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What special characters must be escaped in regular expressions?
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Which characters you must and which you mustn't escape indeed depends on the regex flavor you're working with.
For PCRE, and most other so-called Perl-compatible flavors, escape these outside character classes:
.^$*+?()[{\|
and these inside charac...
Importing from builtin library when module with same name exists
...pec.loader.exec_module(module)
So, you can load any .py file from a path and set the module name to be whatever you want. So just adjust the module_name to be whatever custom name you'd like the module to have upon importing.
To load a package instead of a single file, file_path should be the pat...
Reading CSV files using C#
I'm writing a simple import application and need to read a CSV file, show result in a DataGrid and show corrupted lines of the CSV file in another grid. For example, show the lines that are shorter than 5 values in another grid. I'm trying to do that like this:
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Using PUT method in HTML form
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XHTML 1.x forms only support GET and POST. GET and POST are the only allowed values for
the "method" attribute.
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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
What are some algorithms which we use daily that has O(1), O(n log n) and O(log n) complexities?
11 Answers
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Is there a regular expression to detect a valid regular expression?
...group start
(?:
(?:[^?+*{}()[\]\\|]+ # literals and ^, $
| \\. # escaped characters
| \[ (?: \^?\\. | \^[^\\] | [^\\^] ) # character classes
(?: [^\]\\]+ | \\. )* \]
| \( (?:\?[:=!]|\?<[=!]|\?>)? (?1)?? ...
What's the difference between “groups” and “captures” in .NET regular expressions?
I'm a little fuzzy on what the difference between a "group" and a "capture" are when it comes to .NET's regular expression language. Consider the following C# code:
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Search text in stored procedure in SQL Server
...t (within SProcs), instead use of "sys.procedures" worked for me. I understand that Microsoft recommends the use of information_schema, however apparently this is not working for many, hence Microsoft should look into this issue.
– Eddie Kumar
Sep 18 '17 at 11:...
How to differentiate single click event and double click event?
...k you're right, dblclick is definitively the way to go today. jQuery also handles this event: api.jquery.com/dblclick
– Adrien Schuler
Apr 23 '13 at 16:08
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How to Use slideDown (or show) function on a table row?
I'm trying to add a row to a table and have that row slide into view, however the slidedown function seems to be adding a display:block style to the table row which messes up the layout.
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