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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

...s changes the time to 8.5 seconds. factorCount' is constantly applying two extra arguments that never change (number, sqrt). A worker/wrapper transformation gives us: $ time ./so 842161320 real 0m7.954s user 0m7.944s sys 0m0.004s That's right, 7.95 seconds. Consistently...
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SQL query return data from multiple tables

...---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------+-----+---------+----------------+ | id | int(3) | NO | PRI | NULL | auto_increment | | color | varchar(15) | YES | | NULL | | | paint | varcha...
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ASP.NET MVC - TempData - Good or bad practice

... Why do that extra work when you can post directly back to Products/New? What value does Products/Create add? – mpen Dec 10 '11 at 21:07 ...
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bash: shortest way to get n-th column of output

... But then I need to type an extra space. That's too exhausting :) – StackedCrooked Jun 30 '18 at 9:32 ...
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Service Reference Error: Failed to generate code for the service reference

...s parameters inside it are of type System.Guid, they will be translated to strings in the generated client if the reuse types option is disabled. An alternative that I prefer to disabling reusing types is to add the service reference from Class Library project specifically created for that purpose....
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Starting python debugger automatically on error

...tically start pdb when an error is encountered? I am not against having an extra import statement at the top of the file, nor a few extra lines of code. ...
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Setting an environment variable before a command in Bash is not working for the second command in a

... process (like the accepted answer) nor will it execute the commands in an extra subshell (like the other answer). As we get a few regular views, it's probably good to give an alternative to eval that will please everyone, and has all the benefits (and perhaps even more!) of this quick eval “tric...
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How to decide font color in white or black depending on background color?

...Color, darkColor) { var color = (bgColor.charAt(0) === '#') ? bgColor.substring(1, 7) : bgColor; var r = parseInt(color.substring(0, 2), 16); // hexToR var g = parseInt(color.substring(2, 4), 16); // hexToG var b = parseInt(color.substring(4, 6), 16); // hexToB return (((r * 0.299) + (g * ...
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How do you clear the SQL Server transaction log?

...he shrink options in maintenance plans, they're awful). DECLARE @path NVARCHAR(255) = N'\\backup_share\log\testdb_' + CONVERT(CHAR(8), GETDATE(), 112) + '_' + REPLACE(CONVERT(CHAR(8), GETDATE(), 108),':','') + '.trn'; BACKUP LOG foo TO DISK = @path WITH INIT, COMPRESSION; Note that \\back...
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How do you loop in a Windows batch file?

... (filenameset) DO command or FOR /F ["options"] %%parameter IN ("Text string to process") DO command syntax-FOR-Command Results FOR /F ["options"] %%parameter IN ('command to process') DO command It Take a set of data Make a FOR Parameter %%G equal to some part of that data Perform a co...