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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint

Below is the error message I receive in the debug area. It runs fine and nothing is wrong except that I receive this error. Would this prevent apple accepting the app? How do I fix it? ...
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Sql query to insert datetime in SQL Server

... edited Sep 7 at 11:19 Sandra Guilep Zouaoui Zandeh 3,18466 gold badges1616 silver badges4242 bronze badges answered Oct 18 '12 at 14:59 ...
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How to pretty-print a numpy.array without scientific notation and with given precision?

...printoptions to set the precision of the output: import numpy as np x=np.random.random(10) print(x) # [ 0.07837821 0.48002108 0.41274116 0.82993414 0.77610352 0.1023732 # 0.51303098 0.4617183 0.33487207 0.71162095] np.set_printoptions(precision=3) print(x) # [ 0.078 0.48 0.413 0.83 ...
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Difference between Destroy and Delete

... ActiveRecord::Persistence.delete Deletes the record in the database and freezes this instance to reflect that no changes should be made (since they can't be persisted). Returns the frozen instance. The row is simply removed with an SQL DELETE statement on the record's primary key, and no...
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How to compare two colors for similarity/difference

...etween 5 pre-defined colors which one is more similar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program. ...
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Go to particular revision

...repository of a certain project. Can I turn the files to the initial state and when I review the files go to revision 2, 3, 4 ... most recent? I'd like to have an overview of how the project was evolving. ...
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Disable all table constraints in Oracle

How can I disable all table constrains in Oracle with a single command? This can be either for a single table, a list of tables, or for all tables. ...
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Link vs compile vs controller

...lement it is attached to, extract the html fragment that it is attached to and create a template function. If you have used HandleBars, underscore templates or equivalent, its like compiling their templates to extract out a template function. To this template function you pass data and the return ...
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How do I find which program is using port 80 in Windows? [duplicate]

... Start menu → Accessories → right click on "Command prompt". In the menu, click "Run as Administrator" (on Windows XP you can just run it as usual), run netstat -anb, and then look through output for your program. BTW, Skype by default tries to use ports 80 and 443 for i...
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How to deal with page breaks when printing a large HTML table

... This also fails in WebKit browsers (eg. Safari and Chrome) – Michael Haren Mar 14 '12 at 19:51 5 ...