大约有 47,000 项符合查询结果(耗时:0.0744秒) [XML]

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Getting and removing the first character of a string

... 170 See ?substring. x <- 'hello stackoverflow' substring(x, 1, 1) ## [1] "h" substring(x, 2) ## ...
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?

... There are only 3% of numbers between 1 and 230 which are NOT between 225 and 230. So, this sounds pretty normal :) Because 225 / 230 = 2-5 = 1/32 = 0.03125 = 3.125% share | ...
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Format date to MM/dd/yyyy in JavaScript [duplicate]

I have a dateformat like this '2010-10-11T00:00:00+05:30' . I have to format in to MM/dd/yyyy using JavaScript or jQuery . Anyone help me to do the same. ...
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How do I write data into CSV format as string (not file)?

... TH22 88311 gold badge1111 silver badges2020 bronze badges answered Feb 6 '12 at 8:23 NPENPE 416k8181 gold badges858858...
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How to inspect the return value of a function in GDB?

... return 42; } int main( int argc, char *v[] ) { fun(); return 0; } You can debug it as such -- (gdb) r Starting program: /usr/home/hark/a.out Breakpoint 1, fun () at test.c:2 2 return 42; (gdb) finish Run till exit from #0 fun () at test.c:2 main () at test.c:7 7 ...
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Maven Install on Mac OS X

... 209 OS X prior to Mavericks (10.9) actually comes with Maven 3 built in. If you're on OS X Lion,...
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Understanding scala enumerations

... 150 the Enumeration trait has a type member Value representing the individual elements of the enumer...
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In which order should floats be added to get the most precise result?

... 107 Your instinct is basically right, sorting in ascending order (of magnitude) usually improves th...
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Server polling with AngularJS

...{ $scope.data = Data.query(function(){ $timeout(tick, 1000); }); })(); }; share | improve this answer | follow | ...
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Using custom std::set comparator

... answered Apr 12 '10 at 9:10 YacobyYacoby 49.3k1212 gold badges106106 silver badges115115 bronze badges ...