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Why do we need boxing and unboxing in C#?
... But there are a few caveats to be aware of:
This is correct:
double e = 2.718281828459045;
int ee = (int)e;
This is not:
double e = 2.718281828459045;
object o = e; // box
int ee = (int)o; // runtime exception
Instead you must do this:
double e = 2.718281828459045;
object o = e; // box
int ...
How ListView's recycling mechanism works
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332
Initially, I was also unaware of listview recycling and the convertview usage mechanism, but aft...
CSRF Token necessary when using Stateless(= Sessionless) Authentication?
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2 Answers
2
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How do I put two increment statements in a C++ 'for' loop?
...ve displayed 5,6,7.. for x. What I got was this
i=0 a=5 x=0
i=1 a=6 x=0
i=2 a=7 x=1
i=3 a=8 x=2
i=4 a=9 x=3
However, if I bracketed the expression to force the parser into really seeing a comma operator, I get this
int main(){
int i=0;
int a=5;
int x=0;
for(i=0; i<5; x=(i++,a...
Step-by-step debugging with IPython
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62
You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're aut...
Search and replace a line in a file in Python
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200
I guess something like this should do it. It basically writes the content to a new file and re...
How to know the size of the string in bytes?
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132
You can use encoding like ASCII to get a character per byte by using the System.Text.Encoding cl...
NHibernate vs LINQ to SQL
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Ryan Lundy
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answered Aug 25 '08 at 21:51
Kevin PangKevin ...
is of a type that is invalid for use as a key column in an index
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249
A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes eve...