大约有 43,400 项符合查询结果（耗时：0.0306秒） [XML]
Disable a group of tests in rspec?
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169
To disable a tree of specs using RSpec 3 you can:
before { skip }
# or
xdescribe
# or
xcont...
C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
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71
Okay, I finally have a real answer. I sort of worked it out on my own, but only after Lucian Wis...
Overloading Macro on Number of Arguments
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Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # expands to FOO2(World, !)
FOO(foo,bar,baz) # expands to FOO3(foo,bar,baz)
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Can someone explain the traverse function in Haskell?
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121
traverse is the same as fmap, except that it also allows you to run effects while you're rebui...
Javascript: formatting a rounded number to N decimals
...number, something like:
var s = number.toString();
if (s.indexOf('.') == -1) s += '.';
while (s.length < s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings...
Scala Doubles, and Precision
...e or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
12 Answers
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Odd behavior when Java converts int to byte?
Mindboggling. Why is the output -124 ?
11 Answers
11
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What does Bump Version stand for?
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271
It means to increment the version number to a new, unique value.
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Grep characters before and after match?
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187
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o ...