大约有 5,500 项符合查询结果(耗时:0.0201秒) [XML]

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How do I read an entire file into a std::string in C++?

...on times than the other answers presented here, when taking the average of 100 runs against the text of Moby Dick (1.3M). Not bad for a portable C++ solution, I would like to see the results of mmap'ing the file ;) share ...
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Measure the time it takes to execute a t-sql query

...ME=N'TestProc'; SELECT CONVERT(TIME(3),DATEADD(ms,ROUND(last_elapsed_time/1000.0,0),0)) AS LastExecutionTime FROM sys.dm_exec_procedure_stats WHERE OBJECT_NAME(object_id,database_id)=@ProcName AND (OBJECT_SCHEMA_NAME(object_id,database_id)=@SchemaName OR @SchemaName IS NULL) AND ...
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How to avoid the “divide by zero” error in SQL?

... SET ARITHABORT OFF SET ANSI_WARNINGS OFF So if you have something like 100/0 it will return NULL. I've only done this for simple queries, so I don't know how it will affect longer/complex ones. share | ...
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Center a position:fixed element

...ion: fixed; width: 500px; height: 200px; top: 50%; left: 50%; margin-top: -100px; /* Negative half of height. */ margin-left: -250px; /* Negative half of width. */ Or, if you don't care about centering vertically and old browsers such as IE6/7, then you can instead also add left: 0 and right: 0 to...
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Replace input type=file by an image

...; <label for="file-input"> <img src="https://placehold.it/100/000000/ffffff?text=UPLOAD" style="pointer-events: none"/> </label> <input id="file-input" type="file" /> </div> I have used visibility: hidden, width:0 instead of display: none for saf...
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SQL Query to concatenate column values from multiple rows in Oracle

... PeterPeter 12.2k1010 gold badges6868 silver badges100100 bronze badges ...
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get and set in TypeScript

...cases where it won't work exactly the same as a var and i need to test all 100 places that use this var/prop? – Adam Plocher Nov 19 '18 at 11:51 ...
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Python List vs. Array - when to use?

... Actually, I did a quick test - I timed summing a list with 100M entries and the same test with the corresponding array, and the list was actually about 10% faster. – Moe Oct 6 '08 at 20:45 ...
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What's the best way to break from nested loops in JavaScript?

... Are you guys really arguing about whether checking a single boolean value 10000 times is fast or slow? try 100 million times /sigh – fabspro May 2 at 10:46 ...
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Why is it not possible to extend annotations in Java?

... +100 About the reason why it wasn't designed that way you can find the answer in the JSR 175 Design FAQ, where it says: Why don’t ...