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How to swap two variables in JavaScript
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@derek - I think it's called array matching, a form of destructuring assignment.
– Ted Hopp
Apr 22 '16 at 14:31
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What is the maximum length of a valid email address?
... Mailbox element (i.e., the email address) has angle brackets around it to form a Path, which a maximum length of 254 characters to restrict the Path length to 256 characters or fewer.
The maximum length specified in RFC 5321 states:
The maximum total length of a reverse-path or forward-path is...
How to mark-up phone numbers?
...a phone number as callable link in an HTML document. I have read the microformats approach , and I know, that the tel: scheme would be standard, but is quite literally nowhere implemented.
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How to reshape data from long to wide format
... groups, v.names = the variables that will become multiple columns in wide format, timevar = the variable containing the values that will be appended to v.names in wide format, direction = wide, and sep = "_". Clear enough? ;)
– Brian D
Nov 17 '17 at 17:11
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How to get POSTed JSON in Flask?
...400 Bad Request response), your JSON data is invalid. It is in some way malformed; you may want to check it with a JSON validator.
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How can I unit test a GUI?
...end in this type of non-security-related application, and what level of performance gain could one expect compared to MD5?
– Lèse majesté
Jul 4 '12 at 5:33
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Any way to select without causing locking in MySQL?
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MyISAM tables do not support transactions in any form. A transactional query will run on a MyISAM table, so the query you mention above will execute, but it has no effect.
– zombat
May 27 '09 at 22:15
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How to add images to README.md on GitHub?
... Yes. This is by far the easiest way unless you're worried about performance.I'd note that this is relative to the directory not the repo, so if you have 'myimage.png' in the same dir as 'about_pics.md' then the markup is:
– Rich
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setting multiple column using one update
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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How to create cron job using PHP?
...y' value
Visit the link for the full article, it explains:
What is the format of the cronjob if you want to enter/edit it manually.
How to use PHP with SSH2 library to authenticate as the user, which crontab you are going to edit.
Full PHP class with all necessary methods for authentication, edi...