大约有 40,000 项符合查询结果(耗时:0.0530秒) [XML]

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How can I pass a parameter to a setTimeout() callback?

...tipage/…). However, using a string instead of a function object is generally considered poor style because it is essentially a form of delayed eval(). – Miles Jul 27 '09 at 21:41 ...
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How do I use prepared statements in SQlite in Android?

... I use prepared statements in Android all the time, it's quite simple : SQLiteDatabase db = dbHelper.getWritableDatabase(); SQLiteStatement stmt = db.compileStatement("INSERT INTO Country (code) VALUES (?)"); stmt.bindString(1, "US"); stmt.executeInsert(); ...
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What is this Javascript “require”?

...es are a way to split an application into separate files instead of having all of your application in one file. This concept is also present in other languages with minor differences in syntax and behavior, like C's include, Python's import, and so on. One big difference between Node.js modules and...
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Positioning MKMapView to show multiple annotations at once

...tations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this. ...
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How to convert IPython notebooks to PDF and HTML?

... If you have LaTeX installed you can download as PDF directly from Jupyter notebook with File -> Download as -> PDF via LaTeX (.pdf). Otherwise follow these two steps. For HTML output, you should now use Jupyter in place of IPython and sele...
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How to disable HTML button using JavaScript?

I’ve read that you can disable (make physically unclickable) an HTML button simply by appending disable to its tag, but not as an attribute, as follows: ...
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Android NDK C++ JNI (no implementation found for native…)

...g the function prototype name wrong, another is failing to load the .so at all. Are you sure that System.loadLibrary() is being called before the method is used? If you don't have a JNI_OnLoad function defined, you may want to create one and have it spit out a log message just to verify that the l...
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MySQL vs MongoDB 1000 reads

...very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'. ...
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How to set selected value of jquery select2?

... To dynamically set the "selected" value of a Select2 component: $('#inputID').select2('data', {id: 100, a_key: 'Lorem Ipsum'}); Where the second parameter is an object with expected values. UPDATE: This does work, just wanted to n...
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How do I convert a pandas Series or index to a Numpy array? [duplicate]

...ch time. [...] These two functions aim to improve the consistency of the API, which is a major step in the right direction. Lastly, .values will not be deprecated in the current version, but I expect this may happen at some point in the future, so I would urge users to migrate towards the newer A...