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How to create a temporary directory?
...ry directory with a random name and makes sure that file doesn't already exist. You need to remember to delete the directory after using it though.
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is not JSON serializable
..._queryset() contains a mix of django objects and dicts inside.
One option is to get rid of model instances in the self.get_queryset() and replace them with dicts using model_to_dict:
from django.forms.models import model_to_dict
data = self.get_queryset()
for item in data:
item['product'] = m...
Java String - See if a string contains only numbers and not letters
...ple if statement to see if it contains letters or numbers but, something isn't quite working correctly. Here is a snippet.
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How to display PDF file in HTML?
I have an auto generated PDF file by itext and I need to display that PDF file in HTML. My question is: How to display a local PDF file in HTML using pdf.js ? Should that PDF file be generated by some standards?
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Visual Studio jump to next error shortcut?
When a compile fails in VB.NET in Visual Studio 2008, an Error List pops up at the bottom of the screen. To jump to an error, I double click on an error in the error list.
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JVM option -Xss - What does it do exactly?
It says here that -Xss is used to "set thread stack size", what does it mean exactly? Could anyone help me understand this?
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POST JSON to API using Rails and HTTParty
... to be able to submit a ticket to my external ticket management system, squishlist.com. They have an api and instructions as follows. You need to authenticate and get a token and then submit the ticket with the token. From squishlist.
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How do I “commit” changes in a git submodule? [duplicate]
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A submodule is its own repo/work-area, with its own .git directory.
So, first commit/push your submodule's changes:
$ cd path/to/submodule
$ git add <stuff>
$ git commit -m "comment"
$ git push
Then, update your main project to...
How to evaluate http response codes from bash/shell script?
I have the feeling that I'm missing the obvious, but have not succeeded with man [curl|wget] or google ("http" makes such a bad search term). I'm looking for a quick&dirty fix to one of our webservers that frequently fails, returning status code 500 with an error message. Once this happens, it nee...
Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
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edited May 23 '17 at 11:47
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