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ImportError: No module named requests
Whenever I try to import requests , I get an error saying No module Named requests .
31 Answers
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Error 1022 - Can't write; duplicate key in table
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The most likely you already have a constraint with the name iduser or idcategory in your database. Just rename the constraints if so.
Constraints must be unique for the entire database, not just for the specific table you are creating/altering.
To find out where the constraints a...
Django-Admin: CharField as TextArea
...odelForm ):
descr = forms.CharField( widget=forms.Textarea )
class Meta:
model = Cab
class Cab_Admin( admin.ModelAdmin ):
form = CabModelForm
The form attribute of admin.ModelAdmin is documented in the official Django documentation. Here is one place to look at.
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How to download a file from server using SSH? [closed]
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In your terminal, type:
scp your_username@remotehost.edu:foobar.txt /local/dir
replacing the username, host, remote filename, and local directory as appropriate.
If you want to access EC2 (or other service that requires authenticating with a private key), use t...
How can I have linebreaks in my long LaTeX equations?
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If your equation does not fit on a single line, then the multline environment probably is what you need:
\begin{multline}
first part of the equation \\
= second part of the equation
\end{multline}
If you also need some alignment respect to the first part, you can use split:
\begin{equa...
Trim a string based on the string length
... surrogate pair. On the other hand, String.length() is no longer an ideal measure of Unicode text length, so trimming based on it may be the wrong thing to do.
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How to know which version of Symfony I have?
... Symfony2 project and started with but I have updated my vendor several times and I want to know which version of symfony I have
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Spring mvc @PathVariable
Can you give me a brief explanation and a sample in using @PathVariable in spring mvc? Please include on how you type the url?
I'm struggling in getting the right url to show the jsp page. Thanks.
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No generic implementation of OrderedDictionary?
There doesn't appear to be a generic implementation of OrderedDictionary (which is in the System.Collections.Specialized namespace) in .NET 3.5. Is there one that I'm missing?
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Inline labels in Matplotlib
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Nice question, a while ago I've experimented a bit with this, but haven't used it a lot because it's still not bulletproof. I divided the plot area into a 32x32 grid and calculated a 'potential field' for the best position of a label for each line according the f...