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explicit casting from super class to subclass
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By using a cast you're essentially telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn...
Store select query's output in one array in postgres
...Sorry 'bout that. Mindless copying and pasting got array_agg() included in all three calls. I've also type-casted the initial one to make your PG version happy.
– Denis de Bernardy
Jun 19 '11 at 13:41
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Can you put two conditions in an xslt test attribute?
...ments—to
add to the result tree. Their test
expressions can also use all the
tricks and operators that the xsl:if
element's test attribute can use, such
as and, or, and function calls, to
build more complex boolean
expressions.
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Difference between `set`, `setq`, and `setf` in Common Lisp?
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Originally, in Lisp, there were no lexical variables -- only dynamic ones. And
there was no SETQ or SETF, just the SET function.
What is now written as:
(setf (symbol-value '*foo*) 42)
was written as:
(set (quote *foo*) 42)
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...like "1 minutes". I posted a modified version of this answer that conditionally adds the "s": stackoverflow.com/a/23259289/373655
– rob
Apr 24 '14 at 3:32
1
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How do you stop Console from popping up automatically in Eclipse
... make the console popup every few seconds. How do I stop it from automatically popping up and taking focus?
3 Answers
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Angularjs loading screen on ajax request
... });
}
};
}]);
With this directive, all you need to do is to give any loading animation element an 'loading' attribute:
<div class="loading-spiner-holder" data-loading ><div class="loading-spiner"><img src="..." /></div></div>
Y...
How to get current time with jQuery
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@NegativeZero A really useful (if not essential) suggestion. Unfortunately it didn't work for me on Firefox (I didn't test on other browsers). However, rewriting it as String(dt.getMinutes()).padStart(2, '0') works for me.
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How to check if a string is a valid hex color representation?
...xactly 6 characters, it will match exactly 3 characters, but 1 or 2 times. Allowing ABC and AABBCC, but not ABCD
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Track the time a command takes in UNIX/LINUX?
...ts the Gnu time command, but time is a builtin in bash, which doesn't have all the options documented there.
– Ben Crowell
Jun 17 '17 at 15:27
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