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Generate a heatmap in MatPlotLib using a scatter data set

...igure(1, figsize=(10,10)) ax1 = fig.add_subplot(221) ax2 = fig.add_subplot(222) ax3 = fig.add_subplot(223) ax4 = fig.add_subplot(224) # Generate some test data x = np.random.randn(1000) y = np.random.randn(1000) #Plotting a regular scatter plot ax1.plot(x,y,'k.', markersize=5) ax1.set_xlim(-3,3) ...
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How does RegexOptions.Compiled work?

...port re x="""101 COM Computers 205 MAT Mathematics 189 ENG English 222 SCI Science 333 TA Tamil 5555 KA Kannada 6666 TL Telugu 777777 FR French """ #compile reg expression / successfully compiled regex can be used in any regex #functions find_subject_code=re.compile("\d+",re.M) #us...
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?

... 222 Command find_package has two modes: Module mode and Config mode. You are trying to use Module ...
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汇编语言超浓缩教程(汇编入门必备) - C/C++ - 清泛网 - 专注C/C++及内核技术

...当然有啦!要不然你写这篇文章干嘛。)别急,别急,让把这个中原委慢慢道来:一、所有电脑语言写出的程序运行时在内存中都以机器码方式存储,机器码可以被比较准确的翻译成汇编语言,这是因为汇编语言兼容性最好,...
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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...024 个字节,即 1K bytes 1.2 改变中断向量表地址 事实上,们完全可以在实模式下更改 IVT 的地址,下面的代码作为示例: ; **************************************************************** ; * boot.asm for interrupt demo(real mode) on x86 ...
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Why is String.chars() a stream of ints in Java 8?

... 222 As others have already mentioned, the design decision behind this was to prevent the explosion...
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Explain ExtJS 4 event handling

... 222 +50 Let's s...
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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...开open –> 读写write/read –> 关闭close”模式来操作。的理解就是Socket就是该模式的一个实现,socket即是一种特殊的文件,一些socket函数就是对其进行的操作(读/写IO、打开、关闭) 既然Unix/Linux是将socket以一种io的形式来编...
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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...产品的一个最大特点是数据的非实时写入,正因为如此,们可以认为,在一定的时间段内,整个系统的数据是只读的。这为们设计缓存奠定了非常重要的基础。 图1 淘宝海量数据产品技术架构 按照数据的流向来划分,...
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How does a public key verify a signature?

... 222 Your understanding of "public keys encrypt, private keys decrypt" is correct... for data/mess...