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Converting NumPy array into Python List structure?
How do I convert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
5 Answers
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Null coalescing in powershell
...al
As you can see a very simple function can give you quite a bit of freedom of syntax.
UPDATE: One extra option to consider in the mix is a more generic IsTrue function:
function IfTrue($a, $b, $c) { if ($a) { $b } else { $c } }
$x = IfTrue ($myval -eq $null) "" $otherval
Then combine that i...
Can you write virtual functions / methods in Java?
Is it possible to write virtual methods in Java, as one would do in C++?
6 Answers
6...
Disable intellij indexing on specific folder
...cally. Is it possible to disable indexing on that folder? Everything slows down whenever I deploy and it's really annoying - I have to wait a few minutes whilist intellij doing unnecessary indexing. In module view I excluded that folder but it's not helping. Any help would be appreciated.
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Split Python Flask app into multiple files
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Yes, Blueprints are the right way to do it. What you are trying to do can be achieved like this:
Main.py
from flask import Flask
from AccountAPI import account_api
app = Flask(__name__)
app.register_blueprint(account_api)
@app.route("/")
def hello():
re...
POST data in JSON format
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xhr.send(JSON.stringify(data));
xhr.onloadend = function () {
// done
};
};
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Tar archiving that takes input from a list of files
...his command is for linux variant and for those on sunOS or other variants, do check out the other answers below. E.g. For sunOS, two alternatives I have tested: tar -cvf file.tar -I list.txt and tar -cvf file.tar $(cat list.txt)
– Nasri Najib
Sep 2 '19 at 8:37
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Android ListView headers
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Here's how I do it, the keys are getItemViewType and getViewTypeCount in the Adapter class. getViewTypeCount returns how many types of items we have in the list, in this case we have a header item and an event item, so two. getItemViewT...
What is the difference between native code, machine code and assembly code?
...e-code instructions which your processor (the physical piece of metal that does the actual work) understands and executes directly. All other code must be translated or transformed into machine code before your machine can execute it.
Native code: This term is sometimes used in places where machine...
创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...h other App Inventor apps and programmers. You need not be a programmer to do so– just follow the instructions below and you’ll have your own service within minutes.
To create your own web service, follow these instructions:
Download App Engine for Python at http://code.google.com/appengine...