大约有 30,000 项符合查询结果(耗时:0.0300秒) [XML]

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Mysql - How to quit/exit from stored procedure

...re was no error, then use the accepted answer posted by @piotrm. Most typically, however, you will be bailing due to an error condition (especially in a SQL procedure). As of MySQL v5.5 you can throw an exception. Negating exception handlers, etc. that will achieve the same result, but in a clea...
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Bootstrap with jQuery Validation Plugin

...rks well, except for one thing: Testing against jQuery Validate 1.11.1 and calling resetForm() on a form's validator will not call unhighlight on invalid elements, making it necessary to remove the has-error class by hand when resetting a form. What I do is to call the following function instead of ...
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“is” operator behaves unexpectedly with integers

..., with is and a sentinel, we are able to differentiate between when bar is called with no arguments and when it is called with None. These are the primary use-cases for is - do not use it to test for equality of integers, strings, tuples, or other things like these. ...
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How to properly reuse connection to Mongodb across NodeJs application and modules

...alhost:27017"; var _db; module.exports = { connectToServer: function( callback ) { MongoClient.connect( url, { useNewUrlParser: true }, function( err, client ) { _db = client.db('test_db'); return callback( err ); } ); }, getDb: function() { return _db; } }; T...
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Difference between RegisterStartupScript and RegisterClientScriptBlock?

... in the page (right before the form's end tag). This enables the script to call or reference page elements without the possibility of it not finding them in the Page's DOM. Here is the rendered source of the page when you invoke the RegisterStartupScript method: <html xmlns="http://www.w3.org/1...
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How can I trigger a JavaScript event click

...-link" onclick="javascript:Test('Test');">Google Chrome</a> and call the .click() method in your JavaScript code via a for loop: var link = document.getElementById('my-link'); for(var i = 0; i < 50; i++) link.click(); ...
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javascript: Clear all timeouts?

...that is greater than zero that will identify the timeout to be set by this call." which leaves room for the handle to be any positive integer including non-consecutive and non-small integers. – Mike Samuel Jan 14 '12 at 4:59 ...
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What is meaning of boolean value returned from an event-handling method in Android

... @adamp I cannot think of the reason why onTouch is called 2 times when returning true and 1 time only when I return false. – Bhargav Jhaveri Aug 25 '14 at 23:36 ...
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What's the difference between using “let” and “var”?

... loop no longer requires an immediatelly invoked function expression for locally scoping i at each iteration. – Adrian Moisa Feb 21 '16 at 8:12 19 ...
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Performance of foreach, array_map with lambda and array_map with static function

...es', $numbers); } foreach (array('Foreach', 'MapClosure', 'MapNamed') as $callback) { list($delay,) = lap("use$callback"); echo "$callback: $delay\n"; } I get pretty consistent results with 1M numbers across a dozen attempts: Foreach: 0.7 sec Map on closure: 3.4 sec Map on function name:...