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image processing to improve tesseract OCR accuracy
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fix DPI (if needed) 300 DPI is minimum
fix text size (e.g. 12 pt should be ok)
try to fix text lines (deskew and dewarp text)
try to fix illumination of image (e.g. no dark part of image)
binarize and de-noise image
There is no universal command line that would fit to all cases (som...
Why does Convert.ToString(null) return a different value if you cast null?
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2 Answers
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abort: no username supplied (see “hg help config”)
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edited Oct 22 '13 at 13:06
answered Mar 19 '10 at 13:56
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Converting Stream to String and back…what are we missing?
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62
This is so common but so profoundly wrong. Protobuf data is not string data. It certainly isn't ...
Open document with default OS application in Python, both in Windows and Mac OS
...ed, too.
You can also call them via subprocess module, but...
For Python 2.7 and newer, simply use
subprocess.check_call(['open', filename])
In Python 3.5+ you can equivalently use the slightly more complex but also somewhat more versatile
subprocess.run(['open', filename], check=True)
If yo...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...序使用glibc提供的malloc/free系列函数，而glibc使用的ptmalloc2在性能上远远弱后于google的tcmalloc和facebook的jemalloc。 而且后两者只需要使用LD_PRELOAD环境变量启动程序即可，甚至并不需要重新编译。
glibc ptmalloc2
ptmalloc2即是我们当前使...
Running Python on Windows for Node.js dependencies
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22 Answers
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Is there a way to disable the Title and Subtitle in Highcharts?
... the title in that case:
without text: http://jsfiddle.net/jlbriggs/JVNjs/284/
with text: http://jsfiddle.net/jlbriggs/JVNjs/286/
title:{
text:''
}
If you want less space than is left in that case, simply set your 'marginTop' to 0
{{edit due to numerous comments:
As pointed out a number ...
What are the best practices for catching and re-throwing exceptions?
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292
You should not be catching the exception unless you intend to do something meaningful.
"Somet...
How do you push a tag to a remote repository using Git?
...lated branches
It is for those reasons that --tags should be avoided.
Git 2.4 has added the push.followTags option to turn that flag on by default which you can set with:
git config --global push.followTags true
or by adding followTags = true to the [push] section of your ~/.gitconfig file.
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