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Assigning default values to shell variables with a single command in bash

... answered Jan 6 '10 at 14:36 Andrew McGregorAndrew McGregor 21.9k22 gold badges2525 silver badges2828 bronze badges ...
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Xcode 4 - “Archive” is greyed out?

... You have to select the device in the schemes menu in the top left where you used to select between simulator/device. It won’t let you archive a build for the simulator. Or you may find that if the iOS device is already selected the ar...
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Is it possible to have a multi-line comments in R? [duplicate]

... You can, if you want, use standalone strings for multi-line comments — I've always thought that prettier than if (FALSE) { } blocks. The string will get evaluated and then discarded, so as long as it's not the last line in a function nothing will happ...
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SQL Server: Is it possible to insert into two tables at the same time?

...LARE @DataID int; INSERT INTO DataTable (Column1 ...) VALUES (....); SELECT @DataID = scope_identity(); INSERT INTO LinkTable VALUES (@ObjectID, @DataID); COMMIT The good news is that the above code is also guaranteed to be atomic, and can be sent to the server from a client application w...
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Delete branches in Bitbucket

... in Bitbucket go to branches in left hand side menu. Select your branch you want to delete. Go to action column, click on three dots (...) and select delete. share | improve t...
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How to flatten nested objects with linq expression

... myBooks.SelectMany(b => b.Chapters .SelectMany(c => c.Pages .Select(p => b.Name + ", " + c.Name + ", " + p.Name))); share | ...
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Replace Default Null Values Returned From Left Outer Join

... for left outer join. Is there a way to replace the default values in the select statement? I have a workaround in that I can select into a table variable but it feels a little dirty. ...
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How do you debug MySQL stored procedures?

...E debug_msg(enabled INTEGER, msg VARCHAR(255)) BEGIN IF enabled THEN select concat('** ', msg) AS '** DEBUG:'; END IF; END $$ CREATE PROCEDURE test_procedure(arg1 INTEGER, arg2 INTEGER) BEGIN SET @enabled = TRUE; call debug_msg(@enabled, 'my first debug message'); call debug_msg(@ena...
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How can I selectively escape percent (%) in Python strings?

... >>> test = "have it break." >>> selectiveEscape = "Print percent %% in sentence and not %s" % test >>> print selectiveEscape Print percent % in sentence and not have it break. ...
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How to uninstall Jenkins?

...an't find any hint anywhere. So how one is supposed to do that, in general and specifically on Mac? 8 Answers ...