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try/catch + using, right syntax
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edited Jan 4 '11 at 4:05
answered Jan 4 '11 at 3:58
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How to prevent ifelse() from turning Date objects into numeric objects
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# Date[1:5], format: "2010-12-31" "2011-01-02" "2011-01-03" "2011-01-04" "2011-01-05"
dplyr::if_else
From dplyr 0.5.0 release notes:
[if_else] have stricter semantics that ifelse(): the true and false arguments must be the same type. This gives a less surprising return type, and preserves S3...
Splitting a Java String by the pipe symbol using split(“|”)
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429
You need
test.split("\\|");
split uses regular expression and in regex | is a metacharacte...
C# Set collection?
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147
Try HashSet:
The HashSet(Of T) class provides high-performance set operations. A set is a...
Where can I download english dictionary database in a text format? [closed]
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4 Answers
4
Active
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How to modify existing, unpushed commit messages?
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16413
+150
Amendi...
Understanding Apache's access log
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%>s is the status code sent from the server to the client (200, 404 etc.)
%b is the size of the response to the client (in bytes)
Referer is the Referer header of the HTTP request (containing the URL of the page from which this request was initiated) if any is present, and "-" otherwise.
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Writing a Python list of lists to a csv file
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edited Jun 26 '19 at 12:45
bucky
32422 silver badges1414 bronze badges
answered Dec 26 '12 at 7:46
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Program does not contain a static 'Main' method suitable for an entry point
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435
Check the properties of App.xaml. Is the Build Action still ApplicationDefinition?
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Infinity symbol with HTML
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334
Use the HTML entity ∞ or ∞.
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