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Valid to use (anchor tag) without href attribute?
...n, you should add the following attributes:
<a role="button" tabindex="0" ...>...</a>
The button role tells the user that the particular element is being treated as a button as an override for whatever semantics the underlying element may have had.
For <span> and <div> el...
How to remove the first character of string in PHP?
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edited Oct 31 '15 at 17:40
tleb
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answered Jan 9 '...
Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
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208
Basically, you need to clear out the transport tokens. This can happen if you were to close out...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
Given a ['0','1','1','2','3','3','3'] array, the result should be ['0','1','2','3'] .
17 Answers
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Random record in ActiveRecord
...a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
25 Answers
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Color in git-log
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As of git 1.8.3 (May 24, 2013), you can use %C(auto) to decorate %d in the format string of git log.
From the release notes:
* "git log --format" specifier learned %C(auto) token that tells Git
to use color when interpolating %d (decoration), %h...
How to check status of PostgreSQL server Mac OS X
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edited Nov 2 '11 at 4:03
answered Nov 2 '11 at 3:25
Boh...
Use of 'use utf8;' gives me 'Wide character in print'
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110
Without use utf8 Perl interprets your string as a sequence of single byte characters. There are ...
Difference between std::system_clock and std::steady_clock?
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From N3376:
20.11.7.1 [time.clock.system]/1:
Objects of class system_clock represent wall clock time from the system-wide realtime clock.
20.11.7.2 [time.clock.steady]/1:
Objects of class steady_clock represent clocks for which ...
Instance variable: self vs @
...e, you might have a MiddleAgedSocialite class that always reports its age 10 years younger than it actually is. Or more practically, a PersistentPerson class might lazily read that data from a persistent store, cache all its persistent data in a hash.
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