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Append a NumPy array to a NumPy array
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In [1]: import numpy as np
In [2]: a = np.array([[1, 2, 3], [4, 5, 6]])
In [3]: b = np.array([[9, 8, 7], [6, 5, 4]])
In [4]: np.concatenate((a, b))
Out[4]:
array([[1, 2, 3],
[4, 5, 6],
[9, 8, 7],
[6, 5, 4...
Creating a new column based on if-elif-else condition
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140
To formalize some of the approaches laid out above:
Create a function that operates on the ro...
CSS 3 slide-in from left transition
...n hover)
Demo One
Relevant Code
.wrapper:hover #slide {
transition: 1s;
left: 0;
}
In this case, Im just transitioning the position from left: -100px; to 0; with a 1s. duration. It's also possible to move the element using transform: translate();
CSS animation
Demo Two
#slide {
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How to read the content of a file to a string in C?
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11 Answers
11
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How to add extra namespaces to Razor pages instead of @using declaration?
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163
Update: please take a look at my updated answer that applies to MVC 3 RC: Razor HtmlHelper Ext...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...能，是linux unix下的一个强大编程工具。
目录：
1. awk简介
2. awk命令格式和选项
2.1. awk的语法有两种形式
2.2. 命令选项
3. 模式和操作
3.1. 模式
3.2. 操作
4. aw...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
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102
You would mostly be using COUNT to summarize over a UID. Therefore
COUNT([uid]) will produce...
Determine .NET Framework version for dll
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14 Answers
14
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Center image horizontally within a div
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21 Answers
21
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Iterate a list with indexes in Python
...ar I've seen the function (or method) that takes a list, like this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
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