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How to schedule a function to run every hour on Flask?
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You can use BackgroundScheduler() from APScheduler package (v3.5.3):
import time
import atexit
from apscheduler.schedulers.background import BackgroundScheduler
def print_date_time():
print(time.strftime("%A, %d. %B %Y %I:%M:%S %p"))
scheduler = Bac...
How to construct a timedelta object from a simple string
...uld parse using regular expressions
Here is re-based solution:
import re
from datetime import timedelta
regex = re.compile(r'((?P<hours>\d+?)hr)?((?P<minutes>\d+?)m)?((?P<seconds>\d+?)s)?')
def parse_time(time_str):
parts = regex.match(time_str)
if not parts:
...
In Python, when to use a Dictionary, List or Set?
...hone numbers to a list: [number1, number2, ...]).
When you want a mapping from keys to values, use a dict. (For example, when you want a telephone book which maps names to phone numbers: {'John Smith' : '555-1212'}). Note the keys in a dict are unordered. (If you iterate through a dict (telephone b...
Passing command line arguments to R CMD BATCH
I have been using R CMD BATCH my_script.R from a terminal to execute an R script. I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather th...
How to remove RVM (Ruby Version Manager) from my system
How can I remove RVM (Ruby Version Manager) from my system?
13 Answers
13
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ReactJS state vs prop
...allbacks down to the children that need to modify your data, and call them from the child component.
Modifying this.props or this.state directly is not a good idea, because React will not be able to pick up on the changes. That's because React does a shallow comparison of your post prop to determin...
Is 1.0 a valid output from std::generate_canonical?
...numbers would lie between zero and one, without 1 , i.e. they are numbers from the half-open interval [0,1). The documention on cppreference.com of std::generate_canonical confirms this.
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REST authentication and exposing the API key
...ss it along to the API. Doing so, any other server could request that HTML from the first web server, get the signature out of the response, and use that in the HTML on their own website. (I really think the above post does not answer the question about how a public API key in the HTML can be safe.)...
Recover from git reset --hard?
Is there any way to recover uncommitted changes to the working directory from a git reset --hard HEAD ?
22 Answers
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How do I write good/correct package __init__.py files
...y importing modules
http://docs.python.org/tutorial/modules.html#importing-from-a-package
using __all__ and import * is redundant, only __all__ is needed
I think one of the most powerful reasons to use import * in an __init__.py to import packages is to be able to refactor a script that has grown ...