大约有 40,000 项符合查询结果(耗时:0.0619秒) [XML]

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Is it better to use std::memcpy() or std::copy() in terms to performance?

...tation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the memcpy version and the std::copy ...
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Add a property to a JavaScript object using a variable as the name?

...4 kube 8,60977 gold badges2727 silver badges3737 bronze badges answered Mar 29 '09 at 18:02 Christian C. Salva...
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How to profile a bash shell script slow startup?

... answered Feb 16 '11 at 10:20 Paused until further notice.Paused until further notice. 286k8181 gold badges340340 silver badges410410 bronze badges ...
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TypeScript sorting an array

... SLaksSLaks 770k161161 gold badges17711771 silver badges18631863 bronze badges ...
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How to think in data stores instead of databases?

... KevinG 52622 gold badges1010 silver badges2828 bronze badges answered Sep 19 '08 at 19:24 Nick JohnsonNick Joh...
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How to change Navigation Bar color in iOS 7?

...lf.navigationController.navigationBar.translucent = NO; }else { // iOS 6.1 or earlier self.navigationController.navigationBar.tintColor = [UIColor redColor]; } We can also use this to check iOS Version as mention in iOS 7 UI Transition Guide if (floor(NSFoundationVersionNumber) <= NSFou...
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How to dump a dict to a json file?

... answered Sep 26 '14 at 10:22 moobimoobi 4,88922 gold badges1414 silver badges2828 bronze badges ...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

... A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly. mysql_* extension: NOTE The mysql_ functions are deprecate...
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How does Trello access the user's clipboard?

...urn if document.selection?.createRange().text return _.defer => $clipboardContainer = $("#clipboard-container") $clipboardContainer.empty().show() $("<textarea id='clipboard'></textarea>") .val(@value) .appendTo($clipboardC...
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Multiple returns from a function

... 163 There is no way of returning 2 variables. Although, you can propagate an array and return it; ...