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What happens if you call erase() on a map element while iterating from begin to end?
... port_map.erase(pm_it);
}
else
{
++pm_it;
}
}
C++03
Erasing elements in a map does not invalidate any iterators.
(apart from iterators on the element that was deleted)
Actually inserting or deleting does not invalidate any of the iterators:
Also see this answer:
Mark Ran...
Disable building workspace process in Eclipse
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102
Building workspace is about incremental build of any evolution detected in one of the opened pr...
Why does “git difftool” not open the tool directly?
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20
The answer by @ZJR seems to be most people's preferred answer (including me).
– Jono
Apr 3 '14 at 22:...
Assign same value to multiple variables at once?
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250
$var_a = $var_b = $same_var = $var_d = $some_var = 'A';
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Why is MySQL's default collation latin1_swedish_ci?
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109
The bloke who wrote it was co-head of a Swedish company.
Possibly for similar reasons, Microso...
How to break out or exit a method in Java?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Oct 29 '11 at 4:41
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Creating an empty file in Ruby: “touch” equivalent?
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edited Mar 27 '13 at 23:04
answered Nov 11 '11 at 22:14
D...
PostgreSQL query to return results as a comma separated list
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209
SELECT string_agg(id::text, ',') FROM table
Requires PostgreSQL 9.0 but that's not a problem.
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JS - get image width and height from the base64 code
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answered Jul 21 '13 at 18:06
gp.gp.
7,17833 gold badges3333 silver badges3636 bronze badges
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Assign output to variable in Bash
...erring to the variable.
#!/bin/bash
IP=$(curl automation.whatismyip.com/n09230945.asp)
echo "$IP"
sed "s/IP/$IP/" nsupdate.txt | nsupdate
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