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How can I represent an infinite number in Python?
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In Python, you can do:
test = float("inf")
In Python 3.5, you can do:
import math
test = math.inf
And then:
test > 1
test > 10000
test > x
Will always be true. Unless of course, as pointed out, x is also infinity or "nan" ("no...
Local Storage vs Cookies
...s (4095, actually) — it's per cookie. Local Storage is as big as 5MB per domain — SO Question also mentions it.
localStorage is an implementation of the Storage Interface. It stores data with no expiration date, and gets cleared only through JavaScript, or clearing the Browser Cache / Locally St...
What is the difference between NULL, '\0' and 0?
...to the C Standard.
Note that what is a null pointer in the C language. It does not matter on the underlying architecture. If the underlying architecture has a null pointer value defined as address 0xDEADBEEF, then it is up to the compiler to sort this mess out.
As such, even on this funny architec...
Access denied for user 'root@localhost' (using password:NO)
I'm new to MySQL, I'm trying to run WordPress in my Windows desktop and it needs MySQL.
16 Answers
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JSON encode MySQL results
How do I use the json_encode() function with MySQL query results? Do I need to iterate through the rows or can I just apply it to the entire results object?
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How to parse a string to an int in C++?
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What not to do
Here is my first piece of advice: do not use stringstream for this. While at first it may seem simple to use, you'll find that you have to do a lot of extra work if you want robustness and good error handling.
Here is an...
How does a Breadth-First Search work when looking for Shortest Path?
I've done some research, and I seem to be missing one small part of this algorithm. I understand how a Breadth-First Search works, but I don't understand how exactly it will get me to a specific path, as opposed to just telling me where each individual node can go. I guess the easiest way to explain...
How to print colored text in Python?
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This somewhat depends on what platform you are on. The most common way to do this is by printing ANSI escape sequences. For a simple example, here's some python code from the blender build scripts:
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m'
WARNING ...
How to trigger a build only if changes happen on particular set of files
How do I tell Jenkins/Hudson to trigger a build only for changes on a particular project in my Git tree?
8 Answers
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Deleting all pending tasks in celery / rabbitmq
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From the docs:
$ celery -A proj purge
or
from proj.celery import app
app.control.purge()
(EDIT: Updated with current method.)
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