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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
So if I have to choose between a hash table or a prefix tree what are the discriminating factors that would lead me to choose one over the other. From my own naive point of view it seems as though using a trie has some extra overhead since it isn't stored as an array but that in terms of run time (a...
How can I disable the UITableView selection?
When you tap a row in a UITableView , the row is highlighted and selected. Is it possible to disable this so tapping a row does nothing?
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PHP function to make slug (URL string)
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sanitize is a strange, forgettable function name to generate a slug.
– rybo111
Jul 3 '15 at 13:52
add a comment
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SQL Server dynamic PIVOT query?
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Dynamic SQL PIVOT:
create table temp
(
date datetime,
category varchar(3),
amount money
)
insert into temp values ('1/1/2012', 'ABC', 1000.00)
insert into temp values ('2/1/2012', 'DEF', 500.00)
insert into temp values ('2/1/2012', 'GHI',...
MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
What is main difference between INSERT INTO table VALUES .. and INSERT INTO table SET ?
3 Answers
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In Visual Studio C++, what are the memory allocation representations?
...tually quite a bit of useful information added to debug allocations. This table is more complete:
http://www.nobugs.org/developer/win32/debug_crt_heap.html#table
Address Offset After HeapAlloc() After malloc() During free() After HeapFree() Comments
0x00320FD8 -40 0x01090009 0x01090009 ...
How to add a margin to a table row [duplicate]
I have a table containing many rows. Some of these rows are class="highlight" and signify a row that needs to be styled differently and highlighted. What I'm trying to do is add some extra spacing before and after these rows so they appear slightly separated from the other rows.
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How to turn IDENTITY_INSERT on and off using SQL Server 2008?
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Via SQL as per MSDN
SET IDENTITY_INSERT sometableWithIdentity ON
INSERT INTO sometableWithIdentity
(IdentityColumn, col2, col3, ...)
VALUES
(AnIdentityValue, col2value, col3value, ...)
SET IDENTITY_INSERT sometableWithIdentity OFF
The complete error messa...
How to delete duplicate rows in SQL Server?
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RN = ROW_NUMBER()OVER(PARTITION BY col1 ORDER BY col1)
FROM dbo.Table1
)
DELETE FROM CTE WHERE RN > 1
DEMO (result is different; I assume that it's due to a typo on your part)
COL1 COL2 COL3 COL4 COL5 COL6 COL7
john 1 1 1 1 1 1
sa...
How to filter SQL results in a has-many-through relation
Assuming I have the tables student , club , and student_club :
13 Answers
13
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