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What is the best way to do a substring in a batch file?
...however: Substrings are done using the :~start,length notation:
%var:~10,5%
will extract 5 characters from position 10 in the environment variable %var%.
NOTE: The index of the strings is zero based, so the first character is at position 0, the second at 1, etc.
To get substrings of argument v...
Read-only and non-computed variable properties in Swift
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357
Simply prefix the property declaration with private(set), like so:
public private(set) var hou...
What is database pooling?
... | \------/
(4) | ^
| | (5)
| +-------+ (6) +-----------+
#===> | Close | ======> | RealClose |
+-------+ +-----------+
In it's simplest form, it's just a similar API call (1)...
MySQL DISTINCT on a GROUP_CONCAT()
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Daniel Vassallo
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answered Jun 21 '10 at 9:41
NaktibaldaNaktibalda
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Ruby on Rails form_for select field with class
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459
Try this way:
<%= f.select(:object_field, ['Item 1', ...], {}, { :class => 'my_style_cla...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
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425
It's declaring the string as nvarchar data type, rather than varchar
You may have seen Trans...
Escaping keyword-like column names in Postgres
...h_no_name
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answered Oct 4 '11 at 17:00
NPENPE
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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159
To get a position of an element in a vector knowing an iterator pointing to the element, simply...
Permanently adding a file path to sys.path in Python
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tuomassalo
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answered Sep 4 '12 at 6:20
BrenBarnBrenBarn
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