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How to use shared memory with Linux in C
...u casting 0 into a void* instead of using NULL ?
– Clément Péau
Mar 28 '17 at 15:45
However this code doesn't handle...
How to parse a string to an int in C++?
... problem: what if the caller needs to distinguish between bad input (e.g. "123foo") and a number that is out of the range of int (e.g. "4000000000" for 32-bit int)? With stringstream, there is no way to make this distinction. We only know whether the conversion succeeded or failed. If it fails, we h...
How to create a new database using SQLAlchemy?
...
123
SQLAlchemy-Utils provides custom data types and various utility functions for SQLAlchemy. You ...
Jackson JSON custom serialization for certain fields
...ill result in the desired output
{"name":"Joe","age":25,"favoriteNumber":"123"}
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How do I override __getattr__ in Python without breaking the default behavior?
...answered Aug 11 '15 at 14:30
José LuisJosé Luis
2,86233 gold badges2525 silver badges3131 bronze badges
...
LISTAGG in Oracle to return distinct values
...t useful:
with test_data as
(
select 'A' as col1, 'T_a1' as col2, '123' as col3 from dual
union select 'A', 'T_a1', '456' from dual
union select 'A', 'T_a1', '789' from dual
union select 'A', 'T_a2', '123' from dual
union select 'A', 'T_a2', '456' from dual
union select 'A', 'T_a2', '111' fr...
How to rename items in values() in Django?
...gh tables (.values(supports__through_tables))?
– François Constant
Oct 2 '14 at 6:30
12
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Changes in import statement python3
...d Oct 20 '15 at 18:16
Akseli PalénAkseli Palén
23.3k55 gold badges5353 silver badges6767 bronze badges
...
HttpServletRequest to complete URL
...rvlet/MyServlet
String pathInfo = req.getPathInfo(); // /a/b;c=123
String queryString = req.getQueryString(); // d=789
// Reconstruct original requesting URL
StringBuilder url = new StringBuilder();
url.append(scheme).append("://").append(serverName);
if (s...
Should I use a class or dictionary?
...ed Aug 24 '19 at 22:28
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Oct 28 '10 at 17:18
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