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image processing to improve tesseract OCR accuracy
...o 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 difficult for tesseract to pr...
How to urlencode data for curl command?
I am trying to write a bash script for testing that takes a parameter and sends it through curl to web site. I need to url encode the value to make sure that special characters are processed properly. What is the best way to do this?
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Git fatal: Reference has invalid format: 'refs/heads/master
I am using Dropbox to sync a git repository, but now when I try and push I am getting an error:
8 Answers
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Controlling fps with requestAnimationFrame?
...e for the most part, but right now I'm trying to do some canvas animations and I was wondering: Is there any way to make sure it runs at a certain fps? I understand that the purpose of rAF is for consistently smooth animations, and I might run the risk of making my animation choppy, but right now it...
Build an ASCII chart of the most commonly used words in a given text [closed]
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LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
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What is the difference between _tmain() and main() in C++?
...n does.
_tmain is a Microsoft extension.
main is, according to the C++ standard, the program's entry point.
It has one of these two signatures:
int main();
int main(int argc, char* argv[]);
Microsoft has added a wmain which replaces the second signature with this:
int wmain(int argc, wchar_t* ...
How to set specific java version to Maven
On my machine I have two java versions installed: (1.6 and 1.7 installed manually by me). I need both of them for different projects. But for Maven I need 1.7, now my Maven uses 1,6 java version, how can I set Maven to use 1.7?
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What's the difference between lists and tuples?
...cture, lists have order.
Using this distinction makes code more explicit and understandable.
One example would be pairs of page and line number to reference locations in a book, e.g.:
my_location = (42, 11) # page number, line number
You can then use this as a key in a dictionary to store not...
How do we control web page caching, across all browsers?
...he correct minimum set of headers that works across all mentioned clients (and proxies):
Cache-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Expires: 0
The Cache-Control is per the HTTP 1.1 spec for clients and proxies (and implicitly required by some clients next to Expires). The...
How do I put an already-running process under nohup?
I have a process that is already running for a long time and don't want to end it.
11 Answers
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