大约有 40,000 项符合查询结果(耗时:0.0346秒) [XML]

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Which method performs better: .Any() vs .Count() > 0?

... performance testing. The point was to signal that EF is far from perfect. Newer versions are better... but if you have part of code that's slow and it uses EF, test with direct TSQL and compare performance rather than relying on assumptions (that .Any() is ALWAYS faster than .Count() > 0). Wh...
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Convert InputStream to BufferedReader

...Reader. In this case you'd want to do something like: BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8")); share | improve this answer | follow ...
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How do you comment out code in PowerShell?

...g the Send-MailMessage function, with backticks to put each paremeter on a new line, and commented out one of them ( -Bcc ) and it caused an error on the next line ( -Body : The term '-Body' is not recognized as the name of a cmdlet ...) So it seems commenting out a line in the middle of a call to ...
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UITableViewCell subview disappears when cell is selected

...then it's harder to adjust the gradient or the color (you'd have to make a new image each time), and subclassing UIView just for this seems overkill. – Erik van der Neut Jul 1 '14 at 7:28 ...
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HTML Entity Decode [duplicate]

... = 0, max = entities.length; i < max; ++i) text = text.replace(new RegExp('&'+entities[i][0]+';', 'g'), entities[i][1]); return text; } share | improve this answer | ...
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?

...ntion you often get "1.5 URLs" (i.e. the old URL remains, and just has the new part added to it (i.e. photo.php?id=... twice, but with different ids). Not to mention that "#!" is also added to facebook-mail URLs, which probably aren't (and shouldn't be) indexable. In any case I find the shebang extr...
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How do I fix blurry text in my HTML5 canvas?

...: it also seems that msBackingStorePixelRatio is always undefined. Asked a new question about that here: stackoverflow.com/questions/22483296/… – TV's Frank Mar 19 '14 at 8:19 ...
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Only using @JsonIgnore during serialization, but not deserialization

...T) @RequestMapping("/public/register") public @ResponseBody MsgKit registerNewUsert(@RequestBody User u){ root.registerUser(u); return new MsgKit("registered"); } @Service @Transactional public class RootBsn { @Autowired UserRepository userRepo; public void register...
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MySQL select one column DISTINCT, with corresponding other columns

...STINCT results from the FirstName column, but I need the corresponding ID and LastName . 12 Answers ...
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Jquery live() vs delegate() [duplicate]

... nor delegate is the best way to do event delegation in modern jQuery. The new syntax (as of jQuery 1.7) is with the on function. The syntax is as follows: $('#containerElement').on('click', 'a.myClass', function() { ... }); ...