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Plot two histograms on single chart with matplotlib

... Wouldn't it be a good idea to set pyplot.hold(True) before plotting, just in case? – JAB Jul 29 '11 at 13:39 ...
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Simple basic explanation of a Distributed Hash Table (DHT)

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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How do I resolve the “java.net.BindException: Address already in use: JVM_Bind” error?

...s you have another process bound to the same port. TCPView (Windows only) from Windows Sysinternals is my favorite app whenever I have a JVM_BIND error. It shows which processes are listening on which port. It also provides a convenient context menu to either kill the process or close the connec...
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OceanBase使用libeasy原理源码分析:服务器端 - 数据库(内核) - 清泛网 - ...

...西,主要步骤如下: //设置一堆给libeasy的回调函数 memset(&handler_, 0, sizeof(easy_io_handler_pt)); //以下都是对于OceanBase 0.4 mergeserver的obmysql端口来说的 // 将mergeserver需要回复给mysql客户端的结果以easy_buf_t(libeasy用来管理输入输出...
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CSS checkbox input styling

Any style for input affects every input element. Is there a way to specify styling to apply for only checkboxes without applying a class to each check box element? ...
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How to set layout_gravity programmatically?

...MATCH_PARENT); params.weight = 1.0f; params.gravity = Gravity.TOP; button.setLayoutParams(params); Kotlin val params = LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT ).apply { weight = 1.0f gravity = Gravity.TOP } For g...
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Split long commands in multiple lines through Windows batch file

...t6 one two And it is also possible to embed line feeds into the string: setlocal EnableDelayedExpansion set text=This creates ^ a line feed echo Test7: %text% echo Test8: !text! --- Output --- Test7: This creates Test8: This creates a line feed The empty line is important for the success. This...
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Accurate way to measure execution times of php scripts

...urn current Unix timestamp with microseconds If get_as_float is set to TRUE, then microtime() returns a float, which represents the current time in seconds since the Unix epoch accurate to the nearest microsecond. Example usage: $start = microtime(true); while (...) { } $time_elapsed_...
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Why is there no xrange function in Python3?

...Blckknght: Cheers, but it still sucks having an explanation the likes of: "Set literals and comprehensions [19] [20] [done] {x} means set([x]); {x, y} means set([x, y]). {F(x) for x in S if P(x)} means set(F(x) for x in S if P(x)). NB. {range(x)} means set([range(x)]), NOT set(range(x)). There's no ...
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Is there a performance gain in using single quotes vs double quotes in ruby?

Do you know if using double quotes instead of single quotes in ruby decreases performance in any meaningful way in ruby 1.8 and 1.9. ...