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Is System.nanoTime() completely useless?

...cific counter. Now consider the following case I use to measure time of a call: 15 Answers ...
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Prepend a level to a pandas MultiIndex

... This is especially nice for adding a level to the columns by adding axis=1, since the df.columns doesn't have the "set_index" method like the index, which always bugs me. – Rutger Kassies Feb 10 '17 a...
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“Debug certificate expired” error in Eclipse Android plugins

... Upon installation, the Android SDK generates a debug signing certificate for you in a keystore called debug.keystore. The Eclipse plug-in uses this certificate to sign each application build that is generated. Unfortunately a debug ...
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How to easily resize/optimize an image size with iOS?

...its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance. 18 Answers ...
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Does a view exist in ASP.NET MVC?

... aside: one of our engineers (since moved on) built a custom view engine (called MultiTenantViewEngine, so you get a sense of its purpose) that implements FindView to throw a HttpException (404) if it can't find the given view. Is this good practice? I have no idea. But wouldn't be surprised if t...
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How do I create 7-Zip archives with .NET?

... If you can guarantee the 7-zip app will be installed (and in the path) on all target machines, you can offload by calling the command line app 7z. Not the most elegant solution but it is the least work. ...
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Remove specific commit

...hanged line 2" 1 files changed, 1 insertions(+), 1 deletions(-) Then it all works as expected. The second answer was very interesting. There is a feature which has not yet been officially released (though it is available in Git v1.7.2-rc2) called Revert Strategy. You can invoke git like this: ...
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The preferred way of creating a new element with jQuery

... I personally think that it's more important for the code to be readable and editable than performant. Whichever one you find easier to look at and it should be the one you choose for above factors. You can write it as: $('#box').ap...
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Why do people say that Ruby is slow? [closed]

I like Ruby on Rails and I use it for all my web development projects. A few years ago there was a lot of talk about Rails being a memory hog and about how it didn't scale very well but these suggestions were put to bed by Gregg Pollack here. ...
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Converting newline formatting from Mac to Windows

... OSX uses older version of sed. I use Homebrew for OSX, and installed gnu-sed. You use with the "gsed" command instead of "sed". That works. – John Nov 11 '13 at 23:01 ...