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How to get a URL parameter in Express?
...d is set to " + req.params.tagId);
});
// GET /p/5
// tagId is set to 5
If you want to get a query parameter ?tagId=5, then use req.query
app.get('/p', function(req, res) {
res.send("tagId is set to " + req.query.tagId);
});
// GET /p?tagId=5
// tagId is set to 5
Express 3.x
URL paramete...
Reading a delimited string into an array in Bash
...
and to do a sanity check of your beautiful new array: for i in ${arr[@]}; do echo $i; done
– Banjer
Oct 11 '13 at 15:00
5
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PostgreSQL - max number of parameters in “IN” clause?
In Postgres, you can specify an IN clause, like this:
8 Answers
8
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getenv() vs. $_ENV in PHP
What is the difference between getenv() and $_ENV ?
6 Answers
6
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What is the HTML tabindex attribute?
...ard events (e.g. 'onkeypress') is to make such elements focusable. Lastly, if you don't want to set the order but just make your element focusable use tabindex="0" on all such elements:
<div tabindex="0"></div>
Also, if you don't want it to be focusable via the tab key then use tabind...
Is HTML5 localStorage asynchronous?
... of the HTML5 core standard, it's been split off.
The relevant (draft) specification can be found here and the one thing you'll notice is that it doesn't mention synchronous or asynchronous anywhere.
However, analysis of the text would suggest that it must be synchronous (my bold):
The setItem(key,...
Set encoding and fileencoding to utf-8 in Vim
What is the difference between these two commands?
3 Answers
3
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Change templates in Xcode
...
You wouldn't change the existing templates. In other words, don't modify anything under the /Developer hierarchy (or wherever you installed your developer tools).
Instead, clone the templates you want to have customized variants of. Then change their names and the information in them. Final...
How can I change the color of pagination dots of UIPageControl?
...ed UIView that uses Core Graphics to render the dots in the colors you specify.
You use the exposed properties to customize and control it.
If you want to you can register a delegate object to get notifications when the user taps on one of the little page dots. If no delegate is registered then th...
Find first element in a sequence that matches a predicate
...t element in a sequence seq that matches a predicate:
next(x for x in seq if predicate(x))
Or (itertools.ifilter on Python 2):
next(filter(predicate, seq))
It raises StopIteration if there is none.
To return None if there is no such element:
next((x for x in seq if predicate(x)), None)
O...