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jQuery count child elements
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It really depends on which browser you use. In many modern browsers, adding the element uses findByElement before finding by id or class, which is slower. Soon this will be a moot point either way though, because all DOM searches ...
What are the best practices for SQLite on Android?
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Inserts, updates, deletes and reads are generally OK from multiple threads, but Brad's answer is not correct. You have to be careful with how you create your connections and use them. There are situations where your update calls will fail, even if your database doesn'...
Jquery bind double click and single click separately
Is there something in jquery that would allow me to differentiate between behavior on double click and single click?
14 Ans...
How to trigger the onclick event of a marker on a Google Maps V3?
...anks to Firebug ;)
//"markers" is an array that I declared which contains all the marker of the map
//"i" is the index of the marker in the array that I want to trigger the OnClick event
//V2 version is:
GEvent.trigger(markers[i], 'click');
//V3 version is:
google.maps.event.trigger(markers[i], '...
Unable to access JSON property with “-” dash
...s answer, note that in Node.js if you access JSON with the array syntax [] all nested JSON keys should follow that syntax
This is the wrong way
json.first.second.third['comment']
and will will give you the 'undefined' error.
This is the correct way
json['first']['second']['third']['comment']
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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
... What if you want to update few columns? Replace will update all.
– imVJ
Sep 9 '16 at 10:27
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show 1 more comment
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Using headers with the Python requests library's get method
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According to the api, the headers can all be passed in using requests.get:
r=requests.get("http://www.example.com/", headers={"content-type":"text"})
share
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Shell script “for” loop syntax
...D based) with #!/bin/sh and it worked fine. Invoked under bash and specifically under /bin/sh, still worked. Maybe the version of sh matters? Are you on some old Unix?
– system PAUSE
Mar 26 '12 at 21:29
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For i = 0, why is (i += i++) equal to 0?
...d
i + 1; // Note that you are discarding the calculation result
What actually happens is more involved than that - take a look at MSDN, 7.5.9 Postfix increment and decrement operators:
The run-time processing of a postfix increment or decrement operation of the form x++ or x-- consists of the ...
How do I sort a dictionary by value?
...(x.items(), key=operator.itemgetter(0))
In Python3 since unpacking is not allowed [1] we can use
x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}
sorted_x = sorted(x.items(), key=lambda kv: kv[1])
If you want the output as a dict, you can use collections.OrderedDict:
import collections
sorted_dict = collection...