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What is the most compatible way to install python modules on a Mac?

...o for MacPorts be aware that multiple versions of the same package are not selected anymore like the old Debian style with an extra python_select package (it is still there for compatibility). Now you have the select command to choose which Python version will be used (you can even select the Apple ...
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Number of rows affected by an UPDATE in PL/SQL

... block, this can be achieved. ... If anyone has a solution to use it in a SELECT Command, I would be interested. share | improve this answer | follow | ...
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Which method performs better: .Any() vs .Count() > 0?

...re generated SQLs. Beauties as you can see ;) ANY: exec sp_executesql N'SELECT TOP (1) [Project2].[ContactId] AS [ContactId], [Project2].[CompanyId] AS [CompanyId], [Project2].[ContactName] AS [ContactName], [Project2].[FullName] AS [FullName], [Project2].[ContactStatusId] AS [ContactStatusI...
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What is the syntax for an inner join in LINQ to SQL?

...ke: from t1 in db.Table1 join t2 in db.Table2 on t1.field equals t2.field select new { t1.field2, t2.field3} It would be nice to have sensible names and fields for your tables for a better example. :) Update I think for your query this might be more appropriate: var dealercontacts = from conta...
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How do I list all tables in a schema in Oracle SQL?

... schema, you need to have one or more of the following system privileges: SELECT ANY DICTIONARY (SELECT | INSERT | UPDATE | DELETE) ANY TABLE or the big-hammer, the DBA role. With any of those, you can select: SELECT DISTINCT OWNER, OBJECT_NAME FROM DBA_OBJECTS WHERE OBJECT_TYPE = 'TABLE' ...
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The SQL OVER() clause - when and why is it useful?

...ated values and then join it back to the original rowset, i.e. like this: SELECT orig.[Partition], orig.Value, orig.Value * 100.0 / agg.TotalValue AS ValuePercent FROM OriginalRowset orig INNER JOIN ( SELECT [Partition], SUM(Value) AS TotalValue FROM OriginalRowset G...
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How to compare UIColors?

...tance #FFF with [UIColor whiteColor]). I wrote this UIColor extension that converts both colors to the same color space before comparing them: - (BOOL)isEqualToColor:(UIColor *)otherColor { CGColorSpaceRef colorSpaceRGB = CGColorSpaceCreateDeviceRGB(); UIColor *(^convertColorToRGBSpace)(UI...
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Type-juggling and (strict) greater/lesser-than comparisons in PHP

... Note: The above example throws a "Object of class stdClass could not be converted to double" notice. You can find a few nice graphs for PHP's comparison operators on PHP Sadness 52 - Comparison operators. As a last note, I want to point out that there are two equalities that PHP does guarantee...
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Can I concatenate multiple MySQL rows into one field?

... You can use GROUP_CONCAT: SELECT person_id, GROUP_CONCAT(hobbies SEPARATOR ', ') FROM peoples_hobbies GROUP BY person_id; As Ludwig stated in his comment, you can add the DISTINCT operator to avoid duplicates: SELECT person_id, GROUP_CONCAT(DISTINCT ...
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Case insensitive 'in'

... it is already lowercase, lower() would do nothing to 'ß'; casefold() converts it to "ss". share | improve this answer | follow | ...