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How to get the IP address of the server on which my C# application is running on?
...would change would be to change this:
if (ip.AddressFamily.ToString() == "InterNetwork")
to this:
if (ip.AddressFamily == AddressFamily.InterNetwork)
There is no need to ToString an enumeration for comparison.
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How to set auto increment primary key in PostgreSQL?
...
and if you want to reference it from another table, use integer, or bigint
– Ward
May 18 '14 at 21:38
2
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Handling Dialogs in WPF with MVVM
...ser to an ajax type control.
This is very useful:
<BooleanToVisibilityConverter x:Key="booltoVis" />
as in:
<my:ErrorControl Visibility="{Binding Path=ThereWasAnError, Mode=TwoWay, Converter={StaticResource booltoVis}, UpdateSourceTrigger=PropertyChanged}"/>
Here's how I have one ...
Xcode Debugger: view value of variable
...f NSDictionary variable in Xcode debugger?
I also use
po variableName
print variableName
in Console.
In your case it is possible to execute
print [myData objectAtIndex:indexPath.row]
or
po [myData objectAtIndex:indexPath.row]
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How do I concatenate const/literal strings in C?
...r "strings".
You can use the strcat function, which appends the string pointed to by src to the end of the string pointed to by dest:
char *strcat(char *dest, const char *src);
Here is an example from cplusplus.com:
char str[80];
strcpy(str, "these ");
strcat(str, "strings ");
strcat(str, "are...
Comparing Dates in Oracle SQL
...
Single quote must be there, since date converted to character.
Select employee_id, count(*)
From Employee
Where to_char(employee_date_hired, 'DD-MON-YY') > '31-DEC-95';
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Rename Pandas DataFrame Index
...s and index are the same type of object (Index or MultiIndex), and you can interchange the two via transpose.
This is a little bit confusing since the index names have a similar meaning to columns, so here are some more examples:
In [1]: df = pd.DataFrame([[1, 2, 3], [4, 5 ,6]], columns=list('ABC'...
How to Implement Custom Table View Section Headers and Footers with Storyboard
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@Foriger - Not at this point. It's an odd omission in storyboard table views, but it is what it is. Use that kludgy hack with prototype cells if it you want, but personally, I just put up with the annoyance of the NIBs for the header/footer views.
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How to repeat a string a variable number of times in C++?
... to repeat a string n times:
#include <sstream>
std::string repeat(int n) {
std::ostringstream os;
for(int i = 0; i < n; i++)
os << "repeat";
return os.str();
}
Depending on the implementation, this may be slightly more efficient than simply concatenating the s...
Paging with Oracle
... stored proc. If I have "Page Number" and "Number of records per page" as integer values I can pass as parameters, what would be the best way to get back just that particular section. Say, if I pass 10 as a page number, and 120 as number of pages, from the select statement it would give me the 188...