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Simple Digit Recognition OCR in OpenCV-Python

...r in box. Once corresponding digit key is pressed, it resizes this box to 10x10 and saves 100 pixel values in an array (here, samples) and corresponding manually entered digit in another array(here, responses). Then save both the arrays in separate txt files. At the end of manual classification of...
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Returning value from called function in a shell script

... echo >&2 "successfully acquired lock: $lockdir" retval=0 else echo >&2 "cannot acquire lock, giving up on $lockdir" retval=1 fi return "$retval" } testlock retval=$? if [ "$retval" == 0 ] then echo "directory not created" else echo ...
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Hide separator line on one UITableViewCell

...-1){ UIImageView *line = [[UIImageView alloc] initWithFrame:CGRectMake(0, 44, 320, 2)]; line.backgroundColor = [UIColor redColor]; [cell addSubview:line]; } for iOS 7 upper versions (including iOS 8) if (indexPath.row == self.newCarArray.count-1) { cell.separatorInset = UIEdgeInse...
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Virtualbox “port forward” from Guest to Host [closed]

... and find out the ip address: ifconfig example of result (ip address is 10.0.2.15): eth0 Link encap:Ethernet HWaddr 08:00:27:AE:36:99 inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0 Go to Vbox instance window -> Menu -> Network adapters: adapter should be NAT clic...
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How do I declare and initialize an array in Java?

...s/api/java/util/stream/IntStream.html int [] myIntArray = IntStream.range(0, 100).toArray(); // From 0 to 99 int [] myIntArray = IntStream.rangeClosed(0, 100).toArray(); // From 0 to 100 int [] myIntArray = IntStream.of(12,25,36,85,28,96,47).toArray(); // The order is preserved. int [] myIntArray =...
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?

... 80 Here's a small kmeans that uses any of the 20-odd distances in scipy.spatial.distance, or a user...
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NSIS学习笔记(持续更新) - C/C++ - 清泛网 - 专注C/C++及内核技术

...习笔记(持续更新)Q 如何使用C++开发插件,示例环境:VS2013Update4参考资料[3]来做S1:新建一个空的C++DLL项目,nsMessageBoxPlugin.S2:复制C: Program File...Q 如何使用C++开发插件,示例 环境:VS2013Update4 参考资料[3]来做 S1:新建一个空的C++DL...
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How can I set the aspect ratio in matplotlib?

... Zhenya's answer suggests it's fixed in the latest version. I have version 0.99.1.1 and I've created the following solution: import matplotlib.pyplot as plt import numpy as np def forceAspect(ax,aspect=1): im = ax.get_images() extent = im[0].get_extent() ax.set_aspect(abs((extent[1]-...
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Rename specific column(s) in pandas

... 30 A much faster implementation would be to use list-comprehension if you need to rename a single c...
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Find element's index in pandas Series

... 10 Answers 10 Active ...