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Why no ICloneable?

... ICloneable is considered a bad API now, since it does not specify whether the result is a deep or a shallow copy. I think this is why they do not improve this interface. You can probably do a typed cloning extension method, but I think it would require a diff...
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How to work with Git branches and Rails migrations

... @pisaruk I know you answered this six years ago, but reading I'm curious what an example of a non-reversible migration would be. I'm having a hard time imagining a situation. I guess the simplest would be a dropped column containing a ...
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K

...as df.drop(df[df.score < 50].index, inplace=True). Nevertheless didn't know the "index" trick. Helped me a lot – Quickbeam2k1 Jun 8 '16 at 10:59 14 ...
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What does Serializable mean?

... Thank you. I think I got it now. – Sunburst275 Mar 20 at 14:54 add a comment  |  ...
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Send message to specific client with socket.io and node.js

I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this: ...
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Android emulator freezing OS X v10.9 (Mavericks) with HAXM

I just updated to OS X v10.9 (Mavericks), and now whenever I start up any of my emulators, as soon as the emulator starts up, my entire computer freezes with a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting...
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How can I remove an SSH key?

...p. If necessary you can also open seahorse and delete the keys from there. Now you should be able to do git push without a problem. Another workaround: What you really want to do is to turn off gpg-keyring-daemon altogether. Go to System --> Preferences --> Startup Applications, and unselec...
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Check if two lists are equal [duplicate]

... this does not apply for all cases, List A {a,a} and list B contains {b,a} now ListB.All(listA.contains) and LIstA.All(listB.contains) will give different results, since both have same count, we will get true in one of them even though both are different, it wont work if a list has multiple entries ...
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How do I unbind “hover” in jQuery?

...ing you to expressly remove each of the literal event names. Using $.off() now allows you to drop both mouse events using the same shorthand. Edit 2016: Still a popular question so it's worth drawing attention to @Dennis98's point in the comments below that in jQuery 1.9+, the "hover" event was de...
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Mercurial: Can I rename a branch?

We now have a "stiging" branch, where "staging" seems to be a far better semantic fit. What's a good strategy for handling this? ...