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How does std::forward work? [duplicate]

... does according to the standard: §20.2.3 [forward] p2 Returns: static_cast<T&&>(t) (Where T is the explicitly specified template parameter and t is the passed argument.) Now remember the reference collapsing rules: TR R T& & -> T& // lvalue reference to ...
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What exactly is RESTful programming?

...rt=314159&item=1729 would not be appropriate. GET requests should be idempotent. That is, issuing a request twice should be no different from issuing it once. That's what makes the requests cacheable. An "add to cart" request is not idempotent—issuing it twice adds two copies of the item to ...
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How do I format a string using a dictionary in python-3.x?

... Python 3.2 introduced format_map. Similar to str.format(**mapping), except that mapping is used directly and not copied to a dict. This is useful if for example mapping is a dict subclass – diapir Jan 17 '15 at 14:...
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How do I get indices of N maximum values in a NumPy array?

...t;> a = [1, 3, 2, 4, 5] >>> heapq.nlargest(3, range(len(a)), a.__getitem__) [4, 3, 1] If you use Python 2, use xrange instead of range. Source: heapq — Heap queue algorithm share | ...
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Sending multipart/formdata with jQuery.ajax

...how is it possible to send this Data to the server? The resulting array ( $_POST ) on the serverside php-script is 0 ( NULL ) when using the file-input. ...
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C# binary literals

...t separators via underscore characters). An example: int myValue = 0b0010_0110_0000_0011; You can also find more information on the Roslyn GitHub page. share | improve this answer | ...
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Data binding to SelectedItem in a WPF Treeview

...SelectedItemChanged += new RoutedPropertyChangedEventHandler<object>(___ICH); } void ___ICH(object sender, RoutedPropertyChangedEventArgs<object> e) { if (SelectedItem != null) { SetValue(SelectedItem_Property, SelectedItem); } } ...
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Generate a heatmap in MatPlotLib using a scatter data set

... x = y = NP.linspace(-5, 5, 100) X, Y = NP.meshgrid(x, y) Z1 = ML.bivariate_normal(X, Y, 2, 2, 0, 0) Z2 = ML.bivariate_normal(X, Y, 4, 1, 1, 1) ZD = Z2 - Z1 x = X.ravel() y = Y.ravel() z = ZD.ravel() gridsize=30 PLT.subplot(111) # if 'bins=None', then color of each hexagon corresponds directly to i...
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BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...

...BLUETOOTH SPECIFICATION Version 4.0 [Vol 6] Part B 2.4) LLID(逻辑链路ID):0x01表示该数据包是一个帧的延续内容,或者这是一个空的“逻辑链路控制及适配协议”数据包;0x02表示一个“逻辑链路控制及适配协议”数据包的开始...
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How to rename a file using Python

...3.7 ubuntu, works for me using relative paths – toing_toing Feb 28 '19 at 15:51 2 @toing_toing of...