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Why is there no xrange function in Python3?
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Some performance measurements, using timeit instead of trying to do it manually with time.
First, Apple 2.7.2 64-bit:
In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0)
1 loops, best of 3: 1.05 ...
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...
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...
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,]')
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ValueError: No JSON object could be decoded
which is not very descriptive. The same operation with simplejson:
simplejs...
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...
How should I structure a Python package that contains Cython code
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I don't commit mycythonmodule.c to version control 'trunk' (or 'default' for Mercurial). When I make a release, I need to remember to do a python setup.py build_ext first, to ensure that mycythonmodule.c is present and up-to-date for the source code distribution. I also make a release branch, and ...
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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Make elasticsearch only return certain fields?
... still load the _source document and load fields from there. May impact performance if returned data is relatively small to the size of a whole document.
– Zaar Hai
Aug 18 '13 at 10:19
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Where and how is the _ViewStart.cshtml layout file linked?
...e, you can now add a file
called _ViewStart.cshtml (or _ViewStart.vbhtml for VB) underneath the
\Views folder of your project:
The _ViewStart file can be used to define common view code that you
want to execute at the start of each View’s rendering. For example,
we could write code w...
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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