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Dropping Unique constraint from MySQL table
... out the name of the index. The name of the index is stored in the column called key_name in the results of that query.
Then you can use DROP INDEX:
DROP INDEX index_name ON tbl_name
or the ALTER TABLE syntax:
ALTER TABLE tbl_name DROP INDEX index_name
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What is the default access specifier in Java?
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It is known as 'package private' actually. Third-party web sites are not normative references. You should be citing the JLS only.
– Marquis of Lorne
Aug 22 '17 at 8:22
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Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
...is, then delete old table and rename the Temp Table back to original name. All fine to do as should be in transaction, however relationships will be broken and recreated so if not 100% then could do something unexpected.
– Justin King
Sep 28 '11 at 0:45
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How do I change the background color with JavaScript?
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For answering literally: the question was about changing the color of the background, not all of the background.
– Wolf
Jul 23 '15 at 11:31
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Get the previous month's first and last day dates in c#
...month.AddMonths(-1);
var last = month.AddDays(-1);
In-line them if you really need one or two lines.
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How to understand Locality Sensitive Hashing?
...commend the below slide:
http://www.cs.jhu.edu/%7Evandurme/papers/VanDurmeLallACL10-slides.pdf .
The example in the slide helps me a lot in understanding the hashing for cosine similarity.
I borrow two slides from Benjamin Van Durme & Ashwin Lall, ACL2010 and try to explain the intuitions of LS...
How do I comment out a block of tags in XML?
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@coderob Actually, even -- is not allowed within XML comments. So you might have to remove the entire -->
– 0fnt
Sep 30 '14 at 13:21
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There is already an open DataReader associated with this Command which must be closed first
...en iterating over the results of some query.
This can be easily solved by allowing MARS in your connection string. Add MultipleActiveResultSets=true to the provider part of your connection string (where Data Source, Initial Catalog, etc. are specified).
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Duplicate keys in .NET dictionaries?
Are there any dictionary classes in the .NET base class library which allow duplicate keys to be used? The only solution I've found is to create, for example, a class like:
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Android - startActivityForResult immediately triggering onActivityResult
I am launching activities from the main activity in my app using the call startActivityForResult(intent, ACTIVITY_TYPE) , and they are all working but one.
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