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Increment a value in Postgres
...table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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Modifying a query string without reloading the page
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answered Oct 9 '13 at 18:05
Fabio NolascoFabio Nolasco
5,14255 gold badges2828 silver badges3131 bronze badges
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Filter dataframe rows if value in column is in a set list of values [duplicate]
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edited Feb 25 at 0:45
Harvey
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answered Au...
warning: implicit declaration of function
... "21"); /* The compiler has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... */
}
You need to declare your function before main, like this, either directly or in a header:
int fun(int x, char *p);
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How to split strings across multiple lines in CMake?
...project, to never create lines in text files that exceed a line length of 80, so they are easily editable in all kinds of editors (you know the deal). But with CMake I get the problem that I do not know how to split a simple string into multiple lines to avoid one huge line. Consider this basic code...
How can I initialize base class member variables in derived class constructor?
...these variables private in A
};
class B : public A
{
public:
B() : A(0, 0) // Calls A's constructor, initializing a and b in A to 0.
{
}
};
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PHP regular expressions: No ending delimiter '^' found in
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PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the regex to /^\d+$/.
Example: http://ideone.com/Ec3zh
See also:...
How to delete object from array inside foreach loop?
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answered Feb 21 '10 at 2:56
prodigitalsonprodigitalson
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How can I restore the MySQL root user’s full privileges?
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150
If the GRANT ALL doesn't work, try:
Stop mysqld and restart it with the --skip-grant-tables op...
How do I get the name of captured groups in a C# Regex?
...oupName in regex.GetGroupNames())
{
Console.WriteLine(
"Group: {0}, Value: {1}",
groupName,
groups[groupName].Value);
}
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