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What is the standard way to add N seconds to datetime.time in Python?
...ater: datetime(101,1,1,11,34,59). If you try subtracting a large timedelta from the date above, you'll get an "OverflowError: date value out of range" error as the year for a datetime object cannot be smaller than 1
– pheelicks
Nov 29 '11 at 5:23
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Abstract functions in Swift Language
...se class is responsible for creating and storing properties that originate from the sub class.
– David James
Nov 19 '15 at 16:27
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python: How do I know what type of exception occurred?
...er way, like:
Present exceptions as dialogs in a GUI
Transfer exceptions from a worker thread or process to the controlling thread or process in a multithreading or multiprocessing application
So how to catch the generic exception? There are several ways. If you just want the exception object, d...
How to migrate back from initial migration in Django 1.7?
...also:
python manage.py migrate <app> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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Reverting a single file to a previous version in git [duplicate]
... you want. Now, all you have to do is this:
# get the version of the file from the given commit
git checkout <commit> path/to/file
# and commit this modification
git commit
(The checkout command first reads the file into the index, then copies it into the work tree, so there's no need to us...
Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
...onship with cascading delete enabled by default again it will then cascade from Card to Side
So, you have two cascading delete paths from Stage to Side - which causes the exception.
You must either make the Stage optional in at least one of the entities (i.e. remove the [Required] attribute from ...
Constructor in an Interface?
... but note that the use case @Sebi describes (calling overloaded methods from parent constructors) is a bad idea as explained in my answer.
– rsp
May 10 '10 at 15:57
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How to allow http content within an iframe on a https site
...stall IIS, Apache
Get valid SSL certificate to avoid security errors (free from startssl.com for example)
Write a wrapper, which will download insecure content (how to below)
From your site/app get https://yourproxy.com/?page=http://insecurepage.com
If you simply download remote site content via f...
How to delete from a text file, all lines that contain a specific string?
...
Thanks, but it doesn't seem to erase it from the file but just print out the text file contents without that string.
– A Clockwork Orange
Mar 23 '11 at 20:03
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Get size of an Iterable in Java
... should use the first one, because the second one will remove all elements from values, so it is empty afterwards. Changing a data structure for a simple query like its size is very unexpected.
For performance, this depends on your data structure. If it is for example in fact an ArrayList, removing...