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CSS/HTML: What is the correct way to make text italic?
...does not correspond to what HTML5 drafts actually say – which is obscure and varies by version, but no version suggests using i for book, song, album, or movie names (which would, debatably, be candidates for using cite).
– Jukka K. Korpela
Sep 1 '14 at 13:04...
How to select a radio button by default? [duplicate]
I have some radio buttons and I want one of them to be set as selected by default when the page is loaded. How can I do that?
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How to use a dot “.” to access members of dictionary?
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Recommend adding getstate and setstate so that deep copy and other systems can support it.
– user1363990
Sep 27 '17 at 3:01
4
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Does “display:none” prevent an image from loading?
...if the browser is on a small CPU computer, not having to render the image (and layout the page) will make the whole rendering operation faster but I doubt this is something that really makes sense today.
If you want to prevent the image from loading you may simply not add the IMG element to your do...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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Braces ($var vs. ${var})
In most cases, $var and ${var} are the same:
var=foo
echo $var
# foo
echo ${var}
# foo
The braces are only needed to resolve ambiguity in expressions:
var=foo
echo $varbar
# Prints nothing because there is no variable 'varbar'
echo ${var}bar...
How to write a bash script that takes optional input arguments?
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You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of paramet...
Appropriate datatype for holding percent values?
...hat ensures that the values never exceed 1.0000 (assuming that is the cap) and never go below 0 (assuming that is the floor). If you are going to store their face value (e.g. 100.00% is stored as 100.00), then you should use decimal(5,2) with an appropriate CHECK constraint. Combined with a good col...
Is SQL or even TSQL Turing Complete?
...e programming languages, so that's kinda cheating).
In this set of slides Andrew Gierth proves that with CTE and Windowing SQL is Turing Complete, by constructing a cyclic tag system, which has been proved to be Turing Complete. The CTE feature is the important part however -- it allows you to crea...
Is “else if” a single keyword?
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They are not a single keyword if we go to the draft C++ standard section 2.12 Keywords table 4 lists both if and else separately and there is no else if keyword. We can find a more accessible list of C++ keywords by going to cppreferences section on keywords.
The grammar in sectio...
Using forked package import in Go
Suppose you have a repository at github.com/someone/repo and you fork it to github.com/you/repo . You want to use your fork instead of the main repo, so you do a
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