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Git, rewrite previous commit usernames and emails

...o a project on Github, however I realized I hadn't set up the proper email and committer full name on the computer I'm currently using to make my commits and therefore the users avatar and email address are not there. ...
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Replacing a fragment with another fragment inside activity group

I have a fragment inside a group activity and I want to replace it with another fragment: 12 Answers ...
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What's the best way to learn LISP? [closed]

I have been programming in Python, PHP, Java and C for a couple or years now, and I just finished reading Hackers and Painters, so I would love to give LISP a try! ...
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mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }

...l know that you're allowing reads from a secondary. This is to protect you and your applications from performing eventually consistent reads by accident. You can do this in the shell with: rs.slaveOk() After that you can query normally from secondaries. A note about "eventual consistency": unde...
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Scatterplot with too many points

...+ geom_point(alpha = 0.3) Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning: ggplot(df,aes(x=x,y=y)) + stat_binhex() And there is also regular old rectangular binning (image omitted), which is more like your tr...
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Apply style ONLY on IE

...g on the environment, conditional comments have been officially deprecated and removed in IE10+. Original The simplest way is probably to use an Internet Explorer conditional comment in your HTML: <!--[if IE]> <style> .actual-form table { width: 100%; } </style&g...
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Is there a library function for Root mean square error (RMSE) in python?

...lso known as MSE, RMD, or RMS. What problem does it solve? If you understand RMSE: (Root mean squared error), MSE: (Mean Squared Error) RMD (Root mean squared deviation) and RMS: (Root Mean Squared), then asking for a library to calculate this for you is unnecessary over-engineering. All these me...
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Entity Framework Migrations renaming tables and columns

I renamed a a couple entities and their navigation properties and generated a new Migration in EF 5. As is usual with renames in EF migrations, by default it was going to drop objects and recreate them. That isn't what I wanted so I pretty much had to build the migration file from scratch. ...
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Check whether an array is a subset of another

...ec 2 '08 at 4:12 Cameron MacFarlandCameron MacFarland 63.2k1919 gold badges9898 silver badges128128 bronze badges ...
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Setting DEBUG = False causes 500 Error

...UG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True . ...