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Store boolean value in SQLite
...
But,if you want to store a bunch of them you could bit-shift them and store them all as one int, a little like unix file permissions/modes.
For mode 755 for instance, each digit refers to a different class of users: owner, group, public. Within each digit 4 is read, 2 is wr...
Share cookie between subdomain and domain
...kie". See What is a host only cookie?)
For instance, if you sent the following header from subdomain.mydomain.com, then the cookie won't be sent for requests to mydomain.com:
Set-Cookie: name=value
However if you use the following, it will be usable on both domains:
Set-Cookie: name=value; doma...
How do you post to an iframe?
...this
...
var el = document.getElementById('targetFrame');
var doc, frame_win = getIframeWindow(el); // getIframeWindow is defined below
if (frame_win) {
doc = (window.contentDocument || window.document);
}
if (doc) {
doc.forms[0].someInputName.value = someValue;
...
doc.forms[0].submit()...
What is the max size of localStorage values?
...and this answer works perfectly fine on both vanilla Chrome and Firefox on Win10, giving size=5000.
– A. Chiesa
Apr 28 at 6:43
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Private and Protected Members : C++
...46
jdhao
10.2k66 gold badges5858 silver badges109109 bronze badges
answered Oct 22 '08 at 9:14
Firas AssaadFir...
Is there a command to refresh environment variables from the command prompt in Windows?
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Vishrant
9,10577 gold badges4545 silver badges8383 bronze badges
answered Oct 5 '08 at 9:10
itsadokitsadok
...
warning about too many open figures
... (Or that's my vague recollection, anyway.) At any rate, it's certainly a bit annoying, but you should call plt.close(fig) instead of del fig. On a side note, matplotlib could really use a context manager for this...
– Joe Kington
Feb 19 '14 at 15:24
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Does static constexpr variable inside a function make sense?
...egers.)
The C++ object model (§1.9) requires that all objects other than bit-fields occupy at least one byte of memory and have addresses; furthermore all such objects observable in a program at a given moment must have distinct addresses (paragraph 6). This does not quite require the compiler to ...
Check if full path given
... the advantages of IsPathRooted: avoiding accessing the file system or throwing exceptions for invalid input.
– weir
Jan 27 '16 at 20:53
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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...for now that
* seems like overkill.
*/
if (err == -ENOBUFS || test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) {
UDP_INC_STATS(sock_net(sk),
UDP_MIB_SNDBUFERRORS, is_udplite);
}
return err; //发送失败，返回错误码
do_confirm:
dst_confirm(&rt->dst);
if (!(msg->msg...