) * 0.1;
But hey, since there are no function calls, it's wicked fast. :)
And here's one that uses string matching:
var rounded = (num + '').replace(/(^.*?\d+)(\.\d)?.*/, '$1$2');
I don't recommend using the string variant, just sayin.
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Find out how much memory is being used by an object in Python [duplicate]
...t and compare.
This method has many drawbacks but it will give you a very fast estimate for very big objects.
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How can I tell if a library was compiled with -g?
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super great for a fast checking ! also works on *.o object files.
– Stephane Rolland
Jun 13 at 18:58
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How to assign string to bytes array
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Go, convert a string to a bytes slice
You need a fast way to convert a []string to []byte type. To use in situations such as storing text data into a random access file or other type of data manipulation that requires the input data to be in []byte type.
package main
func...
How to select the row with the maximum value in each group
...eeing as data.table has had a LOT of changes since 2014, is this still the fastest/best solution to this question?
– Ben
May 24 '16 at 21:03
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