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How do I catch a numpy warning like it's an exception (not just for testing)?

I have to make a Lagrange polynomial in Python for a project I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes i...
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Scala how can I count the number of occurrences in a list

...anges") s.groupBy(identity).mapValues(_.size) giving a Map with a count for each item in the original sequence: Map(banana -> 1, oranges -> 3, apple -> 3) The question asks how to find the count of a specific item. With this approach, the solution would require mapping the desired ele...
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Rename specific column(s) in pandas

... a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ? 5 Answers ...
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ASP.NET MVC: No parameterless constructor defined for this object

...rameterless constructor. The call stack was figuring a method responsible for creating a new instance of a model. System.Web.Mvc.DefaultModelBinder.CreateModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Type modelType) Here is a sample: public class MyControll...
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Concat scripts in order with Gulp

Say, for example, you are building a project on Backbone or whatever and you need to load scripts in a certain order, e.g. underscore.js needs to be loaded before backbone.js . ...
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Pure JavaScript Send POST Data Without a Form

Is there a way to send data using the POST method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)? ...
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Displaying better error message than “No JSON object could be decoded”

... descriptive errors in many cases where the built-in json module is vague. For instance, for the case of having a comma after the last item in a list: json.loads('[1,2,]') .... ValueError: No JSON object could be decoded which is not very descriptive. The same operation with simplejson: simplejs...
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Web API Put Request generates an Http 405 Method Not Allowed error

...ced this inside <system.webServer>. <modules runAllManagedModulesForAllRequests="true"> <remove name="WebDAVModule"/> <!-- add this --> </modules> Additionally, it is often required to add the following to web.config in the handlers. Thanks to Babak <handlers...
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Android: Temporarily disable orientation changes in an Activity

...ced that if I rotate my phone it restarts the activity which is REALLY bad for the process that was running, and I get a Force Close. ...
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Numpy - add row to array

...ulation you work against the good work Numpy does in pre-allocating memory for your existing array A. Clearly for small problem like in this answer this isn't a problem, but it can be more troubling for large data. – dtlussier Dec 15 '11 at 16:59 ...