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How to add/update an attribute to an HTML element using JavaScript?
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edited May 27 '17 at 10:02
Ashish Ahuja
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converting a base 64 string to an image and saving it
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Here is an example, you can modify the method to accept a string parameter. Then just save th...
How to set the font style to bold, italic and underlined in an Android TextView?
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I don't know about underline, but for bold and italic there is "bolditalic". There is no menti...
Android notification is not showing
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edited Jun 20 at 9:12
community wiki
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IISExpress Log File Location
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You can update above directory paths to change the log file locations.
2 . If you are running IIS Express from command line, you can use '/config' switch to provide configuration file of your choice. Following link may help you http://learn.iis.net/page.aspx/870/running-iis-express-from-the-comm...
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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Active
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Open document with default OS application in Python, both in Windows and Mac OS
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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...
Asynchronous shell exec in PHP
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If it "doesn't care about the output", couldn't the exec to the script be called with the &...