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Difference between sh and bash
... some time to come).
Bash supports <<<'here strings'.
Bash has *.{png,jpg} and {0..12} brace expansion.
~ refers to $HOME only in Bash (and more generally ~username to the home directory of username).This is in POSIX, but may be missing from some pre-POSIX /bin/sh implementations.
Bash has ...
How to remove/delete a large file from commit history in Git repository?
...99 530KiB path/to/some-image.jpg
2ba44098e28f 12MiB path/to/hires-image.png
bd1741ddce0d 63MiB path/to/some-video-1080p.mp4
???? Fast File Removal ????
Suppose you then want to remove the files a and b from every commit reachable from HEAD, you can use this command:
git filter-branch --inde...
Reverse a string in Python
... ax.set_title(title)
plt.tight_layout()
plt.savefig("output-string.png")
if __name__ == '__main__':
main()
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What is the difference between RDF and OWL? [closed]
...s an image of the Semantic Web layers : w3.org/2001/12/semweb-fin/swlevels.png Just for reference.
– Timo Westkämper
May 16 '10 at 11:57
8
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Received fatal alert: handshake_failure through SSLHandshakeException
...4402", and look what I got: img225.imageshack.us/img225/8999/screenshoturr.png
– Denees
Jun 15 '11 at 7:41
@hoss, it l...
Position icons into circle
... Yo this is a pretty epic spiral effect ???? i.imgur.com/1VrubKC.png
– Ethan
Jan 4 '19 at 6:33
...
How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
26 Answers
26
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Extracting text OpenCV
...pencv, it should easy to port to C++.
import cv2
image = cv2.imread("card.png")
gray = cv2.cvtColor(image,cv2.COLOR_BGR2GRAY) # grayscale
_,thresh = cv2.threshold(gray,150,255,cv2.THRESH_BINARY_INV) # threshold
kernel = cv2.getStructuringElement(cv2.MORPH_CROSS,(3,3))
dilated = cv2.dilate(thresh,ke...
VS 2015 Preview版已经发布，支持Android开发 - IT产品资讯 - 清泛网 - 专注IT技能提升
...5支持Java、ANT、SQL LITE和WebSocket4web，提供原生的 Git支持。一个新微软正在浮现？
Visual studio 2015 CTP6更新日志
此版本几乎解决了已知的 issues，提升了系统稳定性。
其他改进：
Single Sign in
ASP.NET Improvements
Xamarin Integration Improveme...
在线云编程:WebIDE - IT产品资讯 - 清泛网 - 专注IT技能提升
在线云编程:WebIDE云编程 WebIDE只需一个浏览器，你就可以写代码啦，并且可以进行云端编译、运行结果。没错，编码已经进入云时代，由初创公司扣钉网络推出WebIDE，可以实现云端编程。暂略。