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MySQL: Sort GROUP_CONCAT values
... see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
share
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How do I compare strings in Java?
...contentEquals() compares the content of the String with the content of any CharSequence (available since Java 1.5). Saves you from having to turn your StringBuffer, etc into a String before doing the equality comparison, but leaves the null checking to you.
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push_back vs emplace_back
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vec.emplace_back("Hello") will work, since the const char* argument will be forwarded to the string constructor. This is the whole point of emplace_back.
– Alexandre C.
Aug 9 '11 at 20:28
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Notepad++ Multi editing
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Yes: simply press and hold the Alt key, click and drag to select the lines whose columns you wish to edit, and begin typing.
You can also go to Settings > Preferences..., and in the Editing tab, turn on multi-editing, to enable selection of multiple separate regions or columns o...
How do I use regex in a SQLite query?
...ite manager. You need to invoke it slightly differently though, like this: SELECT * FROM table WHERE column regexp("myregexp")
– Tristan
May 30 '14 at 17:16
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Are string.Equals() and == operator really same? [duplicate]
... most of the time. These methods determine whether two string are the same character-for-character, which is rarely the correct behavior. It is better to use string.Equals(string, StringComparison), which allows you to specify a particular type of comparison. By using the correct comparison, you can...
Update Row if it Exists Else Insert Logic with Entity Framework
... = from data in context.Employee
orderby data.name
select data;
foreach (Employee detail
Error “can't use subversion command line client : svn” when opening android project checked out from
... the the TortoiseSVN Installer. (It may still be in your Downloads folder)
Select the option to Modify.
Install Command line client tools on to the local harddrive.
Add C:\Program Files\TortoiseSVN\bin to your Path environment variable.
Restart IntelliJ.
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Use a list of values to select rows from a pandas dataframe [duplicate]
...andas.pydata.org/pandas-docs/stable/… for more details. A sort after the selection is needed.
– Wouter Overmeire
Aug 18 '14 at 15:16
1
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What is a regular expression which will match a valid domain name without a subdomain?
...specs, your specs are wrong. g.co is a valid domain name but g is only one character.
– sch
Apr 24 '12 at 22:23
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