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Disable submit button when form invalid with AngularJS

... Sorry, I use it now. Yet, it is still disabled even when the textbox contains text – ali Mar 8 '13 at 17:44 1 ...
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Difference between exit() and sys.exit() in Python

... are two similarly-named functions, exit() and sys.exit() . What's the difference and when should I use one over the other? ...
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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without

...ackage directories had accidentally been copied so that an extra directory now existed called "Copy of dagskra" containing Java files with wrong package declarations. In addition the errors in this "new" directory don't show up with a "red-x" in the package that it exists in: Snapshot from Package ...
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Length of a JavaScript object

... This doesn't have to modify any existing prototype since Object.keys() is now built in. Edit: Objects can have symbolic properties which can not be returned via Object.key method. So the answer would be incomplete without mentioning them. Symbol type was added to the language to create unique ide...
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Flask raises TemplateNotFound error even though template file exists

...dule, and that you did in fact put a home.html file in that subdirectory. If your app is a package, the templates folder should be created inside the package. myproject/ app.py templates/ home.html myproject/ mypackage/ __init__.py templates/ hom...
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?

... Why is the __autoreleasing qualifier placed inbetween the stars, and not just in front of NSError**? This looks weird to me as the type is NSError**. Or is it because this is trying to indicate that the pointed-to NSError* pointer has to be qualified as po...
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Trusting all certificates using HttpClient over HTTPS

...ng going over the public internet. Your question is just what I want to know. After I did some searches, the conclusion is as follows. In HttpClient way, you should create a custom class from org.apache.http.conn.ssl.SSLSocketFactory, not the one org.apache.http.conn.ssl.SSLSocketFactory itself....
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static files with express.js

... If there is only ONE parameter - then express.static expects that one parameter to be path.... – Seti Dec 16 '16 at 8:21 ...
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Why does @foo.setter in Python not work for me?

...problems is that both methods need the same name for the property to work. If you define the setter with a different name like this it won't work: @x.setter def x_setter(self, value): ... And one more thing that is not completely easy to spot at first, is the order: The getter must be defined...
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How can I get the client's IP address in ASP.NET MVC?

....Current.Request.UserHostAddress; .. } } } BUT, if the request has been passed on by one, or more, proxy servers then the IP address returned by HttpRequest.UserHostAddress property will be the IP address of the last proxy server that relayed the request. Proxy servers MA...