大约有 2,340 项符合查询结果(耗时:0.0225秒) [XML]

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Reference: What is variable scope, which variables are accessible from where and what are “undefined

...he variable "$name" in more than one place. If you could only have this unique variable name once in your app, you'd have to resort to really complicated naming schemes to make sure your variables are unique and that you're not changing the wrong variable from the wrong piece of code. Observe: fun...
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How do I prompt for Yes/No/Cancel input in a Linux shell script?

... prompt the user for choices. The standard Yes , No , or Cancel type question. How do I accomplish this in a typical bash prompt? ...
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Server polling with AngularJS

... You should be calling the tick function in the callback for query. function dataCtrl($scope, $timeout, Data) { $scope.data = []; (function tick() { $scope.data = Data.query(function(){ $timeout(tick, 1000); }); })(); }; ...
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Pointers in Python?

...s from the barenames a and b that you're asking about, and for with your request is utterly impossible. Why ask for something impossible and totally different from the (possible) thing you actually want?! Maybe you don't realize how drastically different barenames and decorated names are. When yo...
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Does “git fetch --tags” include “git fetch”?

A nice and simple question - is the function of "git fetch" a strict sub-set of git fetch --tags ? 6 Answers ...
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Better way of incrementing build number?

...d number within the plist file, however it's making Xcode 4.2.1 crash frequently (with an error about the target not belonging to a project; I'm guessing the changing of the plist file is confusing Xcode in some way). ...
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Differences between Oracle JDK and OpenJDK

... with JDK 11 accessing the long time support Oracle JDK/Java SE will now require a commercial license. You should now pay attention to which JDK you're installing as Oracle JDK without subscription could stop working. source Ref: List of Java virtual machines ...
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Insert, on duplicate update in PostgreSQL?

... an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax: 16 Answers ...
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]

...this awesome article by Julie Lerman (her comment) written well after this Q/A, but very appropriate: msdn.microsoft.com/en-us/magazine/jj883952.aspx – Dave T. Jul 3 '13 at 15:34 ...
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GUI not working after rewriting to MVC

... a PropertyChangeListener, as shown here and here. Addendum: Some common questions about Swing controllers are addressed here and here. import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.EventQueue; import java.awt.Graphics; import java.awt.Graphics2...