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What is (functional) reactive programming?
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Denotational semantics gave me a precise framework for this question, and one that fits my aesthetics (unlike operational or axiomatic semantics, both of which leave me unsatisfied).
So I asked myself what is behavior?
I soon realized that the temporally discrete nature of imperative computation is...
Defining a variable with or without export
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There's one edge-case to this; name=value command does make the variable available in the sub-process command.
– Oliver Charlesworth
Dec 23 '15 at 11:09
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How to convert JSON data into a Python object
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UPDATE
With Python3, you can do it in one line, using SimpleNamespace and object_hook:
import json
from types import SimpleNamespace
data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
# Parse JSON into an object with attributes corresp...
Is Python strongly typed?
..."1"
43.0
>>> a + Foo
42
>>> a + 1
43.0
>>> a + None
42
Observe that even though strongly typed Python is completely fine with adding objects of type int and float and returns an object of type float (e.g., int(42) + float(1) returns 43.0). On the other hand, due to the m...
Eclipse git checkout (aka, revert)
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This can be done via the context menu "Replace with/File in Git index" on the file in package view.
share
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improve this answer
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Representing graphs (data structure) in Python
How can one neatly represent a graph in Python ? (Starting from scratch i.e. no libraries!) What data structure (e.g. dicts/tuples/dict(tuples)) will be fast but also memory efficient? One must be able to do various graph operations on it.
As pointed out, the various graph representations...
In plain English, what does “git reset” do?
... easiest to understand, probably. All of your local changes get clobbered. One primary use is blowing away your work but not switching commits: git reset --hard means git reset --hard HEAD, i.e. don't change the branch but get rid of all local changes. The other is simply moving a branch from one pl...
Change date of git tag (or GitHub Release based on it)
...TTER_DATE="$(git show --format=%aD | head -1)" git tag -a $tag -m"$tag"`; done; git push --tags
– Phrogz
Feb 13 '14 at 3:14
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What are the differences between B trees and B+ trees?
...es are linked, so doing a full scan of all objects in a tree requires just one linear pass through all the leaf nodes. A B tree, on the other hand, would require a traversal of every level in the tree. This full-tree traversal will likely involve more cache misses than the linear traversal of B+ lea...
How to make blinking/flashing text with CSS 3
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Just noticed that this, applied to one text element, consumes ridiculous amount of CPU on my computer using firefox. Beware.
– Alex
Sep 10 '14 at 9:00
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