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image processing to improve tesseract OCR accuracy
I've been using tesseract to convert documents into text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - for example that generated by fax machines - is especially di...
Use of 'use utf8;' gives me 'Wide character in print'
...map { ord } split //, "鸡\n";'
40481:10
By default, Perl's IO layer assumes that it is working with single-byte characters. So when you try to print a multi-byte character, Perl thinks that something is wrong and gives you a warning. As ever, you can get more explanation for this error by includi...
Removing white space around a saved image in matplotlib
I need to take an image and save it after some process. The figure looks fine when I display it, but after saving the figure, I got some white space around the saved image. I have tried the 'tight' option for savefig method, did not work either. The code:
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OwinStartup not firing
...exactly what I did to get it to stop working and am having a really hard time figuring it out.
21 Answers
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Updating and committing only a file's permissions using git version control
Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
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Mac SQLite editor [closed]
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Unless I'm missing something, it doesn't allow you to alter existing tables.
– mahdaeng
Dec 12 '11 at 20:54
1
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Fluent and Query Expression — Is there any benefit(s) of one over other?
LINQ is one of the greatest improvements to .NET since generics and it saves me tons of time, and lines of code. However, the fluent syntax seems to come much more natural to me than the query expression syntax.
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How do I remove packages installed with Python's easy_install?
Python's easy_install makes installing new packages extremely convenient. However, as far as I can tell, it doesn't implement the other common features of a dependency manager - listing and removing installed packages.
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NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...uest, so it responds with an error.
Just include and increase proxy_read_timeout in location config block.
Same thing happened to me and I used 1 hour timeout for an internal app at work:
proxy_read_timeout 3600;
With this, NGINX will wait for an hour (3600s) for its upstream to return something....
Troubleshooting BadImageFormatException
...vice written in C# using Visual Studio 2010 and targeting the full .NET Framework 4. When I run from a Debug build the service runs as expected. However, when I run it from a Release build I get a System.BadImageFormatException (details below). I've been searching the internet for a solution but ...