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How to programmatically set style attribute in a view
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Button b = new Button(this);
b.setBackgroundResource(R.drawable.selector_test);
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Why does HTML5 form-validation allow emails without a dot?
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As a sidenote one of the shortest working email addresses ( recordsetter.com/world-record/shortest-email-address/4327 ) is au@ua
– Kyborek
Oct 16 '18 at 7:09
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...adding the fragment with commitAllowingStateLoss doesn't play any part. My testing shows this to be true. It has no effect on this specific exception. What we need is a popBackStackImmediateAllowingStateLoss method.
– Synesso
Jan 9 '15 at 1:32
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Mockito - difference between doReturn() and when()
...ck my service layer objects in a Spring MVC application in which I want to test my Controller methods. However, as I have been reading on the specifics of Mockito, I have found that the methods doReturn(...).when(...) is equivalent to when(...).thenReturn(...) . So, my question is what is the poi...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
.../servlet/* instead. See also Servlet and path parameters like /xyz/{value}/test, how to map in web.xml?
@WebServlet works only on Servlet 3.0 or newer
In order to use @WebServlet, you only need to make sure that your web.xml file, if any (it's optional since Servlet 3.0), is declared conform Servl...
Plotting time in Python with Matplotlib
... using pyplot.plot (after parsing them from their string representation). (Tested with matplotlib versions 1.2.0 and 1.3.1.)
Example:
import datetime
import random
import matplotlib.pyplot as plt
# make up some data
x = [datetime.datetime.now() + datetime.timedelta(hours=i) for i in range(12)]
y ...
Find substring in the string in TWIG
...nd found this:
Containment Operator:
The in operator performs containment test.
It returns true if the left operand is contained in the right:
{# returns true #}
{{ 1 in [1, 2, 3] }}
{{ 'cd' in 'abcde' }}
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Using numpy to build an array of all combinations of two arrays
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itertools.combinations is in general the fastest way to get combinations from a Python container (if you do in fact want combinations, i.e., arrangements WITHOUT repetitions and independent of order; that's not what your code appears to be doing, but I can't tell wheth...
Reading an Excel file in PHP [closed]
...;read('excel_file.xls'); // reads and stores the excel file data
// Test to see the excel data stored in $sheets property
echo '<pre>';
var_export($excel->sheets);
echo '</pre>';
or
echo '<pre>';
print_r($excel->sheets);
echo '</pre>...
pandas three-way joining multiple dataframes on columns
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This should be the accepted answer. It's the fastest.
– R. Zhu
May 1 at 22:12
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