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CSS /JS to prevent dragging of ghost image?

... Doesn't work in FF in combination with -moz-user-select: none. Possible solution: Add pointer-events: none. – Cedric Reichenbach Apr 5 '14 at 14:10 9 ...
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In Vim is there a way to delete without putting text in the register?

... Any ideas on doing this selectively on only empty lines? (If I dd on an empty line it goes into the blackhole, otherwise it dds like normal). – Jonathan Dumaine Mar 5 '13 at 23:28 ...
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How to fix .pch file missing on build?

...the bottom of the drop-down menu. At the top left of the Properties Pages, select All Configurations from the drop-down menu. Open the C/C++ tree and select Precompiled Headers Precompiled Header: Select Use (/Yu) Fill in the Precompiled Header File field. Standard is stdafx.h Click Okay If you do n...
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How do you list the primary key of a SQL Server table?

... SELECT Col.Column_Name from INFORMATION_SCHEMA.TABLE_CONSTRAINTS Tab, INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE Col WHERE Col.Constraint_Name = Tab.Constraint_Name AND Col.Table_Name = Tab.Table_Name ...
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How to create a project from existing source in Eclipse and then find it?

... Right-click in the package explorer and select New - Java Project Create the new project Game Open the new project in the package explorer - you should see only the source folder called src (there's nothing inside yet) Open a file Explorer (e.g. Windows Explorer) a...
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how can I Update top 100 records in sql server

...derived table to define the desired sort order as below. ;WITH CTE AS ( SELECT TOP 100 * FROM T1 ORDER BY F2 ) UPDATE CTE SET F1='foo' share | improve this answer | f...
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL

...and sequences too. Here's what I did: Tables: for tbl in `psql -qAt -c "select tablename from pg_tables where schemaname = 'public';" YOUR_DB` ; do psql -c "alter table \"$tbl\" owner to NEW_OWNER" YOUR_DB ; done Sequences: for tbl in `psql -qAt -c "select sequence_name from information_schem...
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SQL Server: Difference between PARTITION BY and GROUP BY

...y're used in different places. group by modifies the entire query, like: select customerId, count(*) as orderCount from Orders group by customerId But partition by just works on a window function, like row_number: select row_number() over (partition by customerId order by orderId) as OrderN...
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How dangerous is it to compare floating point values?

... [The 'right answer' glosses over selecting K. Selecting K ends up being just as ad-hoc as selecting VISIBLE_SHIFT but selecting K is less obvious because unlike VISIBLE_SHIFT it is not grounded on any display property. Thus pick your poison - select K or s...
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How do you scroll up/down on the Linux console?

I recognize that Up / Down will give you the command history. But, how do you look at past output by scrolling up and down? ...