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Understanding dict.copy() - shallow or deep?
... Nice answer, but you might consider correcting the grammatical error in your first sentence. And there's no reason to not use L again in b. Doing so would simplify the example.
– Tom Russell
Oct 27 '17 at 4:47
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Does use of final keyword in Java improve the performance?
...to design, implement, and use than mutable classes. They are less prone to error and are more secure.. Furthermore An immutable object can be in exactly one state, the state in which it was created. vs Mutable objects, on the other hand, can have arbitrarily complex state spaces.. From my personal e...
How to implement the --verbose or -v option into a script?
...
log.info("This should be verbose.")
log.warning("This is a warning.")
log.error("This is an error.")
All of these automatically go to stderr:
% python myprogram.py
WARNING: This is a warning.
ERROR: This is an error.
% python myprogram.py -v
INFO: Verbose output.
INFO: This should be verbose.
W...
Timer function to provide time in nano seconds using C++
...orrectly you need to use it as indicated (other comments on this page have errors, and may yield incorrect timing values on certain processors)
inline uint64_t rdtsc()
{
uint32_t lo, hi;
__asm__ __volatile__ (
"xorl %%eax, %%eax\n"
"cpuid\n"
"rdtsc\n"
: "=a" (lo), "=...
How should one use std::optional?
...archy, instead of passing around some "phantom" value "assumed" to have a "error" meaning.
– Luis Machuca
Oct 3 '13 at 16:35
1
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Xcode 6: Keyboard does not show up in simulator
The keyboard does not show up when I run the simulator and click in the UITextView. How do I re-enable the keyboard?
13 Ans...
Explaining Python's '__enter__' and '__exit__'
...:
>>> raise
#will result (client side) :
2018-12-18 14:44:05,863 : INFO --> Initiating My connection
2018-12-18 14:44:05,863 : INFO --> connection success
b'connected'
2018-12-18 14:44:05,864 : INFO --> CM suppress exception
#result of server side
g...
Weird PHP error: 'Can't use function return value in write context'
I'm getting this error and I can't make head or tail of it.
12 Answers
12
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The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis
I am using Membership.create user function, then the following error is occurring,
19 Answers
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Send attachments with PHP Mail()?
... ... OK"; // or use booleans here
} else {
echo "mail send ... ERROR!";
print_r( error_get_last() );
}
Edit 14-June-2018
for more readability in some of email provider
use
$body .= $eol . $message . $eol . $eol; and
$body .= $eol . $content . $eol . $eol;
...