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What happens if you call erase() on a map element while iterating from begin to end?
...een improved/made consistent across all container types).
The erase method now returns the next iterator.
auto pm_it = port_map.begin();
while(pm_it != port_map.end())
{
if (pm_it->second == delete_this_id)
{
pm_it = port_map.erase(pm_it);
}
else
{
++pm_it;
...
How to change the background color of a UIButton while it's highlighted?
...The dropdown list should show CustomButton. Select this, and the button is now subclassed.
– James Toomey
May 17 '17 at 23:44
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Renaming or copying files and folder using NERDTree on Vim. Is it possible?
...rm, and it need to confirm twice. I just want it no prompt at all. Do you know how to do it?
– mko
Apr 12 '13 at 1:28
1
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How to prevent gcc optimizing some statements in C?
... memory stores and loads. One purpose of volatile is to let the compiler know that the memory access has side effects, and therefore must be preserved. In this case, the store has the side effect of causing a page fault, and you want the compiler to preserve the page fault.
This way, the surround...
Redis: possible to expire an element in an array or sorted set?
...currently only possible to expire an entire key/value pair?
As far as I know, and also according to key commands and document about expiration, currently you can set expiration only to specific key and not to it's underlying data structure. However there is a discussion on google groups about this...
Output data from all columns in a dataframe in pandas [duplicate]
...
I know this is an old question, but I have just had a similar problem and I think what I did would work for you too.
I used the to_csv() method and wrote to stdout:
import sys
paramdata.to_csv(sys.stdout)
This should dump t...
Why do I get a warning every time I use malloc?
...stdlib.h>
If you don't include this header file, the function is not known to the compiler. So it sees it as undeclared.
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How do you install ssh-copy-id on a Mac?
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ssh-copy-id is installed on macOS by default now.
$ sw_vers
ProductName: Mac OS X
ProductVersion: 10.12.4
$ which ssh-copy-id
/usr/bin/ssh-copy-id
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How can I update NodeJS and NPM to the next versions?
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I did it like you said npm update npm -g and now I don't have npm as a command.
– alexserver
Jun 23 '14 at 17:23
18
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Detecting endianness programmatically in a C++ program
... As everyone I have access to C++17 and 20 drafts/proposals, but, as of now, does any C++20 compiler ever exist?
– Xeverous
Oct 29 '17 at 21:35
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