大约有 9,000 项符合查询结果(耗时:0.0264秒) [XML]

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What's the difference between a method and a function?

... A function is a piece of code that is called by name. It can be passed data to operate on (i.e. the parameters) and can optionally return data (the return value). All data that is passed to a function is explicitly passed. A method is a piec...
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NPM - How to fix “No readme data”

..., you should write something inside it; at least the project title and a brief description is good for people! But for NPM, one byte may be enough... Doing so should stop showing the warnings. Also, when you read that warning, ensure that the problem is not related to a 3rd party package. ...
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java

... Notice that in some version of IE this code won't work as expected. Because the var, the variable is redefined and assigned so – if I recall correctly the issue – you'll end up to have always a new object. That should fix the issue: var AEROTWIST; AER...
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iOS: Modal ViewController with transparent background

I'm trying to present a view controller modally, with a transparent background. My goal is to let both the presenting and presented view controllers's view to be displayed at the same time. The problem is, when the presenting animation finishes, the presenting view controller's view disappears. ...
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Anyone else find naming classes and methods one of the most difficult parts in programming? [closed]

...ntation from a vendor through a web service. I try to name it DocumentRetriever , VendorDocRequester , DocGetter , but they just don't sound right. I ended up browsing through dictionary.com for half an hour trying to come up with an adequate word. ...
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MySQL “Group By” and “Order By”

...ecting non-aggregate columns used to work in practice but should not be relied upon. Per the MySQL documentation "this is useful primarily when all values in each nonaggregated column not named in the GROUP BY are the same for each group. The server is free to choose any value from each group, so un...
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Get element at specified position - JavaScript

... document.elementFromPoint(x, y); http://dev.w3.org/csswg/cssom-view/#dom-document-elementfrompoint http://msdn.microsoft.com/en-us/library/ms536417%28VS.85%29.aspx https://developer.mozilla.org/en/DOM/document.elementFromPoint ...
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How to pause a YouTube player when hiding the iframe?

... The easiest way to implement this behaviour is by calling the pauseVideo and playVideo methods, when necessary. Inspired by the result of my previous answer, I have written a pluginless function to achieve the desired behaviour. Th...
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Updating the list view when the adapter data changes

...n the data associated with array adapter is changed, invalidating the listview is sufficient to show the updated values? Following piece of code is not working, did i misunderstood something here.? ...
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How to efficiently build a tree from a flat structure?

...Parent { get; set; } public MyObject AssociatedObject { get; set; } } IEnumerable<Node> BuildTreeAndGetRoots(List<MyObject> actualObjects) { Dictionary<int, Node> lookup = new Dictionary<int, Node>(); actualObjects.ForEach(x => lookup.Add(x.ID, new Node { Asso...