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How can I use getSystemService in a non-activity class (LocationManager)?

...ct of fyl in onCreate function like this: package com.atClass.lmt; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; import android.location.Location; public class lmt extends Activity { @Override public void onCreate(Bundle savedInstanceState) { ...
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In Python, how does one catch warnings as if they were exceptions?

... warnings. I want to be able to use the try except syntax to properly handle these warnings. Is there a way to do this? ...
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Can C++ code be valid in both C++03 and C++11 but do different things?

Is it possible for C++ code to conform to both the C++03 standard and the C++11 standard, but do different things depending on under which standard it is being compiled? ...
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Efficient evaluation of a function at every cell of a NumPy array

... You could just vectorize the function and then apply it directly to a Numpy array each time you need it: import numpy as np def f(x): return x * x + 3 * x - 2 if x > 0 else x * 5 + 8 f = np.vectorize(f) # or use a different name if you want to keep the...
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'

... Ok, so the answer was derived from some other posts about this problem and it is: If your ViewData contains a SelectList with the same name as your DropDownList i.e. "submarket_0", the Html helper will automatically populate your DropDownList with that data if you don't specify the 2nd paramete...
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Difference between applicationContext.xml and spring-servlet.xml in Spring Framework

...ise conflict in the same context. As an example you may have ReST services and standard views, you may then have different view resolvers or security concerns for the services as to the views. – Brett Ryan Apr 3 '13 at 17:19 ...
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Detect Safari browser

How to detect Safari browser using JavaScript? I have tried code below and it detects not only Safari but also Chrome browser. ...
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Most efficient way to create a zero filled JavaScript array?

...ay(len).fill(0); Not sure if it's fast, but I like it because it's short and self-describing. It's still not in IE (check compatibility), but there's a polyfill available. share | improve this an...
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How do I remove an item from a stl vector with a certain value?

I was looking at the API documentation for stl vector, and noticed there was no method on the vector class that allowed the removal of an element with a certain value. This seems like a common operation, and it seems odd that there's no built in way to do this. ...
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Compare two DataFrames and output their differences side-by-side

...rue Comment True dtype: bool Here the first entry is the index and the second the columns which has been changed. In [27]: difference_locations = np.where(df1 != df2) In [28]: changed_from = df1.values[difference_locations] In [29]: changed_to = df2.values[difference_locations] In [3...