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Should I pass a shared_ptr by reference? [duplicate]
...rce in headers, if I still need RTTI elsewhere. Actually the resulted type_info is a placeholder, no runtime type information is really needed. So something like boost::typeindex::type_id should make things better.
– FrankHB
Sep 21 '15 at 0:52
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How do I vertically align something inside a span tag?
...
HTML
<div class="frame">
<img src="capabilities_icon1.png" alt="" />
</div>
CSS
.frame {
height: 160px;
width: 160px;
border: 1px solid red;
white-space: nowrap;
text-align: center; margin: 1em 0;
}
.frame::before {...
A cron job for rails: best practices?
...ler as desired.
Update this is quite an old question and answer! Some new info:
the heroku cron service I referenced has since been replaced by Heroku Scheduler
for frequent tasks (esp. where you want to avoid the Rails environment startup cost) my preferred approach is to use system cron to call...
How to Free Inode Usage?
...y. If a file has two directory entries linked to it, deleting one will not free the inode.
Additionally, you can delete a directory entry but, if a running process still has the file open, the inode won't be freed.
My initial advice would be to delete all the files you can, then reboot the box to ...
Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
...ns, and furthermore, that x is not null". That does communicate different information than ((T)x).Whatever(), and perhaps that is what the author of the code intends.
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Recommended Fonts for Programming? [closed]
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+1 for Monaco
alt text http://img.skitch.com/20080908-nmjji28uerreqpprs1h86gxna9.png
Just beautiful and I find I can read it for hours on end.
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Use Font Awesome icon as CSS content
... need to change the font-family to Font Awesome 5 Brands OR Font Awesome 5 Free, based on the type of icon you are trying to render. Also, do not forget to declare font-weight: 900;
a:before {
font-family: "Font Awesome 5 Free";
content: "\f095";
display: inline-block;
padding-right: 3p...
How is std::function implemented?
...pe, and cast them to a universal function pointer type. Therefore the type information is erased.
I've cobbled up a simplified version of that. Hope it'll help
#include <iostream>
#include <memory>
template <typename T>
class function;
template <typename R, typename... Args&...
How do I use valgrind to find memory leaks?
... in use at exit: 0 bytes in 0 blocks
total heap usage: 636 allocs, 636 frees, 25,393 bytes allocated
All heap blocks were freed -- no leaks are possible
ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
I have a le...
IntelliJ: Working on multiple projects
...of application as Modules. Add them via project browser, default hotkey is alt+1
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