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How do I install the OpenSSL libraries on Ubuntu?
I'm trying to build some code on Ubuntu 10.04 LTS that uses OpenSSL 1.0.0. When I run make, it invokes g++ with the "-lssl" option. The source includes:
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Numpy how to iterate over columns of array?
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– Ibrahim Muhammad
Sep 23 '13 at 17:08
49
For those wondering, array.T isn't costly, as it just c...
Arduino101 引脚 · App Inventor 2 中文网
... 搜索 Arduino101 引脚
Arduino101Pins 引脚
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Arduino101Pins 引脚
Arduino101Pins 扩展为连接到 A...
How can I convert an RGB image into grayscale in Python?
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320
How about doing it with Pillow:
from PIL import Image
img = Image.open('image.png').convert('LA...
Clear icon inside input text
...ch" to your input
The support is pretty decent but will not work in IE<10
<input type="search">
Clearable input for old browsers
If you need IE9 support here are some workarounds
Using a standard <input type="text"> and some HTML elements:
/**
* Clearable text ...
What is the Ruby (spaceship) operator?
...ther language that supports it. Basically instead of returning 1 (true) or 0 (false) depending on whether the arguments are equal or unequal, the spaceship operator will return 1, 0, or −1 depending on the value of the left argument relative to the right argument.
a <=> b :=
if a < b t...
乐高 EV3 实验06 - 屏幕表情与音效，让机器人有点性格 · App Inventor 2 中文网
...索 乐高 EV3 实验06 - 屏幕表情与音效，让机器人有点性格
实验06：屏幕表情与音效
这个实验做完你会得到什么
一、器材清单
二、界面组...
JavaScript + Unicode regexes
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205
Situation for ES 6
The upcoming ECMAScript language specification, edition 6, includes Unicode-...
Declaring variables inside or outside of a loop
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多点触控使用指导 · App Inventor 2 中文网
...点触控
不可见组件：同时追踪最多 10 个触摸点——每个手指按下、移动、松开都触发事件，并带上「触摸点序号」和坐标；
同时识别常用手势：滑动（上下左右）、双击、长按、双指缩放、双指旋转。
可用...