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express 4.0 , express-session with odd warning message

I am trying to work through setting up a nodejs app using express 4.x. After stumbling through the middleware-removal issues, I finally got it working. ...
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How do I change the cursor between Normal and Insert modes in Vim?

... terminal-overrides ',*:Ss=\E[%p1%d q:Se=\E[2 q' in my tmux configuration. Apparently if you use set for terminal-overrides without -a, it will override the setting, which already has this there by default. – Steven Lu Sep 30 '19 at 17:09 ...
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?

Why would you create a "Implicitly Unwrapped Optional" vs creating just a regular variable or constant? If you know that it can be successfully unwrapped then why create an optional in the first place? For example, why is this: ...
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Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det

...mespace. So, Django Rest Framework could not find that view. There is one app in my project, suppose that my project name is myproject, and the app name is myapp. There is two urls.py file, one is myproject/urls.py and the other is myapp/urls.py. I give the app a namespace in myproject/urls.py, ju...
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Why do loggers recommend using a logger per class?

...on't have one logger per class, but instead have one logger for the entire app, you need to resort to more reflection tricks to know where the log messages are coming from. Compare the following: Log per class using System.Reflection; private static readonly ILog _logger = LogManager.GetLog...
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How to declare global variables in Android?

I am creating an application which requires login. I created the main and the login activity. 17 Answers ...
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Detecting iOS / Android Operating system

...ge for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple/Android/Other[not supported]) and modify my elements based on that value. ...
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Unable to read data from the transport connection : An existing connection was forcibly closed by th

I have a server app and sometimes, when the client tries to connect, I get the following error: 21 Answers ...
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Activity has leaked ServiceConnection @438030a8 that was original

I'm working on my first Android app. I've got three activities in my app, and the user switches back and forth pretty frequently. I've also got a remote service, which handles a telnet connection. The apps need to bind to this service in order to send/receive telnet messages. ...
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Spring Boot: How can I set the logging level with application.properties?

... Update: Starting with Spring Boot v1.2.0.RELEASE, the settings in application.properties or application.yml do apply. See the Log Levels section of the reference guide. logging.level.org.springframework.web: DEBUG logging.level.org.hibernate: ERROR For earlier versions of Spring Boot you c...