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How to add items to a spinner in Android?
...
XML file:
<Spinner
android:id="@+id/Spinner01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
Java file:
public class SpinnerExample extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(save...
Find difference between timestamps in seconds in PostgreSQL
...
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
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How do I get jQuery to select elements with a . (period) in their ID?
...>
Renders to
<input type="text" name="Person.FirstName" id="Person_FirstName" />
For more information view the release notes, starting on page 14.
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NSDictionary - Need to check whether dictionary contains key-value pair or not
...ing app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSSingleObjectArrayI objectForKey:]: unrecognized selector sent to instance 0x60000133a1c0'
– Amr Angry
Jan 11 '19 at 16:20
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Set variable in jinja
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Nice shorthand for Multiple variable assignments
{% set label_cls, field_cls = "col-md-7", "col-md-3" %}
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How can I use a DLL file from Python?
...ed function call.
# HLLAPI
hllApiProto = ctypes.WINFUNCTYPE (
ctypes.c_int, # Return type.
ctypes.c_void_p, # Parameters 1 ...
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p) # ... thru 4.
hllApiParams = (1, "p1", 0), (1, "p2", 0), (1, "p3",0), (1, "p4",0),
# Actual...
How is this fibonacci-function memoized?
...ipWith op (n1:val1) (n2:val2) = (n1 + n2) : (zipWith op val1 val2)
zipWith _ _ _ = []
Test:
print $ take 100 fib
Output:
[1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,10946,17711,28657,46368,75025,121393,196418,317811,514229,832040,1346269,2178309,3524578,5702887,9227465,14...
How to write LaTeX in IPython Notebook?
...from IPython.display import display, Math, Latex
display(Math(r'F(k) = \int_{-\infty}^{\infty} f(x) e^{2\pi i k} dx'))
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How to resize a VirtualBox vmdk file
...he symlink path VBoxManage clonehd "~/path/to/symlink/packer-centos-6.5-x86_64-disk1.vmdk" "/media/k0pernikus/thatFatSlowDisk/cloned_packer-centos-6.5-x86_64-disk1.vdi" If you specfiy the real path, the command will crash due to VBoxManage: error: Cannot register the hard disk, as VBox thinks it's a...
Is there a HTML opposite to ?
...ipt" charset="utf-8">
$(document).ready(function() {
$.get('_test.html', function(html) {
$('p:first').after(html);
});
});
</script>
</head>
<body>
<p>This is content at the top of the page.</p>
<p>This is content at th...