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What does “coalgebra” mean in the context of programming?
...ct itself as their first argument. This is just like the self parameter in Python and like the implicit this of many other languages. A coalgebra essentially just encapsulates the behavior of taking a self parameter: that's what the first C in C → F C is.
So let's put it all together. Let's imagi...
Flask-SQLAlchemy import/context issue
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Runtime vs. Compile time
...un time".
In an interpreted program (example MicroSoft basic (on dos) and python (I think)):
The source code is fed into another program (usually called an interpreter) which "runs" it directly. Here the interpreter serves as an intermediate layer between your program and the operating system (or...
Minimal web server using netcat
...sult of a function ( date in the example below, but eventually it'll be a python or c program that yields some data).
My little netcat web server needs to be a while true loop in bash, possibly as simple as this:
...
Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
...das and xlsxwriter you can do your task, below code will perfectly work in Python 3.x. For more details on working with XlsxWriter with pandas this link might be useful https://xlsxwriter.readthedocs.io/working_with_pandas.html
import pandas as pd
writer = pd.ExcelWriter(excel_file_path, engine='xl...
Are there conventions on how to name resources?
... over a decade in VB, C++, ASP.NET, WinForms in C# and VB.NET, Android and Python. I never need to remember if Android calls it a textbox or an edittext. All I need to know is that lblFoo is the static label and txtFoo is what the user types input into.
One final note is that no matter what conve...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...ages (like C++ or Java) to more weakly or dynamically typed languages like Python, Ruby, or Objective-C. In Objective-C, most objects inherit from NSObject (type id) (the rest inherit from an other root class such as NSProxy and can also be type id), and any message can be sent to any object. Of cou...
Send an Array with an HTTP Get
...nvention to encode nested structure into an otherwise flat sequence. Zope (Python framework) used a different scheme for the same use case. These schemes have mostly been obsoleted by AJAX and JSON. The idea that this should be generalised to type systems is very far fetched, to be honest.
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SQLite - UPSERT *not* INSERT or REPLACE
... Here's an upsert library for ruby and an upsert library for python
– Seamus Abshere
Nov 26 '12 at 17:31
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How to store standard error in a variable
...only to stderr, the simple way to capture it is, for example PY_VERSION="$(python --version 2>&1)"
– John Mark
Jul 10 '18 at 17:13
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