大约有 16,000 项符合查询结果（耗时：0.0236秒） [XML]
Converting a view to Bitmap without displaying it in Android?
...flate(layoutID, null);
//Do some stuff to the view, like add an ImageView, etc.
view.layout(0, 0, width, height);
Bitmap getViewBitmap(View view)
{
//Get the dimensions of the view so we can re-layout the view at its current size
//and create a bitmap of the same size
int width = view....
How does python numpy.where() work?
... operation on a numpy array returns a boolean array. (i.e. __gt__, __lt__, etc all return boolean arrays where the given condition is true).
E.g.
x = np.arange(9).reshape(3,3)
print x > 5
yields:
array([[False, False, False],
[False, False, False],
[ True, True, True]], dtyp...
Like Operator in Entity Framework?
...ose queries into operations using contains, indexof, startswith, endswith, etc. I was just hoping that there was a more general-purpose solution.
– brien
Jun 23 '09 at 14:50
2
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Remove all but numbers from NSString
...t decimal numbers including, for instance, Arabic-Indic digits (١٢٣٤٥ etc). Depending on your application, that could occasionally be a problem, but generally its either good or neutral, and a little shorter to type.
– Rob Napier
Jul 15 '09 at 14:03
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Replace values in list using Python [duplicate]
...anonymous (lambda) functions, and functions like map, zip, filter, reduce, etc.
– balpha
Oct 9 '09 at 12:56
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Command line CSV viewer? [closed]
...on (h,j,k,l, g(top), G(bottom), 12G goto line 12, m - mark,
' - goto mark, etc.)
Toggle persistent header row
Dynamically resize column widths and gap
Sort ascending or descending by any column. 'Natural' order sort for numeric values.
Full-text search, n and p to cycle between search results
'Ente...
Convert a list of characters into a string
...lasses - "iterable" is a protocol, not a class. You can filter, map, join, etc, using any iterable.
– rosuav
Aug 18 '16 at 1:45
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How to use DISTINCT and ORDER BY in same SELECT statement?
... The brackets are for escaping keywords, such as Order, event, etc. so if you have (for example) a column in your table called Event you can write [Event] instead of Event to stop SQL throwing a parse error.
– Ben Maxfield
Oct 24 '16 at 21:26
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Reminder - \r\n or \n\r?
... HTTP protocol states you must use \r\n as the line terminator for headers etc, regardless of platform.
– Matti Virkkunen
Jun 30 '11 at 19:28
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django template display item value or empty string
...e string if the variable evaluates to False, ie empty strings, empty lists etc
{{ item.somefield|default_if_none:"" }}
{{ item.somefield|default:"" }}
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