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How to declare an array in Python?
...
variable = []
Now variable refers to an empty list*.
Of course this is an assignment, not a declaration. There's no way to say in Python "this variable should never refer to anything other than a list", since Python is dynamically typed.
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How do I format XML in Notepad++?
...error when trying to use this plugin, try XML Tools -> Check XML syntax now. I had an issue where the encoding was specified as UTF-16 but was actually UTF-8. Changing the encoding attribute in the XML file fixed the problem.
– Mirza Dobric
Jul 20 '12 at 1...
What happens if you don't commit a transaction to a database (say, SQL Server)?
...s state. the problem was that I was getting an error when I try to commit. now I closed the connection and it all worked.
– Charbel
Feb 4 '11 at 11:49
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Update R using RStudio
...ork for you, try using installed.packages()
to find the proper pathnames.]
now you can update your packages by typing update.packages() in your RStudio console, and answering 'y' to all of the prompts.
> update.packages(checkBuilt=TRUE)
class :
Version 7.3-7 installed in /Library/Frameworks/R.f...
Exif manipulation library for python [closed]
...projects/gexiv2/wiki (became https://wiki.gnome.org/Projects/gexiv2) reads now:
This will work equally well with either Python 2 or 3, which makes
GExiv2 an excellent replacement for pyexiv2, which only supports
Python 2.
So, both Python2 and Python3 are now supported by GExiv2.
Good news...
Set size on background image with CSS?
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This is the worst solution for now, as not every e-commerce shop is going to re-size the image as suggested. In 2009, it most likely was close to the best option, now just use the size attributes like below.
– ShaunOReilly
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Profiling Vim startup time
...ugins over the years. I’m a bit fed up with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
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How to avoid null checking in Java?
... to intermediate developers tend to face at some point: they either don't know or don't trust the contracts they are participating in and defensively overcheck for nulls. Additionally, when writing their own code, they tend to rely on returning nulls to indicate something thus requiring the caller ...
How do I change the working directory in Python?
... Never call os.chdir() outside of a context manager, unless you think you know what you're doing. (You probably don't.)
– Cecil Curry
May 22 '16 at 5:19
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Test method is inconclusive: Test wasn't run. Error?
... Worked for me and I don't have to clear build for the tests now. Thanks Elias.
– PhoenixPan
Mar 18 '19 at 0:01
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