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How do I implement onchange of with jQuery?
...t will only fire when the selector has lost focus, so you will need to click somewhere else to have this work.
If that's not quite right for you, you could use some of the other jQuery events like keyup, keydown or keypress - depending on the exact effect you want.
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Is there some way to PUSH data from web server to browser?
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Yes, what you're looking for is COMET http://en.wikipedia.org/wiki/Comet_(programming). Other good Google terms to search for are AJAX-push and reverse-ajax.
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Is arr.__len__() the preferred way to get the length of an array in Python?
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my_list = [1,2,3,4,5]
len(my_list)
# 5
The same works for tuples:
my_tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and...
How can two strings be concatenated?
... or vectors of different lengths is a bit too flexible in paste() for my liking. For instance, paste(c('a','b'),'blah', c(1,2,3)) results in "a blah 1" "b blah 2" "a blah 3". Basically, it creates a vector of strings the same length as the longest vector that's passed in, and loops the other vectors...
Read connection string from web.config
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Liam
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answered May 26 '11 at 6:07
peteisacepeteisac...
How do I load my script into the node.js REPL?
...lternative to using require it to use the .load command within the REPL, like such:
.load foo.js
It loads the file in line by line just as if you had typed it in the REPL. Unlike require this pollutes the REPL history with the commands you loaded. However, it has the advantage of being repeatab...
How do I escape a reserved word in Oracle?
In TSQL I could use something like Select [table] from tablename to select a column named "table".
5 Answers
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Getting MAC Address
...uld find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing the output of another program doesn't seem very elegant not to mention error prone.
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
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NPENPE
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get all characters to right of last dash
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JonJon
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