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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...u need the equivalent trick with the stringizing operator too.
Section 6.10.3 of the C99 standard covers 'macro replacement', and 6.10.3.1 covers 'argument substitution'.
After the arguments for the invocation of a function-like macro have been identified,
argument substitution takes place. A...
Python serialization - Why pickle?
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edited Jan 28 '14 at 23:06
answered Jan 23 '12 at 8:45
au...
How to determine total number of open/active connections in ms sql server 2005
My PHP/MS Sql Server 2005/win 2003 Application occasionally becomes very unresponsive, the memory/cpu usage does not spike. If i try to open any new connection from sql management studio, then the it just hangs at the open connection dialog box.
how to deterime the total number of active connectio...
How to save a data.frame in R?
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Sacha EpskampSacha Epskamp
40.5k1616 gold badges100100 silver badges128128 bronze badges
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Limits of Nat type in Shapeless
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+50
I will attempt one myself. I will gladly accept a better answer from Travis Brown or Miles Sabin.
Nat can currently not be used to re...
How to make pipes work with Runtime.exec()?
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answered May 8 '11 at 15:20
KajKaj
10.4k11 gold badge2929 silver badges2727 bronze badges
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Why are margin/padding percentages in CSS always calculated against width?
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60
Transferring my comment to an answer, because it makes logical sense. However, please note that ...
Once upon a time, when > was faster than < … Wait, what?
...c old optimization where one frame you would use GL_LESS with a range of [0, 0.5]. Next frame, you render with GL_GREATER with a range of [1.0, 0.5]. You go back and forth, literally "flipping the sign of Z and the depth test" every frame.
This loses one bit of depth precision, but you didn't have...
What does curly brackets in the `var { … } = …` statements do?
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edited May 19 '16 at 12:07
Red15
66555 silver badges1616 bronze badges
answered Mar 8 '13 at 10:09
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How to find current transaction level?
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Run this:
SELECT CASE transaction_isolation_level
WHEN 0 THEN 'Unspecified'
WHEN 1 THEN 'ReadUncommitted'
WHEN 2 THEN 'ReadCommitted'
WHEN 3 THEN 'Repeatable'
WHEN 4 THEN 'Serializable'
WHEN 5 THEN 'Snapshot' END AS TRANSACTION_ISOLATION_LEVEL
FROM sys.dm_exec_sessions
whe...