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Assign null to a SqlParameter
The following code gives an error - "No implicit conversion from DBnull to int."
18 Answers
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Syntax highlighting/colorizing cat
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I'd recommend pygmentize from the python package python-pygments. You may want to define the following handy alias (unless you use ccat from the ccrypt package).
alias ccat='pygmentize -g'
And if you want line numbers:
alias ccat='pygmentize -g...
How can I add remote repositories in Mercurial?
...an default-push is only necessary/useful if your usual push target differs from your usual pull source. If they're the same (or you never pull) then default suffices.
– Ry4an Brase
Jun 10 '12 at 0:18
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...xample on different processors, you will find that on some of them benefit from -O2 while other are more favorable to -Os optimizations.
Here are the results for time ./test 0 0 on several processors (user time reported):
Processor (System-on-Chip) Compiler Time (-O2) Time (-Os) Fa...
How to know when UITableView did scroll to bottom in iPhone
...ggered once per release of the finger.
Suitable when loading more content from some content provider (web service, core data etc).
Note that this approach does not respect the response time from your web service.
- (void)scrollViewDidEndDragging:(UIScrollView *)aScrollView
willDe...
Safely casting long to int in Java
What's the most idiomatic way in Java to verify that a cast from long to int does not lose any information?
10 Answers
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How to restore the permissions of files and directories within git if they have been modified?
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Oh, it worked, I was trying to apply from a directory different than the repository root. git apply only works there.
– pepper_chico
Aug 28 '12 at 22:06
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...n they're not as fast :)
Options
Low Memory (32-bit int, 32-bit machine)(from here):
unsigned int
reverse(register unsigned int x)
{
x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
x = (((x & 0xcccccccc) >> 2) | ((x & 0x33333333) << 2));
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What are the primary differences between Haskell and F#? [closed]
...teed that if you call f(x), nothing else happens besides returning a value from the function, such as console output, database output, changes to global or static variables.. and although Haskell can have non pure functions (through monads), it must be 'explicitly' implied through declaration.
Pure...
Pointer expressions: *ptr++, *++ptr and ++*ptr
...e of the operand after the increment. This makes it a very different beast from the postfix increment operator. Let's say you have:
int i = 7;
printf ("%d\n", ++i);
printf ("%d\n", i);
The output will be:
8
8
... different from what we saw with the postfix operator. Similarly, if you have:
c...