大约有 21,000 项符合查询结果(耗时:0.0342秒) [XML]

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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

...doesn't have enough registers for this to compile well. This code has been tested to work well on Visual Studio 2010/2012 and GCC 4.6.ICC 11 (Intel Compiler 11) surprisingly has trouble compiling it well. These are for pre-FMA processors. In order to achieve peak FLOPS on Intel Haswell and AMD Bulld...
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How do you detect Credit card type based on number?

...1|1800|35\d{3})\d{11}$/ } for(var key in re) { if(re[key].test(number)) { return key } } } Unit test: describe('CreditCard', function() { describe('#detectCardType', function() { var cards = { '8800000000000000': 'UNIONPAY', ...
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PHPUnit: assert two arrays are equal, but order of elements not important

...th a new assertion method. But here's an idea for a simpler way for now. Untested code, please verify: Somewhere in your app: /** * Determine if two associative arrays are similar * * Both arrays must have the same indexes with identical values * without respect to key ordering * * @param...
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split string only on first instance - java

... String string = "This is test string on web"; String splitData[] = string.split("\\s", 2); Result :: splitData[0] => This splitData[1] => is test string String string = "This is test string on web"; String splitData[] = string.split("\\s...
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vim “modifiable” is off

...sitory, do an ls inside it. i got something like this: ~=+www-halo=+test=+lib=+Halo=+Return2=+HeaderTest.php= ~=+www-halo=+test=+lib=+Halo=+Service=+LandmarkTest.php= ~=+www-halo=+test=+lib=+Halo=+Transaction=+AuthnetTest.php= Which is totally useless to you since you have a different file ...
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Java - get the current class name?

... Umm... I have tested this, and I get that the superclass of the anonymous class is the abstract class. I will recheck my logic... but as I am getting the result that makes sense, I don't think it's me that has made the mistake.... ...
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Rename a file using Java

Can we rename a file say test.txt to test1.txt ? 14 Answers 14 ...
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What's the best way to get the last element of an array without deleting it?

...(expected Dec 13 2018). The options (<<option code>>s) I will test are: option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja) option .2. $x = array_slice($array, -1)[0]; (as suggested by Stoutie) option .3. $x = array_pop((array_slice($array, -1))); (as s...
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Rails Observer Alternatives for 4.0

...t aren't tightly coupled to the models. This also makes it a lot easier to test in isolation – Steven Soroka Mar 28 '14 at 2:03 ...
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Set a persistent environment variable from cmd.exe

... Indeed SET TEST_VARIABLE=value works for current process only, so SETX is required. A quick example for permanently storing an environment variable at user level. In cmd, SETX TEST_VARIABLE etc. Not applied yet (echo %TEST_VARIABLE% ...