大约有 40,000 项符合查询结果(耗时:0.0344秒) [XML]

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How do you know what to test when writing unit tests? [closed]

...he simple payment. Both tests should pass of course. Then I worked my way down to the more complex scenarios. 1) Think of a new scenario 2) Write a test for that scenario 3) Run that single test to see if it would pass 4) If it didn't I'd debug and modify the code until it would pass. 5) W...
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Finding ALL duplicate rows, including “elements with smaller subscripts”

... Agree. Might even slow down processing but unlikely to slow it down very much. – IRTFM Jun 21 '18 at 14:42 ...
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Simple Pivot Table to Count Unique Values

...rmula =IF(SUMPRODUCT(($A$2:$A2=A2)*($B$2:$B2=B2))>1,0,1) and copy it down. Now create your pivot based on 1st and 3rd column. See snapshot share | improve this answer | ...
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Eclipse: All my projects disappeared from Project Explorer

...ta data had become corrupted, probably due to Eclipse being improperly shutdown. The solution, as explained here, is to: Note, steps 2 & 3 are optional if Eclipse isn't crashing, but just not showing any projects. Close Eclipse. cd /home/user/workspace/.metadata/.plugins mv org.eclipse.core....
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When do Java generics require

...ch as List<Date> or Map<K, V> as in the example) is to force a downcast and to have the compiler guarantee that this is safe (no runtime exceptions). Consider the case of List. The essence of my question is why a method that takes a type T and a List won't accept a List of something fur...
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CSS text-transform capitalize on all caps

... Can you please remove @JDuarteDJ the down vote? Again, my answer is accordingly to what was questioned. And if you see what was selected as answer also uses JavaScript, even jQuery. Thanks. – ronnyfm Feb 28 '19 at 17:58 ...
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How to disable the warning 'define' is not defined using JSHint and RequireJS

...mp; Frameworks > JavaScript > Code Quality Tools > JSHint Scroll down to "Environments" and make sure you have selected the checkbox to enable "Mocha" which will set up the definitions for JSHint for Mocha for you. ...
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Uses for Optional

...ways, but using Optional in fields potentially bloats memory use and slows down data structure traversal. And finally I think it clutters up code, but this is a matter of taste. – Stuart Marks May 20 '16 at 0:35 ...
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What is a difference between

...s) as a subset. That verbal relationship is fine. What I'm saying breaks down is the notion that "upper" and "lower" have intrinsic mappings to "superset" and "subset". Upper and Lower should be avoided as terms in OO. – user4229245 Sep 16 '15 at 7:33 ...
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How do I declare a 2d array in C++ using new?

...returns a pointer to an array, which is then indexed with [y]. Breaking it down: int* row = matrix[ x ]; int val = row[ y ]; Convenient, yes? We like our [ x ][ y ] syntax. But the solution has a big disadvantage, which is that it is both fat and slow. Why? The reason that it's both fat and...