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How do I drop a foreign key constraint only if it exists in sql server?
...you need to put brackets around the names like this [dbo].[FK_dbo.MyTable_Etc]
– David Sopko
Nov 19 '15 at 17:02
In M...
Python: List vs Dict for look up table
...ible attribute (like the value of the first digit, then the second, third, etc., for as long as you need to get optimal set size).
– Nisan.H
Sep 21 '12 at 17:51
3
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Unioning two tables with different number of columns
...mns. For null columns, I had to use: NULL AS col_name1, NULL AS col_name2, etc
– Scott R
Dec 12 '19 at 15:24
1
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How to display length of filtered ng-repeat data
...c filter by just suffixing it with "Filter", e.g.: dateFilter, jsonFilter, etc. If you are using your own custom filter, just use that one instead of the generic filterFilter.
– Josh David Miller
Mar 9 '13 at 22:16
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How to convert Nonetype to int or string?
... uses of None where an integer is expected.
– Glen Fletcher
Apr 29 '15 at 6:21
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On showing dialog i get “Can not perform this action after onSaveInstanceState”
... start new thread and hence all the lifecycle code i.e. onStart, onResume, etc. called before code runOnUiThread ever run. That mean the state already restore before runOnUiThread called.
– Pongpat
May 6 '15 at 14:48
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Inserting HTML elements with JavaScript
...can use native DOM methods for insertion such as insertBefore, appendChild etc.
You have access to the actual DOM nodes before they're inserted; you can access the fragment's childNodes object.
Using document fragments is very quick; faster than creating elements outside of the DOM and in certain si...
How to force garbage collection in Java?
...er of objects declared are always strictly linear (accounting for padding, etc.).
– Jim Pivarski
Jul 9 '15 at 19:49
I ...
Database development mistakes made by application developers [closed]
...es to deal with problems that are trivial in langues like Java, C#, Delphi etc.
This lack of understanding manifests itself in a few ways.
Inappropriately imposing too much procedural or imperative logic on the databse.
Inappropriate or excessive use of cursors. Especially when a single query wou...
What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?
... generated in the current scope (i.e. stored procedure, trigger, function, etc).
IDENT_CURRENT(): returns the last identity value for a specific table. Don't use this to get the identity value from an INSERT, it's subject to race conditions (i.e. multiple connections inserting rows on the same table...