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Regular expression to match balanced parentheses
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145
Regular expressions are the wrong tool for the job because you are dealing with nested structur...
How to resize a VirtualBox vmdk file
...k" --format vmdk
The above will resize the hard disk up to 50GB (50 * 1024MB).
To complete things you need to resize the drive too! To achieve this, you might want to download gparted iso and boot from that iso to resize your drive (select the iso from within the virtualbox settings).
P.S. If y...
Difference between fprintf, printf and sprintf?
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248
In C, a "stream" is an abstraction; from the program's perspective it is simply a producer (inp...
Retrieving the inherited attribute names/values using Java Reflection
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TypeLoadException says 'no implementation', but it is implemented
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246
NOTE - If this answer doesn't help you, please take the time to scroll down through the other a...
How to automatically generate N “distinct” colors?
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How to override the copy/deepcopy operations for a Python object?
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Alex MartelliAlex Martelli
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How can I use an array of function pointers?
...ract(int a, int b);
int mul(int a, int b);
int div(int a, int b);
int (*p[4]) (int x, int y);
int main(void)
{
int result;
int i, j, op;
p[0] = sum; /* address of sum() */
p[1] = subtract; /* address of subtract() */
p[2] = mul; /* address of mul() */
p[3] = div; /* address of div() *...
Cannot read configuration file due to insufficient permissions
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Checking network connection
...2
def internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expecte...