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Get current date in milliseconds
... can read more about this method here. You can also create a NSDate object and get time by calling timeIntervalSince1970 which returns the seconds since 1/1/1970:
NSTimeInterval timeInSeconds = [[NSDate date] timeIntervalSince1970];
And in Swift:
let timeInSeconds: TimeInterval = Date().timeInt...
Why can I use auto on a private type?
I was somehow surprised that the following code compiles and runs (vc2012 & gcc4.7.2)
4 Answers
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Restart/undo conflict resolution in a single file
...This restores the unresolved state, including all information about parent and merge base, which allows restarting the resolution.
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How do I replace all line breaks in a string with elements?
How can I read the line break from a value with JavaScript and replace all the line breaks with <br /> elements?
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How to convert a string to utf-8 in Python
...icode'>)
^ This is the difference between a byte string (plain_string) and a unicode string.
>>> s = "Hello!"
>>> u = unicode(s, "utf-8")
^ Converting to unicode and specifying the encoding.
In Python 3
All strings are unicode. The unicode function does not exist anymore. See ...
Kill a postgresql session/connection
... pg_backend_pid()
-- don't kill the connections to other databases
AND datname = 'database_name'
;
Before executing this query, you have to REVOKE the CONNECT privileges to avoid new connections:
REVOKE CONNECT ON DATABASE dbname FROM PUBLIC, username;
If you're using Postgres 8....
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
I am using hand crafted SQL to fetch data from a PG database, using SqlAlchemy. I am trying a query which contains the SQL like operator '%' and that seems to throw SqlAlcjhemy through a loop:
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SHA-1 fingerprint of keystore certificate
...he method of getting the a fingerprint? Previously, I was running this command:
35 Answers
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Serving static files with Sinatra
I have one page website only using HTML, CSS and JavaScript. I want to deploy the app to Heroku, but I cannot find a way to do it. I am now trying to make the app working with Sinatra.
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How do I read image data from a URL in Python?
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In Python3 the StringIO and cStringIO modules are gone.
In Python3 you should use:
from PIL import Image
import requests
from io import BytesIO
response = requests.get(url)
img = Image.open(BytesIO(response.content))
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