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Capture Image from Camera and Display in Activity
...= File.createTempFile(
imageFileName, // prefix
".jpg", // suffix
storageDir // directory
);
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = "file:" + image.getAbsolutePath();
return image;
}
Then receive ...
How can I display an image from a file in Jupyter Notebook?
.../ so that it is an absolute path from the web root, i.e. 
– ccpizza
Jun 28 '18 at 17:43
...
使用std::string作为std::map的key出错解决 - C/C++ - 清泛网 - 专注C/C++及内核技术
...string”不定义该运算符或到预定义运算符可接收的类型的转换
反正是乱七八糟的错误，原因很简单，少了 #include <string>
（注意，不是string.h，如果包含了string.h，请改为string）std::string std::map key
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
可根据自身产品的特点选择合适的心跳范围。
4.3.3 状态转换图
4.3.4自适应心跳算法描述
1、按网络类型区分计算：
因为每个网络的NAT时间可能不一致。所以需要区分计算，数据网络按subType做关键字，WIFI按WIFI名做关键字。
...
Capture HTML Canvas as gif/jpg/png/pdf?
Is it possible to capture or print what's displayed in an html canvas as an image or pdf?
12 Answers
...
How to convert a PIL Image into a numpy array?
...
Open I as an array:
>>> I = numpy.asarray(PIL.Image.open('test.jpg'))
Do some stuff to I, then, convert it back to an image:
>>> im = PIL.Image.fromarray(numpy.uint8(I))
Filter numpy images with FFT, Python
If you want to do it explicitly for some reason, there are pil2arr...
How to embed a video into GitHub README.md?
...in the form of:
https://img.youtube.com/vi/<VIDEO ID>/maxresdefault.jpg
https://img.youtube.com/vi/<VIDEO ID>/hqdefault.jpg
Example:
[](https://youtu.be/T-D1KVIuvjA)
Result:
Use asciinema
If your use ca...
How can I quantify difference between two images?
... compare image to itself, there is no difference:
$ python compare.py one.jpg one.jpg
Manhattan norm: 0.0 / per pixel: 0.0
Zero norm: 0 / per pixel: 0.0
If we blur the image and compare to the original, there is some difference:
$ python compare.py one.jpg one-blurred.jpg
Manhattan norm: 926051...
CSS Image size, how to fill, not stretch?
...
height: 100px;
background-image: url("http://i.stack.imgur.com/2OrtT.jpg");
background-size: cover;
background-repeat: no-repeat;
background-position: 50% 50%;
}
<div class="container"></div>
While cover will give you a scaled up image, contain will give you a ...
How to save a PNG image server-side, from a base64 data string
...ubstr($data, strpos($data, ',') + 1);
$type = strtolower($type[1]); // jpg, png, gif
if (!in_array($type, [ 'jpg', 'jpeg', 'gif', 'png' ])) {
throw new \Exception('invalid image type');
}
$data = str_replace( ' ', '+', $data );
$data = base64_decode($data);
if ($dat...