大约有 42,000 项符合查询结果(耗时:0.0619秒) [XML]

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Best way to implement keyboard shortcuts in a Windows Forms application?

I'm looking for a best way to implement common Windows keyboard shortcuts (for example Ctrl + F , Ctrl + N ) in my Windows Forms application in C#. ...
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Why use a prime number in hashCode?

...are used in a class's hashCode() method? For example, when using Eclipse to generate my hashCode() method there is always the prime number 31 used: ...
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Linking R and Julia?

... R in terms of overall statistics workflow for some time yet. So I'd like to use it where C++ is mainly used in R programs: to optimize slow portions of code. Before I invest the time in learning Julia, though, I am curious what facilities there are for embedding Julia snippets in R code. ...
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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari

...benchmarks on very similar Java and C# code on different Android platforms to verify such claims, could post the code and results? ...
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Which way is best for creating an object in JavaScript? Is `var` necessary before an object property

...There is no best way, it depends on your use case. Use way 1 if you want to create several similar objects. In your example, Person (you should start the name with a capital letter) is called the constructor function. This is similar to classes in other OO languages. Use way 2 if you only need one...
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?

I am trying to choose the right technology to use for updating a project that basically renders thousands of points in a zoomable, pannable graph. The current implementation, using Protovis, is underperformant. Check it out here: ...
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Is it safe to push_back an element from the same vector?

If the second push_back causes a reallocation, the reference to the first integer in the vector will no longer be valid. So this isn't safe? ...
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iOS / Android cross platform development [closed]

...ng around with developing Android apps in Java for a while and am starting to get a handle on it. However if I want to on start on an iOS version I need to code everything from scratch - which is, well, undesirable. ...
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Count(*) vs Count(1) - SQL Server

...hat is the result of applying the <value expression> to each row of T and eliminating null values. If one or more null values are eliminated, then a completion condition is raised: warning- ...
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How to convert an array into an object using stdClass() [duplicate]

...enume' => 'Mihai', 'sex' => 'm', 'varsta' => 25) ); If you want to see is this stdClass object just call this print_r($clasa); If you want to convert an array to object code will be $arr = array('a'=>'apple','b'=>'ball'); $arr = (object) $arr; You don't need to use stdClass. ...