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Strings in a DataFrame, but dtype is object

Why does Pandas tell me that I have objects, although every item in the selected column is a string — even after explicit conversion. ...
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Batch File; List files in directory, only filenames?

This is probably a very simple question, but I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names an...
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Sending HTTP POST Request In Java

...); params.add(new BasicNameValuePair("param-2", "Hello!")); httppost.setEntity(new UrlEncodedFormEntity(params, "UTF-8")); //Execute and get the response. HttpResponse response = httpclient.execute(httppost); HttpEntity entity = response.getEntity(); if (entity != null) { try (InputStream inst...
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You asked me to pull without telling me which branch you want to merge with

... It says bucket-4 pushes to bucket-4 just because the default when pushing a branch is to push it to one with a matching name on the remote. (Note that this is still the default, even if the local branch is tracking a remote-...
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What is the difference between angular-route and angular-ui-router?

... ui-router is a 3rd-party module and is very powerful. It supports everything the normal ngRoute can do as well as many extra functions. Here are some common reason ui-router is chosen over ngRoute: ui-router allows for nested views and multiple named views. This is very usef...
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Simplest two-way encryption using PHP

... Edited: You should really be using openssl_encrypt() & openssl_decrypt() As Scott says, Mcrypt is not a good idea as it has not been updated since 2007. There is even an RFC to remove Mcrypt from PHP - https://wiki.php.n...
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Pickle incompatibility of numpy arrays between Python 2 and 3

... This seems like some sort of incompatibility. It's trying to load a "binstring" object, which is assumed to be ASCII, while in this case it is binary data. If this is a bug in the Python 3 unpickler, or a "misuse" of the pickler by numpy, I don't know. Here is som...
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NodeJS / Express: what is “app.use”?

... The app object is instantiated on creation of the Express server. It has a middleware stack that can be customized in app.configure()(this is now deprecated in version 4.x). To setup your middleware, you can invoke app.use(<specific_middleware_layer_here>) for every middleware layer...
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Padding between ActionBar's home icon and title

...anybody know how to set padding between the ActionBar's home icon and the title? 21 Answers ...
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GlobalConfiguration.Configure() not present after Web API 2 and .NET 4.5.1 migration

... It needs the system.web.http.webhost which is part of this package. I fixed this by installing the following package: PM> Install-Package Microsoft.AspNet.WebApi.WebHost or search for it in nuget https://www.nuget.org...