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Why can lambdas be better optimized by the compiler than plain functions?
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edited Dec 5 '12 at 14:03
answered Dec 5 '12 at 11:43
Ko...
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...
How can I write text on a HTML5 canvas element?
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edited Jul 14 '14 at 15:03
Paul D. Waite
86.1k5151 gold badges184184 silver badges258258 bronze badges
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What does “@@ -1 +1 @@” mean in Git's diff output?
...f.
For instance:
diff -u <(seq -w 16) <(seq -w 16 | grep -Ev '^(02|03|14|15)$')
Here we removed lines 2, 3, 14 and 15. Output:
@@ -1,6 +1,4 @@
01
-02
-03
04
05
06
@@ -11,6 +9,4 @@
11
12
13
-14
-15
16
@@ -1,6 +1,4 @@ means:
-1,6 means that this piece of the first file starts at...
How to evaluate a math expression given in string form?
...ure 100%)
– partho
Feb 27 '16 at 13:03
19
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Golang: How to pad a number with zeros when printing?
..., output will be 12.
If input is 1992, output will be 1992.
You can use %03d or more for more zeros padding.
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Visual Studio support for new C / C++ standards?
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103
MS has a series of public replies to this, most of them blaming their users. Like this one:
htt...
How to merge specific files from Git branches
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edited Sep 26 '19 at 16:03
Dave Jarvis
27.6k3434 gold badges157157 silver badges281281 bronze badges
a...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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– Denilson Sá Maia
Aug 28 '14 at 20:03
2
@Kailas If you're not using the mysql client? None at al...
How to get the insert ID in JDBC?
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rogerdpack
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answered Dec 16 '09 at 15:03
BalusCBalusC
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