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ASP.NET web.config: configSource vs. file attributes
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file attribute
Specifies a relative path to an external file that contains custom application configuration settings
specific to the appSettings section
will merge (and override) settings in the .config file
will not cause web application to re...
How to access environment variable values?
...mes you might need to see a complete list!
# using get will return `None` if a key is not present rather than raise a `KeyError`
print(os.environ.get('KEY_THAT_MIGHT_EXIST'))
# os.getenv is equivalent, and can also give a default value instead of `None`
print(os.getenv('KEY_THAT_MIGHT_EXIST', defa...
What is the difference between Left, Right, Outer and Inner Joins?
I am wondering how to differentiate all these different joins ...
9 Answers
9
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How do I get the picture size with PIL?
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If you also want to know the number of channels, you should use im.mode. Since PIL is a bit cryptic, you can also use numpy: numpy.array(im).shape
– Alex Kreimer
Jun 17 '17 at 17:26
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What is the difference between sed and awk? [closed]
... "variables": pattern space and hold space. Readability of scripts can be difficult. Mathematical operations are extraordinarily awkward at best.
There are various versions of sed with different levels of support for command line options and language features.
awk is oriented toward delimited fiel...
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...ough a
foreign key, but have not yet been
saved. Note: This only works if an
associated object already exists, not
if it‘s nil!
The answer to building in the opposite direction is a slightly altered syntax. In your example with the dogs,
Class Dog
has_many :tags
belongs_to :person...
Renaming files in a folder to sequential numbers
...in creation date order or minimize the padding which are things the OP specified. However, it should be noted that Linux/Unix don't store a creation date.
– Paused until further notice.
Jul 9 '10 at 13:50
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Sublime text 2 - find and replace globally ( all files and in all directories )
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Yes, there is Multiple Files search and replace.
Press ctrlshiftF (cmdshiftF on MacOS):
In the Where field you can also add filters to search only folders and files that you need. If nothing is set, the search is made on all files listed in the sidebar.
If you double click on a lin...
What's the best way to add a drop shadow to my UIView
...h.CGPath;
First of all: The UIBezierPath used as shadowPath is crucial. If you don't use it, you might not notice a difference at first, but the keen eye will observe a certain lag occurring during events like rotating the device and/or similar. It's an important performance tweak.
Regarding you...
The type or namespace name 'DbContext' could not be found [closed]
...ect Add Reference.... Then in the .NET tab, select System.Data.Entity. And if you want to use NuGet, right click on the References item and then select Add Library Package Reference... and in the Online tab, search for EntityFramework.
– Darin Dimitrov
Apr 21 '...