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Select all elements with “data-” attribute without using jQuery
....querySelector(`[data-foo="${i}"]`)
Note even if you don't write value in string it gets converted to string like if I write
<div data-foo=1></div>
and then inspect the element in Chrome developer tool the element will be shown as below
<div data-foo="1"></div>
You can als...
How to get a substring of text?
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Use String#slice, also aliased as [].
a = "hello there"
a[1] #=> "e"
a[1,3] #=> "ell"
a[1..3] #=> "ell"
a[6..-1] #=> "there"
a[-3,2] #=>...
ExpressJS How to structure an application?
...nything that can cleanly be separated out from your app entirely should be extracted into a module either for internal use or publicly published on npm. However, for the medium-sized applications that are the scope here, the overhead of this can add tedium to your workflow without commensurate value...
How to get the text node of an element?
... possible iterations. Comparing two small numbers is better than comparing strings of various lengths (time and space considerations). The correct question to ask in this situation is "what kind / type of node do I have?", and not "what name do I have?" developer.mozilla.org/en-US/docs/Web/API/Node/...
When would you use the Builder Pattern? [closed]
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.NET StringBuilder class is a great example of builder pattern. It is mostly used to create a string in a series of steps. The final result you get on doing ToString() is always a string but the creation of that string varies acco...
Evaluating a mathematical expression in a string
...s a class, so I can use it
more easily in other places.
'''
class NumericStringParser(object):
'''
Most of this code comes from the fourFn.py pyparsing example
'''
def pushFirst(self, strg, loc, toks):
self.exprStack.append(toks[0])
def pushUMinus(self, strg, loc, to...
Scala 2.8 breakOut
... breakOut? Consider the example given for the question, You take a list of strings, transform each string into a tuple (Int, String), and then produce a Map out of it. The most obvious way to do that would produce an intermediary List[(Int, String)] collection, and then convert it.
Given that map u...
Jquery - How to make $.post() use contentType=application/json?
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@PavelRepin, I had to call JSON.stringify() on the payload.
– Ustaman Sangat
Apr 30 '12 at 23:41
2
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Application_Error not firing when customerrors = “On”
...arounds for these problems but I wasn't concerned enough by them to do any extra work.
I hope this helps everyone!
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How to get current location in Android [duplicate]
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You may also need @Override public void onStatusChanged(String provider, int status, Bundle extras) { } @Override public void onProviderEnabled(String provider) { } @Override public void onProviderDisabled(String provider) { }
– Ege K...