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Python Image Library fails with message “decoder JPEG not available” - PIL
...L
pip install PIL --upgrade
This resolved the decoder JPEG not available error for me.
UPDATE (4/24/14):
Newer versions of pip require additional flags to download libraries (including PIL) from external sources. Try the following:
pip install PIL --allow-external PIL --allow-unverified PIL
S...
Remove all special characters from a string [duplicate]
I am facing an issue with URLs, I want to be able to convert titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens.
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How do I get Flask to run on port 80?
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So it's throwing up that error message because you have apache2 running on port 80.
If this is for development, I would just leave it as it is on port 5000.
If it's for production either:
Not Recommended
Stop apache2 first;
Not recommended as...
Matplotlib transparent line plots
I am plotting two similar trajectories in matplotlib and I'd like to plot each of the lines with partial transparency so that the red (plotted second) doesn't obscure the blue.
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How to import a module given its name as string?
...each import individually wrapped in a try: mods=__import__()\nexcept ImportError as error: report(error) to allow other commands to continue to work while the bad ones get fixed.
– DevPlayer
Apr 8 '15 at 13:38
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How to send an email from JavaScript
... subject: _subject,
text: _message
}
}, function(error, response){
if (error) console.log( error );
else console.log(response);
});
}
// define your own email api which points to your server.
app.post( '/api/sendemail/', function(req, res){
var _n...
How can I know when an EditText loses focus?
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Kotlin way
editText.setOnFocusChangeListener { _, hasFocus ->
if (!hasFocus) { }
}
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ValidateAntiForgeryToken purpose, explanation and example
...then the same value is written to the form. When the page is submitted, an error is raised if the cookie value doesn't match the form value.
It's important to note that the feature prevents cross site request forgeries. That is, a form from another site that posts to your site in an attempt to subm...
Why does Vim save files with a ~ extension?
...he original file (resulting in the risk of destroying it in case of an I/O error). But you prevent "jumping files" on the Windows desktop with it, which is the primary reason for me to have nowritebackup in place.
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How to jump to a particular line in a huge text file?
Are there any alternatives to the code below:
16 Answers
16
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