大约有 13,340 项符合查询结果(耗时:0.0413秒) [XML]

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Why Choose Struct Over Class?

...ue3, value4, value5, value6, value7, value8, value9, value10: Int init(_ val: Int) { self.value1 = val self.value2 = val self.value3 = val self.value4 = val self.value5 = val self.value6 = val self.value7 = val self.value8 = val ...
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Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?

...f it not closed. public void close() throws IOException { if (_closed) return; if (!isIncluding() && !_generator.isCommitted()) commitResponse(HttpGenerator.LAST); else flushResponse(); super.close(); } Also as ...
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

...class BusinessObjectFactory { private Func<string, BusinessObject> _ctorCaller; public BusinessObjectFactory (Func<string, BusinessObject> ctorCaller) { _ctorCaller = ctorCaller; } public BusinessObject CreateBusinessObject(string myProperty) { if (...) return...
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Automatically capture output of last command into a variable using Bash?

...y getting at results. That being said, here is the "solution": PROMPT_COMMAND='LAST="`cat /tmp/x`"; exec >/dev/tty; exec > >(tee /tmp/x)' Set this bash environmental variable and issues commands as desired. $LAST will usually have the output you are looking for: startide seth> ...
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How to map and remove nil values in Ruby

... Ruby 2.7+ There is now! Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon. For example: numbers = [1, 2, 5, 8, 10, 13] enum.filter_map { |i| i * 2 if i.even? } # => [4, 16, 20] In your ...
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Download multiple files with a single action

... * Download a list of files. * @author speedplane */ function download_files(files) { function download_next(i) { if (i >= files.length) { return; } var a = document.createElement('a'); a.href = files[i].download; a.target = '_parent'; // Use a.downloa...
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Java: PrintStream to String?

...= new ByteArrayOutputStream(); final String utf8 = StandardCharsets.UTF_8.name(); try (PrintStream ps = new PrintStream(baos, true, utf8)) { yourFunction(object, ps); } String data = baos.toString(utf8); ...
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer

.... Click on the «Browser» tab, expand the design (probably called Untitled_1), right-click «Relational Models» and select «New Relational Model». Right click on the newly created relational model (probably Relational_1) and select «Show». Then just drag the tables you want (from e.g. the «Co...
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Hidden Features of C#? [closed]

...to automagically instantiate collections for me. private IList<Foo> _foo; public IList<Foo> ListOfFoo { get { return _foo ?? (_foo = new List<Foo>()); } } share ...
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iPhone: Detecting user inactivity/idle time since last screen touch

...f the screen receives a touch, the timer is reset. override func sendEvent(_ event: UIEvent) { super.sendEvent(event) if idleTimer != nil { self.resetIdleTimer() } if let touches = event.allTouches { for touch in touches { if touch.phase == UITouchPhase....