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How to drop a list of rows from Pandas dataframe?

...e the same strings for rows and columns. That's fine for those who really know their stuff already. Frustrating for those trying to learn. – gseattle Mar 19 '17 at 7:40 4 ...
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Configuring Git over SSH to login once

...gen or ssh-add. In my ~/.ssh/ directory I only have two files: config and known_hosts. It seems that ssh-add requires another file ~/.ssh/id_rsa. Should I create that file first using ssh-keygen as @Jefromi explained? – reprogrammer Oct 20 '09 at 17:22 ...
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Why doesn't RecyclerView have onItemClickListener()?

...x use cases. And as you say, your solution is what google expected of you. Now you have an adapter who can delegate onClick to an interface passed on the constructor, which is the correct pattern for both ListView and Recyclerview. public static class ViewHolder extends RecyclerView.ViewHolder impl...
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Detecting WPF Validation Errors

...The posted code did not work for me when using a ListBox. I rewrote it and now it works: public static bool IsValid(DependencyObject parent) { if (Validation.GetHasError(parent)) return false; // Validate all the bindings on the children for (int i = 0; i != VisualTreeHelper.Ge...
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How to access and test an internal (non-exports) function in a node.js module?

...ha. You can then run your mocha tests with make test at the command line. Now, you can conditionally export your function that isn't usually exported only when your mocha tests are running: function exported(i) { return notExported(i) + 1; } function notExported(i) { return i*2; } if (proc...
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What are the key differences between Meteor, Ember.js and Backbone.js? [closed]

Learning Ember.js / Backbone.js has been on my to-do list for a while. Now that Meteor is out, I am just wondering if anyone with experience of Meteor, Ember.js and Backbone.js can summarize the key differences and pros and cons of these three JavaScript frameworks for a person without any experie...
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Create a submodule repository from a folder and keep its git commit history

... It contains some web demos in a demos folder and one of the demo should now have it's own repository. I would like to create a separate repository for this demo application and make it a subpackage submodule from main repository without losing its commit history. ...
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Why C# implements methods as non-virtual by default?

...f" argument. From programmers?! It seems to me like the coder who didn't know enough (or have enough time) to design their library for inheritance and/or extensibility is the coder who's produced exactly the library I'm likely to have to fix or tweak - exactly the library where the ability to overr...
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How do I get the object if it exists, or None if it does not exist?

...u can do it this way: go = Content.objects.filter(name="baby").first() Now go variable could be either the object you want or None Ref: https://docs.djangoproject.com/en/1.8/ref/models/querysets/#django.db.models.query.QuerySet.first ...
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Bundler: Command not found

... Under uBuntu 11.04, the latest command path is now export PATH=$PATH:/var/lib/gems/1.8/bin – Antony Jul 16 '11 at 2:13 ...