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How to create an object for a Django model with a many to many field?
...()
sample_id = sample_object.id
sample_object.users.through.objects.create(user_id=1, sample_id=sample_id)
sample_object.users.through.objects.create(user_id=2, sample_id=sample_id)
This will work because we already know that the 'users' list is empty, so we can create mindlessly.
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Why can't Python's raw string literals end with a single backslash?
...ckslash and a double
quote; r"\" is not a valid string
literal (even a raw string cannot end
in an odd number of backslashes).
Specifically, a raw string cannot end
in a single backslash (since the
backslash would escape the following
quote character). Note also that a
single backsla...
Get Image size WITHOUT loading image into memory
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Gives IndexError: list index out of range
– mrgloom
Nov 21 '18 at 11:20
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Can I run HTML files directly from GitHub, instead of just viewing their source?
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You might want to use raw.githack.com. It supports GitHub, Bitbucket, Gitlab and GitHub gists.
GitHub
Before:
https://raw.githubusercontent.com/[user]/[repository]/[branch]/[filename.ext]
In your case .html extension
After:
Development (thro...
How to include a quote in a raw Python string
... (an extremely unlikely case), you can't do it, and you'll have to use non-raw strings with escapes.
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input() error - NameError: name '…' is not defined
...nter, as a Python expression. If you simply want to read strings, then use raw_input function in Python 2.7, which will not evaluate the read strings.
If you are using Python 3.x, raw_input has been renamed to input. Quoting the Python 3.0 release notes,
raw_input() was renamed to input(). That...
Python 2.7 getting user input and manipulating as string without quotations
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Use raw_input() instead of input():
testVar = raw_input("Ask user for something.")
input() actually evaluates the input as Python code. I suggest to never use it. raw_input() returns the verbatim string entered by the user.
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Favorite (G)Vim plugins/scripts? [closed]
... Link to all his vim contributions: vim.org/account/profile.php?user_id=9012
– Benjamin Oakes
May 27 '10 at 0:11
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...subsystem is unavailable
Socket error 10092 - WINSOCK.DLL version out of range
Socket error 10093 - Successful WSAStartup not yet performed
Socket error 10094 - Graceful shutdown in progress
Socket error 11001 - Host not found
Socket error 11002 - Non-authoritative host not found
Socket ...
Download single files from GitHub
...e able to do this with GitHub.
When you view a file it has a link to the "raw" version. The URL is constructed like so
https://raw.githubusercontent.com/user/repository/branch/filename
By filling in the blanks in the URL, you can use Wget or cURL (with the -L option, see below) or whatever to do...