大约有 15,208 项符合查询结果(耗时:0.0398秒) [XML]

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Number of elements in a javascript object

... if you are already using jQuery in your build just do this: $(yourObject).length It works nicely for me on objects, and I already had jQuery as a dependancy. s...
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jQuery AJAX cross domain

...fox12+ browsers, use jQuery v1.7.2 lib to minimize boilerplate code. After reading dozens of articles finally figured it out. Here is my summary. server script (.php, .jsp, ...) must return http response header Access-Control-Allow-Origin: * before using jQuery ajax set this flag in javascript: j...
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Is it a bad practice to use break in a for loop? [closed]

...sing break or continue in a for loop are negated if you write tidy, easily-readable loops. If the body of your loop spans several screen lengths and has multiple nested sub-blocks, yes, you could easily forget that some code won't be executed after the break. If, however, the loop is short and to th...
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?

...mportant difference is that the Hashtable type supports lock-free multiple readers and a single writer at the same time, while Dictionary does not. share | improve this answer | ...
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The calling thread cannot access this object because a different thread owns it

...with people getting started. Whenever you update your UI elements from a thread other than the main thread, you need to use: this.Dispatcher.Invoke(() => { ...// your code here. }); You can also use control.Dispatcher.CheckAccess() to check whether the current thread owns the control. If i...
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Java : How to determine the correct charset encoding of a stream

With reference to the following thread: Java App : Unable to read iso-8859-1 encoded file correctly 15 Answers ...
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Change the selected value of a drop-down list with jQuery

...nswer. I thought I was going insane with this solution not working until I read down through the comments. – David Baucum Jan 7 '15 at 20:33  |  ...
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Is there a standardized method to swap two variables in Python?

...for this subject. It's quite interesting and I would like to have a futher read. Thanks. – Catbuilts Sep 16 '19 at 11:35 2 ...
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How can I convert the “arguments” object to an array in JavaScript?

...ument.body.innerHTML = sortArgs(12, 4, 6, 8).toString(); As you can read in the link The rest parameter syntax allows us to represent an indefinite number of arguments as an array. If you are curious about the ... syntax, it is called Spread Operator and you can read more here. ES6 usi...
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How to get UTF-8 working in Java webapps?

...est) parameters: <Connector port="8080" maxHttpHeaderSize="8192" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" compression="on" compressionMinSize="128" noCompr...