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Why are these numbers not equal?
...umbers can be represented exactly in IEEE floating point arithmetic (the standard that almost all computers use to represent decimal numbers and do math with them), you will not always get what you expected. This is especially true because some values which are simple, finite decimals (such as 0.1 a...
How to get Spinner value?
In Android, I am trying to get the selected Spinner value with a listener.
7 Answers
7...
To draw an Underline below the TextView in Android
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Love the 3rd approach. Short, simple and concise and adds just one extra line of code to my program.
– Matt
Feb 15 '13 at 15:20
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How to get a ListBox ItemTemplate to stretch horizontally the full width of the ListBox?
...sn't work in Silverlight for some reason. Gabriel's solution on the other hand does
– TimothyP
May 23 '11 at 8:55
6
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C# Java HashMap equivalent
...ou should be aware of:
Adding/Getting items
Java's HashMap has the put and get methods for setting/getting items
myMap.put(key, value)
MyObject value = myMap.get(key)
C#'s Dictionary uses [] indexing for setting/getting items
myDictionary[key] = value
MyObject value = myDictionary[key]
nu...
How do you log all events fired by an element in jQuery?
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Odd how you and Shawn both misspelled function, and in the same way :).
– Daniel T.
Sep 16 '11 at 2:44
1
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Git: Ignore tracked files
...I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add.
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RuntimeWarning: invalid value encountered in divide
...is trying to "divide by zero" or "divide by NaN". If you are aware of that and don't want it to bother you, then you can try:
import numpy as np
np.seterr(divide='ignore', invalid='ignore')
For more details see:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.seterr.html
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How to programmatically close a JFrame
...tem.exit(...) will do exactly what you want in a very abrupt, brute-force, and possibly problematic fashion.
If by Alt-F4 or X you mean hide the window, then frame.setVisible(false) is how you "close" the window. The window will continue to consume resources/memory but can be made visible again ver...
Using Mockito's generic “any()” method
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Since Java 8 you can use the argument-less any method and the type argument will get inferred by the compiler:
verify(bar).doStuff(any());
Explanation
The new thing in Java 8 is that the target type of an expression will be used to infer type parameters of its sub-expressi...