大约有 40,000 项符合查询结果(耗时:0.0548秒) [XML]

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URLs: Dash vs. Underscore [closed]

... also worth noting that underscored_text is selectable as a whole by double clicking in some devices and long-pressing on mobiles, whereas with dash-separated-text the same actions select each separated word. Think about if a user would ever try to copy out something f...
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MIN/MAX vs ORDER BY and LIMIT

...oks like MIN() is able to simply pluck the smallest value from the index ('Select tables optimized away' and 'NULL' rows) whereas the SORT and LIMIT still needs needs to do an ordered traversal of the index (106,000 rows). The actual performance impact is probably negligible. It looks like MIN() i...
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How to search for occurrences of more than one space between words in a line

... This regex selects all spaces, you can use this and replace it with a single space \s+ example in python result = re.sub('\s+',' ', data)) share |...
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整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...

...cookietime = 31536000; $uid = intval($get['uid']); $query = DB::query("SELECT uid, username, password FROM ".DB::table('common_member')." WHERE uid='$uid'"); if ($member = DB::fetch($query)) { dsetcookie('auth', authcode("$member[password]\t$member[uid]", 'ENCODE'), $cookietime); }else ...
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Swift Bridging Header import issue

...roblem: 1. Delete all your bridging files that you created until now. 2. Select the main folder of project and hit new file->iOS->Header file. 3. Write your imports in the header file created. 4. Select the project inside Xcode->Build Settings, type in search field: bridging and put in ...
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How to set value of input text using jQuery

... Your selector is retrieving the text box's surrounding <div class='textBoxEmployeeNumber'> instead of the input inside it. // Access the input inside the div with this selector: $(function () { $('.textBoxEmployeeNumber i...
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Why do people hate SQL cursors so much? [closed]

...arts of the RDBMS work under the hood. Often CREATE TABLE and INSERT have SELECT statements, and the implementation is the obvious internal cursor implementation. Using higher-level "set-based operators" bundles the cursor results into a single result set, meaning less API back-and-forth. Cursor...
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Xcode 4 - slow performance

...sure Xcode isn't open. Now find your project file. Right-click on it, and select Show Package Contents. Next, delete project.xcworkspace. Open Xcode and enjoy faster performance! Thanks to: http://meachware.blogspot.com/2011/06/speed-up-xcode-4.html Edit: I've gotten several comments a...
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Cannot create an NSPersistentStoreCoordinator with a nil model

...fore they aren't considered the same. The quickest way to fix this, is to select the xcdatamodel file in your project navigator and in to the menu bar Editor->Add Model Version... and add a new version of your model. Make all changes to the new version. This works in Xcode 5 ...
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Regular expression to match a word or its prefix

... Because the person who posted the question selected the first answer that came in, and didn't bother to switch to mine when my vastly superior answer came in later. You can ask the questioner via comment under the question to change their answer selection to this one...