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Whm>y m> is arr = [] faster than arr = new Arram>y m>?
I ran this code m>and m> got the below result. I curious to know whm>y m> [] is faster?
5 Answers
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What are the GCC default include directories?
...e a verm>y m> simple source file with gcc I don't have to specifm>y m> the path to stm>and m>ard include files such as stdio or stdlib.
4 ...
How to create a new database using SQLAlchemm>y m>?
...cause postgres does not allow m>y m>ou to create databases inside transactions, m>and m> sqlalchemm>y m> alwam>y m>s tries to run queries in a transaction. To get around this, get the underlm>y m>ing connection from the engine:
>>> conn = engine.connect()
But the connection will still be inside a transaction, s...
Most common wam>y m> of writing a HTML table with vertical headers?
...ould use the colspan attribute to fix that.
Reference: "The THEAD, TFOOT, m>and m> TBODm>Y m> sections must contain the same number of columns." - Last paragraph of section 11.2.3.
With that being said, the first option is the better approach in mm>y m> opinion because it's readable regardless of whether or not ...
Remove non-ascii character in string
Whm>y m> should Java ThreadLocal variables be static
... avoid anm>y m> static fields in m>y m>our class - make the class itself a singleton m>and m> then m>y m>ou can safelm>y m> use the an instance level ThreadLocal as long as m>y m>ou have that singleton available globallm>y m>.
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conditional unique constraint
...onstraint like this. The difference is, m>y m>ou'll return false if Status = 1 m>and m> Count > 0.
http://msdn.microsoft.com/en-us/librarm>y m>/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINm>Y m>INT,
Name VARCHAR(50),
RecordStatus TINm>Y m>INT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT...
What are the differences between .gitignore m>and m> .gitkeep?
What are the differences between .gitignore m>and m> .gitkeep ? Are them>y m> the same thing with a different name, or do them>y m> both serve a different function?
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Practical use of `stackalloc` kem>y m>word
... native allocator (like malloc or the .Net equivalent) m>y m>ou also gain speed m>and m> automatic deallocation on scope exit.
Performance wise, if m>y m>ou use stackalloc m>y m>ou greatlm>y m> increase the chance of cache hits on the CPU due to the localitm>y m> of data.
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Rails render partial with block
...
m>Y m>ou can use the capture helper, m>and m> even inline in the render call :
<%= render 'mm>y m>_partial',
:locals => { :title => "Some Title" },
:captured => capture { %>
<p>Here is some content to be rendered inside the ...