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How to properly create composite primary keys - MYSQL
Here is a gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 .
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How can I tell if a DOM element is visible in the current viewport?
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answered Sep 24 '08 at 2:40
PrestaulPrestaul
73.5k1010 gold badges7575 silver badges8383 bronze badges
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Most popular screen sizes/resolutions on Android phones [closed]
...ng for.
– dfetter88
Jun 7 '11 at 23:07
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That link says nothing of how common a resolution is......
Installing SciPy with pip
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106
An attempt to easy_install indicates a problem with their listing in the Python Package Index, ...
What to do with “Unexpected indent” in python?
...re editors! I had a problem where I was editing in notepad++ with default settings and it was getting the whitespace wrong
– Dave Archer
Jun 19 '09 at 8:13
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Ordering by specific field value first
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edited Jan 11 '19 at 20:44
Joey Bass
322 bronze badges
answered Aug 21 '14 at 18:07
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How do you check if a selector matches something in jQuery? [duplicate]
...e slower- you can do:
jQuery.fn.exists = function(){return this.length>0;}
Then in your code you can use
if ($(selector).exists()) {
// Do something
}
As answered here
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Convert seconds to HH-MM-SS with JavaScript?
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--update 2
Please use @Frank's a one line solution:
new Date(SECONDS * 1000).toISOString().substr(11, 8)
It is by far the best solution.
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uppercase first character in a variable with bash
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foo="$(tr '[:lower:]' '[:upper:]' <<< ${foo:0:1})${foo:1}"
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How to make a copy of a file in android?
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