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What does the construct x = x || y mean?
...o if you call the method with no arguments it will use a default value of "Error".
It's shorthand for writing:
if (!title) {
title = "Error";
}
This kind of shorthand trick with boolean expressions is common in Perl too. With the expression:
a OR b
it evaluates to true if either a or b is t...
Redirect all output to file [duplicate]
...dirlist" directs only the standard output to dirlist, because the standard error was duplicated from the standard output before the standard output was redirected to dirlist" :)
– shelleybutterfly
Jul 13 '11 at 5:33
...
validation custom message for rails 3
...
How do I remove the :title from the error message above? Above displays as "Title Story title is required". I want "Story title is required." Thanks.
– datauser
Oct 6 '11 at 6:37
...
In Laravel, the best way to pass different types of flash messages in the session
...Redirect::back() or Redirect::to():
Redirect::back()->with('message', 'error|There was an error...');
Redirect::back()->with('message', 'message|Record updated.');
Redirect::to('/')->with('message', 'success|Record updated.');
I have a helper function to make it work for me, usually th...
Converting from longitude\latitude to Cartesian coordinates
...the Earth is an ellipsoid, but I believe you only get about a 0.5% average error using an approach like the "Haversine Formula", which may be an acceptable amount of error in your case. You will always have some amount of error unless you're talking about a distance of a few feet and even then ther...
How can I remove non-ASCII characters but leave periods and spaces using Python?
...= u'Good bye in Swedish is Hej d\xe5'
>>>s = s.encode('ascii',errors='ignore')
>>>print s
Good bye in Swedish is Hej d
Edit:
Python3: str -> bytes -> str
>>>"Hej då".encode("ascii", errors="ignore").decode()
'hej d'
Python2: unicode -> str ->...
.NET JIT potential error?
... +1, definitely a bug - I might have identified the conditions for the error (not saying that nobugz found it because of me, though!), but this (and yours, Nick, so +1 for you too) shows that the JIT is the culprit. interesting that the optimisation is either removed or different when IntVec is...
Nodemailer with Gmail and NodeJS
...',
text: 'That was easy!'
};
transporter.sendMail(mailOptions, function(error, info){
if (error) {
console.log(error);
} else {
console.log('Email sent: ' + info.response);
}
});
Step 1:
go here https://myaccount.google.com/lesssecureapps and enable for less secure apps. If t...
Minimal web server using netcat
...
From man for nc, -p description: It is an error to use this option in conjunction with the -l option
– sbeliakov
Nov 24 '16 at 14:59
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Setting design time DataContext on a Window is giving a compiler error?
... can successfully do for all my various UserControls, but it gives me this error when I try to do it on the window...
2 Ans...