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When to use which design pattern? [closed]
I like design patterns very much, but I find it difficult to see when I can apply one. I have read a lot of websites where design patterns are explained. I do understand the most of them, but I find it difficult to recognize a pattern in my own situations.
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Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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WebView link click open default browser
Right now I have an app that loads a webview and all the clicks are kept within the app. What I would like to do is when a certain link, for example, http://www.google.com is clicked within the app it opens the default browser. If anyone has some ideas please let me know!
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C++ performance challenge: integer to std::string conversion
Can anyone beat the performance of my integer to std::string code, linked below?
13 Answers
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
I see java.util.function.BiFunction, so I can do this:
7 Answers
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How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
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Good NumericUpDown equivalent in WPF? [closed]
I'm looking for a simple NumericUpDown (a.k.a. number spinner) control in WPF. This seems to be another lacking control in WPF. There must be some existing ones out there and I don't like to re-invent the wheel.
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Regex - Should hyphens be escaped? [duplicate]
...en is a special character in regex, for instance, to select a range, I could do something like:
3 Answers
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micro:bit 微控制器教程 · App Inventor 2 中文网
...载资源
App Inventor 端设置
Designer 页面设置
积木编程
步骤1：蓝牙初始化
步骤2：设备选择
步骤3：读取温度传感器
步骤4：发送控制指令
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