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Algorithm to detect corners of paper sheet in photo
...eady, and then sort my code on my day off tomorrow.
First tip, OpenCV and python are awesome, move to them as soon as possible. :D
Instead of removing small objects and or noise, lower the canny restraints, so it accepts more edges, and then find the largest closed contour (in OpenCV use findconto...
How to solve “Fatal error: Class 'MySQLi' not found”?
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On AWS with amazon linux, it would be something like sudo yum install php56-mysqlnd.x86_64 (pick the one matching to which version of php you have installed)
– auspicious99
Dec 3 '18 at 10:46
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...stead of (utf8_unicode_ci, IMPLICIT). i am scraping data off the web using python, then creating an CSV file with the scraped data, which i then process with a PHP file on my server that uploads the data to my database. all my MySQL tables/columns are collated as utf8mb4_unicode_ci. might the issue ...
Yes/No message box using QMessageBox
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If you want to make it in python you need check this code in your workbench.
also write like this.
we created a popup box with python.
msgBox = QMessageBox()
msgBox.setText("The document has been modified.")
msgBox.setInformativeText("Do you want to ...
Coding Katas for practicing the refactoring of legacy code
...re interested enough in to keep working in. The last one I worked on was a python library for genetic programming, and the current one I'm working on is a IRC library for Java.
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Moving average or running mean
Is there a SciPy function or NumPy function or module for Python that calculates the running mean of a 1D array given a specific window?
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Binary Data in JSON String. Something better than Base64
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Python 3.4 includes base64.b85encode() and b85decode() now. A simple encode+decode timing measurement shows that b85 is more than 13 times slower than b64. So we have a 7% size win, but 1300% performance loss.
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Problems with entering Git commit message with Vim
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Typically, git commit brings up an interactive editor (on Linux, and possibly Cygwin, determined by the contents of your $EDITOR environment variable) for you to edit your commit message in. When you save and exit, the commit completes.
You should make sure that the changes you ar...
Apache VirtualHost 403 Forbidden
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I had this issue on Arch Linux too... it costs me some time but I'm happy now that I found my mistake:
My directory with the .html files where in my account.
I set everything on r+x but I still got the 403 error.
Than I went completely back and tr...
Android Studio: Default project directory
...u can also edit ~/.AndroidStudioPreview/config/options/ide.general.xml (in linux) and change the line that reads <option name="lastProjectLocation" value="$USER_HOME$/AndroidStudioProjects" /> to <option name="lastProjectLocation" value="$USER_HOME$/Projects/AndroidStudio" />, but be awa...