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Reading file contents on the client-side in javascript in various browsers

...nnerHTML = "error reading file"; } } Original answer There does not appear to be a way to do this in WebKit (thus, Safari and Chrome). The only keys that a File object has are fileName and fileSize. According to the commit message for the File and FileList support, these are inspired by Mozil...
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Java - sending HTTP parameters via POST method easily

...conn.setRequestMethod( "POST" ); conn.setRequestProperty( "Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty( "charset", "utf-8"); conn.setRequestProperty( "Content-Length", Integer.toString( postDataLength )); conn.setUseCaches( false ); try( DataOutputStream wr = new Da...
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How to identify unused css definitions

Are there any good approaches to help identify unused css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit. ...
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Debugging Scala code with simple-build-tool (sbt) and IntelliJ

... For ordinary debugging in IntelliJ, you can use an Application run/debug configuration in the usual way, regardless of whether you're using sbt to compile your code. To connect to your application running in Jetty, you'll need to create a Remote debug configuration. When yo...
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Program only crashes as release build — how to debug?

...here the code is crashing, though unfortunately the actual crash seems to happen in some destructor, since the last trace messages I see are in other destructors which execute cleanly. ...
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Spring Boot JPA - configuring auto reconnect

I have a nice little Spring Boot JPA web application. It is deployed on Amazon Beanstalk and uses an Amazon RDS for persisting data. It is however not used that often and therefore fails after a while with this kind of exception: ...
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What does inverse_of do? What SQL does it generate?

...any of the following options: :through :foreign_key class Author < ApplicationRecord has_many :books, inverse_of: 'writer' end class Book < ApplicationRecord belongs_to :writer, class_name: 'Author', foreign_key: 'author_id' end a = Author.first b = a.books.first a.first_name == b.w...
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Get current clipboard content? [closed]

... I am worried about Keepass and its security. The app lets me copy my passwords to the clipboard. – René Winkler Sep 5 at 19:12 add a comment ...
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Django: Get list of model fields?

...answers are outdated I'll try to update you on Django 2.2 Here posts- your app (posts, blog, shop, etc.) 1) From model link: https://docs.djangoproject.com/en/stable/ref/models/meta/ from posts.model import BlogPost all_fields = BlogPost._meta.fields #or all_fields = BlogPost._meta.get_fields() No...
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Given a view, how do I get its viewController?

...ments the method by returning its view’s superview; UIWindow returns the application object, and UIApplication returns nil. So, if you recurse a view’s nextResponder until it is of type UIViewController, then you have any view’s parent viewController. Note that it still may not have a paren...