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Using ping in c#
...s;
}
catch (PingException)
{
// Discard PingExceptions and return false;
}
finally
{
if (pinger != null)
{
pinger.Dispose();
}
}
return pingable;
}
...
Using jQuery to center a DIV on the screen
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One change I'd suggest: You should use this.outerHeight() and this.outerWidth() instead of just this.height() and this.width(). Otherwise, if the object has a border or padding, it will end up slightly off-center.
– Trevor Burnham
Jan 25 '10 at...
How can I use an array of function pointers?
... @crucifiedsoul "the C Programming Language" written by Brian Kernighan and Dennis Ritchie? It could be, but I didn't have it as a reference at the time I wrote the answer three and an half year ago. So I don't know.
– VonC
Mar 30 '12 at 1:51
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How to print a string in fixed width?
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EDIT 2013-12-11 - This answer is very old. It is still valid and correct, but people looking at this should prefer the new format syntax.
You can use string formatting like this:
>>> print '%5s' % 'aa'
aa
>>> print '%5s' % 'aaa'
aaa
>>> print '%5s' % '...
Reverse a string in Python
...tended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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Why am I seeing “TypeError: string indices must be integers”?
I'm playing with both learning python and trying to get github issues into a readable form. Using the advice on How can I convert JSON to CSV? I came up with this:
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How do I determine the size of my array in C?
...ith the type, like this:
int a[17];
size_t n = sizeof(a) / sizeof(int);
and get the proper answer (68 / 4 = 17), but if the type of
a changed you would have a nasty bug if you forgot to change
the sizeof(int) as well.
So the preferred divisor is sizeof(a[0]) or the equivalent sizeof(*a), the siz...
Guards vs. if-then-else vs. cases in Haskell
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From a technical standpoint, all three versions are equivalent.
That being said, my rule of thumb for styles is that if you can read it as if it was English (read | as "when", | otherwise as "otherwise" and = as "is" or "be"), you're probably ...
Run certain code every n seconds [duplicate]
...at case you'd better set t = threading.Timer &c, then t.daemon = True, and only then t.start() right before the print "Hello, World!".
– Alex Martelli
Aug 3 '10 at 5:46
6
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Grid of responsive squares
...ing a layout with responsive squares . Each square would have vertically and horizontally aligned content. The specific example is displayed below...
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