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How often does python flush to a file?
...t size.
A negative buffering means to use the system default, which is usually line buffered for tty devices and fully buffered for other files.
If omitted, the system default is used.
code:
bufsize = 0
f = open('file.txt', 'w', buffering=bufsize)
...
Add column with constant value to pandas dataframe [duplicate]
...ods to gain some intuition for alignment works with objects that have partially, totally, and not-aligned-all aligned indices. For example here's how DataFrame.align() works with partially aligned indices:
In [7]: from pandas import DataFrame
In [8]: from numpy.random import randint
In [9]: df = ...
Unable to export Apple production push SSL certificate in .p12 format
...ers & Profiles
Go to Certificates and create a Apple Push Notification service SSL
From here on you will be guided through the certificate generation process.
After you download the generated cert, install it in your keychain (double click the cert file or drag and drop into the keychain window....
ImportError: No module named MySQLdb
...tall pymysql and switch your SQLAlchemy URI to start like this:
SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://.....'
There are some other drivers you could also try.
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Origin is not allowed by Access-Control-Allow-Origin
...ccessible from any other site on the internet. If you intend to only allow services on your host to be used by a specific server you can replace the * with the URL of the originating server:
Header set Access-Control-Allow-Origin: http://my.origin.host
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How to display Toast in Android?
...VER, getting toasts to work outside of activities (for example in a system Service) requires access to the main loop. Posting my solution.
– ChrisCM
Dec 10 '15 at 21:31
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Linq to Entities - SQL “IN” clause
...sing LINQ, one uses query syntax and the other uses method syntax. Essentially, they are the same and could be used interchangeably depending on your preference:
Query Syntax:
var selected = from u in users
where new[] { "Admin", "User", "Limited" }.Contains(u.User_Rights)
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In Python, what happens when you import inside of a function? [duplicate]
... @TobiasKienzler it still applies for the FaaS (Function-as-a-Service) environment and/or for some low-performance (e.g. embedded) appliances. The argument is that the difference in latency can be significant and it can not be simply neglected.
– user3576508
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Required tags not present when using Delphi XML Data Binding Wizard
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What's the difference between the data structure Tree and Graph?
Academically speaking, what's the essential difference between the data structure Tree and Graph? And how about the tree based search and Graph based search?
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