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What is the syntax rule for having trailing commas in tuple definitions?
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In all cases except the empty tuple the comma is the important thing. Parentheses are only required when required for other syntactic reasons: to distinguish a tuple from a set of function arguments, operator precedence, or to a...
How to initialize all members of an array to the same value in Swift?
I have a large array in Swift. I want to initialize all members to the same value (i.e. it could be zero or some other value). What would be the best approach?
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Django TemplateDoesNotExist?
... assuming that you have the apps configured in settings.py like this:
INSTALLED_APPS = (
'appname1',
'appname2',
'appname3',
)
By default Django will load the templates under templates/ directory under every installed apps. So with your directory structure, we want to move our templat...
What is Lazy Loading?
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It's called lazy loading because, like a lazy person, you are putting off doing something you don't want to. The opposite is Eager Loading, where you load something right away, long before you need it.
If you are curious why peop...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
..."A potentially dangerous Request.Path value was detected from the client (&)" . The site is written with ASP.Net MVC 3 (in C#) and is running on IIS 7.5.
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What is the definition of “interface” in object oriented programming
... one of the more overloaded and confusing terms in development.
It is actually a concept of abstraction and encapsulation. For a given "box", it declares the "inputs" and "outputs" of that box. In the world of software, that usually means the operations that can be invoked on the box (along with ar...
Missing styles. Is the correct theme chosen for this layout?
...u're still receiving the error in your layouts, try to 'Invalidate caches & restart'.
Enjoy a coffee while Android Studio is recreating caches & indexes.
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Android Studio: Default project directory
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This may be what you want.
Settings -> Appearance & Behavior -> System Settings > Project Opening > Default Directory
Open 'Preferences'
Select System Settings -> Project Opening
Set 'Default Directory' where you want.
It worked for me. I tried Android Stu...
Unix's 'ls' sort by name
...t the FILEs (the current directory by default). Sort entries alpha‐betically if none of -cftuvSUX nor --sort is specified.:
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How to have the formatter wrap code with IntelliJ?
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IntelliJ IDEA 14, 15, 2016 & 2017
Format existing code
Ensure right margin is not exceeded
File > Settings > Editor > Code Style > Java > Wrapping and Braces > Ensure right margin is not exceeded
Reformat code
Code > Ref...