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Why are preprocessor macros evil and what are the alternatives?
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A common trouble is this :
#define DIV(a,b) a / b
printf("25 / (3+2) = %d", DIV(25,3+2));
It will print 10, not 5, because the preprocessor will expand it this way:
printf("25 / (3+2) = %d", 25 / 3 + 2);
This version is safer:
#define DIV(a,b) (a) / (b)
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C# naming convention for constants?
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answered Oct 28 '08 at 8:25
Greg BeechGreg Beech
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autolayout - make height of view relative to half superview height
...s is also a great way to create views that are other percentages too (like 25% of super view)
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How to state in requirements.txt a direct github source
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answered May 16 '13 at 10:25
stalkstalk
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What is the difference between a stored procedure and a view?
...rofile WHERE user_id = @ID
END
GO
So, later on, I can call:
dbo.getDesc 25
and I will get the description for user_id 25, where the 25 is your parameter.
There is obviously a lot more detail, this is just the basic idea.
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OR is not supported with CASE Statement in SQL Server
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250
CASE
WHEN ebv.db_no = 22978 OR
ebv.db_no = 23218 OR
ebv.db_no = 23219
THEN ...
How to print instances of a class using print()?
... around this?
– Viet
Jul 5 '13 at 3:25
12
To Java programmers: __str__(self) is like the toString...
How can I change the default width of a Twitter Bootstrap modal box?
...dia query to fix this
– Nick N.
Oct 25 '13 at 11:03
1
@NickN. my media query didn't fix it. Can ...
Difference between app.all('*') and app.use('/')
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– Jozef Mikušinec
Feb 5 '17 at 1:25
@JozefMikusinec Documentation seems to suggest otherwise... expressjs.com/en/gu...
How to implement Rate It feature in Android App
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answered Jan 25 '13 at 3:06
Raghav SoodRaghav Sood
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