liana | LIANA : a LIgand-receptor ANalysis frAmework
kandi X-RAY | liana Summary
kandi X-RAY | liana Summary
The continuous developments of single-cell RNA-Seq (scRNA-Seq) have sparked an immense interest in understanding intercellular crosstalk. Multiple tools and resources that aid the investigation of cell-cell communication (CCC) were published recently. However, these methods and resources are usually in a fixed combination of a tool and its corresponding resource, but in principle any resource could be combined with any method.
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QUESTION
I'm new to APIs and am following the exact instructions of every website explaining how one is supposed to get help of the APIs in Python using the requests module. However, no matter what API link I define (of course I went for many free API samples just to test if they work), I get this error: ImportError: cannot import name 'b64encode' from 'base64'
I have no idea what the problem is, or what I'm not getting right.
Here's my snippet, just as a sample:
ANSWER
Answered 2021-Nov-03 at 12:04If you look carefully at the traceback, you will see that it starts with your script, "/home/liana/Desktop/testing.py", goes through a chain of imports, and ends up crashing trying to import b64encode from base64.py.
The file /home/liana/Desktop/base64.py is something you either created or downloaded. Since it's in the current directory, it supersedes the real base64.py that "/usr/lib/python3.9/email/base64mime.py" is looking for. The file in your current directory clearly does not define the name b64encode, which is the immediate cause of the error.
To fix the problem, make sure the names of the files in your current directory don't conflict with the names of other top level modules. So either rename it delete /home/liana/Desktop/base64.py.
QUESTION
I'm trying to write a password validator application using python tkinter.
If the inserted password contains at least 2 numbers, at least 2 special characters and a length of at least 7, the password is considered Strong, else Weak.
If I enter a weak password the program will work, but if I enter a strong password I face this error:
...ANSWER
Answered 2020-Nov-05 at 18:10Use the global call to access the global variables
QUESTION
I am a new react student, have no place else to ask this question and can't solve it on my own because I'm really confused, I don't even know how to put this question together properly. I'm following the instructions from a react course.
I installed node.js, created a new project folder, then in the terminal I wrote create react-app . everything worked, and then wrote npm run build and npm start, but both didn't work.
Heres the error messages for npm run build:
ANSWER
Answered 2020-Oct-18 at 02:46Firstly to create your project based on "create-react...." You have to use the exactly command "npx create-react-app 'yournameProject'" Then open your folder in a text editor like visual code and run the following command -> "npm start" It shouldnt give you error
About your problem: I think you have stepped something
So try to use first "npm i" then "npm start"
QUESTION
I am trying to make an interactive health bar in my SVG dog interface. Idea is very simple: suppose we have 100hp, then the element is fully red, if we have 50hp, the element is half-red.
Here is the code of the SVG health bar element:
ANSWER
Answered 2020-Apr-25 at 05:40You can use a linearGradient to do this. We need two gradient stops at the same place to give a sharp colour change.
QUESTION
I have the following setup: a UICollectionView with a custom cell, where the user can select multiple cells and then perform some heavy image operation. Now I try to update the selected cells which the user selected with the result of that operation, which will be produced by a function of the subclassed custom cell. For all visible cells, the function is called on button press by the user and for all other cells, this happens via cellForItemAt in order to be most efficient.
However, I face the problem now, that the visible cells are all updated but then after scrolling the cells right behind or before the visible cells do not get updated via cellForItemAt but only when scrolling forth and back. Please see the attached video.
For demonstration purposes I just show a green UIView for the image operation. Because that operation is resource heavy, I cannot use any of the UICollectionView reloadData or similar, as they would deselect the selected cells, and manual re-selection will cause flickering.
ViewController
...ANSWER
Answered 2020-Mar-02 at 20:40UICollectionView defaults to prefetchingEnabled == YES, which means that the collection view will request cells before it needs to display them. If the app's state changes such that the cells that have already been fetched need to be displayed differently, you can implement the collectionView:willDisplayCell:forItemAtIndexPath: method to update the cell.
It looks like this is exactly your problem... you turn on a feature that should change the way the cells look, but the cells that have been fetched but which aren't visible don't get updated. Implementing collectionView:willDisplayCell:forItemAtIndexPath: should solve the problem.
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