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How SignalR works internally?

...connection. It gives you two programming models over that connection (hubs and persistent connections). SignalR has a concept of transports, each transport decides how data is sent/received and how it connects and disconnects. SignalR has a few built in transports: WebSockets Server Sent Events F...
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How to size an Android view based on its parent's dimensions

... layout. For example I have a RelativeLayout that fills the full screen, and I want a child view, say an ImageView , to take up the whole height, and 1/2 the width? ...
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How to increase IDE memory limit in IntelliJ IDEA on Mac?

...ll automatically create a copy of the .vmoptions file in the config folder and open a dialog to edit it. Older versions: IntelliJ IDEA 12 is a signed application, therefore changing options in Info.plist is no longer recommended, as the signature will not match and you will get issues depending ...
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Github “Updates were rejected because the remote contains work that you do not have locally.”

...added files to the directory, added them with add -A , committed changes, and when I try to push using git push <repo name> master I get: ...
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How to print a dictionary's key?

...You have the keys() method, which gives you a python list of all the keys, and you have the iteritems() method, which returns key-value pairs, so for key, value in mydic.iteritems() : print key, value Python 3 version: for key, value in mydic.items() : print (key, value) So you have a ...
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See :hover state in Chrome Developer Tools

... Now you can see both the pseudo-class rules and force them on elements. To see the rules like :hover in the Styles pane click the small :hov text in the top right. To force an element into :hover state, right click it and select :hover. Additional tips on the e...
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Is .NET Remoting really deprecated?

...at is. I haven't seen any official word that Remoting is being deprecated, and it seems to me there are certainly scenarios where Remoting makes more sense than WCF. None of the Remoting-related objects or methods have been deprecated, even in version 4.0 of the framework. It is also my understandin...
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What's the difference between JPA and Spring Data JPA?

I am a bit confused about the difference between Spring Data-JPA and JPA. I know about JPA that it is a specification for persisting the Java Objects to a relational database using popular ORM technology. ...
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Chrome Dev Tools: How to trace network for a link that opens a new tab?

...pens when I click on a link. The problem is that the link opens a new tab, and apparently the Dev Tools works per tab it was open for. "Preserve Log Upon Navigation" does not help. ...
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Instantiate and Present a viewController in Swift

I started taking a look of the new Swift on Xcode 6 , and I tried some demo projects and tutorials. Now I am stuck at: 1...