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not None test in Python [duplicate]
...for why the val != None is not recommended: If val can be either None or a more complex thing, like a numpy array, it's not entirely clear whether this intends to be an element-wise comparison (e.g: arr>0 will produce a list of indices at which elements of arr are positive), so if you expect val...
Why check both isset() and !empty()
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This is completely redundant. empty is more or less shorthand for !isset($foo) || !$foo, and !empty is analogous to isset($foo) && $foo. I.e. empty does the reverse thing of isset plus an additional check for the truthiness of a value.
Or in other words...
How to get the filename without the extension from a path in Python?
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Center image in div horizontally [duplicate]
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How to include layout inside layout?
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Edit: As in a comment rightly requested here some more information. Use the include tag
<include
android:layout_width="match_parent"
android:layout_height="wrap_content"
layout="@layout/yourlayout" />
to include the layout you want to reuse.
Check this link o...
Why do Java webapps use .do extension? Where did it come from?
....do
WARNING - The framework will not operate correctly if you define more
than one <servlet-mapping> element
for the controller servlet.
WARNING - If you are using the new module support since version 1.1, you
should be aware that only extension
mapping is supported.
And I...
Most common way of writing a HTML table with vertical headers?
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@Triztian - One more thing. The TFOOT should be directly below the THEAD (and before the TBODYs). Again, this is covered in section 11.2.3 of the HTML specification.
– Francois Deschenes
Jun 16 '11 at 7...
How can I use “:” as an AWK field separator?
...n here: the /1/ part is to tell awk to only process rows (or records to be more precise) that contain the number 1 right?
– rantsh
Mar 21 '13 at 19:13
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