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surface plots in matplotlib

...l you have is a list of 3d points, rather than some function f(x, y) -> z, then you will have a problem because there are multiple ways to triangulate that 3d point cloud into a surface. Here's a smooth surface example: import numpy as np from mpl_toolkits.mplot3d import Axes3D # Axes3D imp...
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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术

... _____ hello2.c #include<stdio.h> main(){ int x=0,y[14],*z=&y;*(z++)=0x48;*(z++)=y[x++]+0x1D; *(z++)=y[x++]+0x07;*(z++)=y[x++]+0x00;*(z++)=y[x++]+0x03; *(z++)=y[x++]-0x43;*(z++)=y[x++]-0x0C;*(z++)=y[x++]+0x57; *(z++)=y[x++]-0x08;*(z++)=y[x++]+0x03;*(z++)=y[x++]...
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CSS I want a div to be on top of everything

... In order for z-index to work, you'll need to give the element a position:absolute or a position:relative property. Once you do that, your links will function properly, though you may have to tweak your CSS a bit afterwards. ...
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Matplotlib scatter plot with different text at each data point

...g over the values in n. y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199] z = [0.15, 0.3, 0.45, 0.6, 0.75] n = [58, 651, 393, 203, 123] fig, ax = plt.subplots() ax.scatter(z, y) for i, txt in enumerate(n): ax.annotate(txt, (z[i], y[i])) There are a lot of formatting options for annotate(), ...
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data.table vs dplyr: can one do something well the other can't or does poorly?

... operations involving a subset of rows - i.e., DT[x &gt; val, sum(y), by = z] type operations. Benchmark other operations such as update and joins. Also benchmark memory footprint for each operation in addition to runtime. 2. Memory usage Operations involving filter() or slice() in dplyr can be ...
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Jquery date picker z-index issue

... Put the following style at the 'input' text element: position: relative; z-index: 100000;. The datepicker div takes the z-index from the input, but this works only if the position is relative. Using this way you don't have to modify any javascript from jQuery UI. ...
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What encoding/code page is cmd.exe using?

...t? Here’s a test file containing Unicode characters: ASCII abcde xyz German äöü ÄÖÜ ß Polish ąęźżńł Russian абвгдеж эюя CJK 你好 Here’s a Java program to print out the test file in a bunch of different Unicode encodings. It could be in any programmi...
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Bring element to front using CSS

...e out how to bring images to front using CSS . I've already tried setting z-index to 1000 and position to relative, but it still fails. ...
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How to use the C socket API in C++ on z/OS

I'm having issues getting the C sockets API to work properly in C++ on z/OS . 9 Answers ...
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How to find gaps in sequential numbering in mysql?

...t as fast as possible) answer Here's version that works on table of any size (not just on 100 rows): SELECT (t1.id + 1) as gap_starts_at, (SELECT MIN(t3.id) -1 FROM arrc_vouchers t3 WHERE t3.id &gt; t1.id) as gap_ends_at FROM arrc_vouchers t1 WHERE NOT EXISTS (SELECT t2.id FROM arrc_vouche...