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What happens if a Android Service is started multiple times?
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168
The Service will only run in one instance. However, everytime you start the service, the onSta...
How to use “not” in xpath?
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241
not() is a function in xpath (as opposed to an operator), so
//a[not(contains(@id, 'xx'))]
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Rails migration: t.references with alternative name?
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168
You can do this all in the initial migration/column definition (at least currently in Rails 5)...
What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
Using Microsoft Excel 2010, I noticed two kind of controls that can be inserted into a document: Form Controls and ActiveX Controls .
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How do I navigate in the results of Diff
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164
Next line : return
Next page : space bar
Previous page : w
Qui...
Injecting $state (ui-router) into $http interceptor causes circular dependency
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213
The Fix
Use the $injector service to get a reference to the $state service.
var interceptor =...
Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
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Yes, many.
Including, but not limited to:
non breaking space :   or  
narrow no-break space :   (no character reference available)
en space :   or  
em space :   or  
3-per-em space :   or  
4-per-em space :...
Python memory usage of numpy arrays
... numpy as np
>>> from sys import getsizeof
>>> a = [0] * 1024
>>> b = np.array(a)
>>> getsizeof(a)
8264
>>> b.nbytes
8192
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Test if string is a guid without throwing exceptions?
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How do I include a path to libraries in g++
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168
To specify a directory to search for (binary) libraries, you just use -L:
-L/data[...]/lib
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