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Can't connect Nexus 4 to adb: unauthorized
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Try to check and uncheck the USB Debugging option in the device. (if not working, try to unplug/plug the USB)
At some point, the device should show up a messagebox to ask you if you authorize the computer. After you click yes, the device is then authorized and the connection is hooked.
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React.js: Identifying different inputs with one onChange handler
... was trying to do this initially, but setState({e.target.name... does not work—it's a syntax error. You have to make a temp object with obj[e.target.name] and setState to that. This sort of works, but there seems to be some kind of delay in the state object updating.
– T3db...
How do I improve ASP.NET MVC application performance?
How do you improve your ASP.NET MVC application performance?
19 Answers
19
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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...UPDATE: This question was the subject of my blog on May 12th 2011. Thanks for the great question!
Suppose you have an interface as you describe, and a hundred classes that implement it. Then you decide to make one of the parameters of one of the interface's methods optional. Are you suggesting that...
C# 4.0 optional out/ref arguments
Does C# 4.0 allow optional out or ref arguments?
9 Answers
9
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Count the number of commits on a Git branch
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To count the commits for the branch you are on:
git rev-list --count HEAD
for a branch
git rev-list --count <branch-name>
If you want to count the commits on a branch that are made since you created the branch
git rev-list --count HEA...
SHA512 vs. Blowfish and Bcrypt [closed]
I'm looking at hashing algorithms, but couldn't find an answer.
6 Answers
6
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How to automatically reload a page after a given period of inactivity
...utomatically reload a webpage, if there have been no activity on the page for a given period of time?
14 Answers
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getActivity() returns null in Fragment function
... the transaction, i.e. it doesn't happen straightaway but is scheduled as work on the main thread the next time the main thread is ready.
I'd suggest adding an
onAttach(Activity activity)
method to your Fragment and putting a break point on it and seeing when it is called relative to your call...
ASP.NET MVC Relative Paths
In my applications, I often have to use relative paths. For example, when I reference JQuery, I usually do so like this:
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