大约有 40,000 项符合查询结果(耗时:0.0696秒) [XML]

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Calling Python in Java?

...yObject someFunc = interpreter.get("funcName"); PyObject result = someFunc.__call__(new PyString("Test!")); String realResult = (String) result.__tojava__(String.class); share | improve this answer...
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How to Select Every Row Where Column Value is NOT Distinct

I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress). 7 A...
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Detect current device with UI_USER_INTERFACE_IDIOM() in Swift

What is the equivalent of UI_USER_INTERFACE_IDIOM() in Swift to detect between iPhone and iPad? 17 Answers ...
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In an array of objects, fastest way to find the index of an object whose attributes match a search

... This answer is great because it actually answers the question by providing the index :) – counterbeing Dec 4 '13 at 16:31 3 ...
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What's the difference between HEAD^ and HEAD~ in Git?

...f thumb Use ~ most of the time — to go back a number of generations, usually what you want Use ^ on merge commits — because they have two or more (immediate) parents Mnemonics: Tilde ~ is almost linear in appearance and wants to go backward in a straight line Caret ^ suggests an interesting s...
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How can I change UIButton title color?

... With Swift 5, UIButton has a setTitleColor(_:for:) method. setTitleColor(_:for:) has the following declaration: Sets the color of the title to use for the specified state. func setTitleColor(_ color: UIColor?, for state: UIControlState) The following Playgro...
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Why use 'virtual' for class properties in Entity Framework model definitions?

... It allows the Entity Framework to create a proxy around the virtual property so that the property can support lazy loading and more efficient change tracking. See What effect(s) can the virtual keyword have in Entity Framework 4...
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C# pattern to prevent an event handler hooked twice [duplicate]

...ution and the best one (considering performance) is: private EventHandler _foo; public event EventHandler Foo { add { _foo -= value; _foo += value; } remove { _foo -= value; } } No Linq using required. No need to check for null before cancelling a subscrip...
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”

... Copying the content from the above link for quick reference: #define PEM_STRING_X509_OLD "X509 CERTIFICATE" #define PEM_STRING_X509 "CERTIFICATE" #define PEM_STRING_X509_PAIR "CERTIFICATE PAIR" #define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE" #define PEM_STRING_X509_REQ_OLD "NEW CERTI...
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Efficient way to determine number of digits in an integer

...For added efficiency, if you know that your input numbers will be mostly small ones (I'm guessing less than 100,000), then reverse the tests: if (x < 10) return 1; if (x < 100) return 2; etc., so that the function will do less tests and exit faster. – squelart ...