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Get selected value/text from Select on change
I need to get the value of the selected option in javascript: does anyone know how to get the selected value or text, please tell how to write a function for it. I have assigned onchange() function to select so what do i do after that?
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grep using a character vector with multiple patterns
...or bracket. First backslash is an escape character to interpret the second one needed to disable the operator.
– mbh86
Mar 11 '16 at 14:48
3
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ImportError: No module named matplotlib.pyplot
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You have two pythons installed on your machine, one is the standard python that comes with Mac OSX and the second is the one you installed with ports (this is the one that has matplotlib installed in its library, the one that comes with macosx does not).
/usr/bin/python
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How do I declare and initialize an array in Java?
... value, but the function needed to return an array. Which way works for a one-liner return statement? Only the third one.
– Skylar Ittner
Apr 20 '15 at 6:09
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HTTP vs HTTPS performance
...JMeter and Visual Studio come to mind) and they are quite easy to use.
No one can give you a meaningful answer without some information about the nature of your web site, hardware, software, and network configuration.
As others have said, there will be some level of overhead due to encryption, but...
How to use a link to call JavaScript?
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I'd recommend the second one, as the first one scrolls you to the top of the page.
– Matt Grande
Mar 27 '09 at 1:39
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HTTP redirect: 301 (permanent) vs. 302 (temporary)
...e history in the back button for example, to avoid going back to the wrong one in a 301? Silently altering a bookmark upon 301 if you click in an old one?
– Xavi Montero
Sep 17 '14 at 10:26
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SSH to Elastic Beanstalk instance
...r Elastic Beanstalk Application
If you haven't made a key pair yet, make one by clicking Key Pairs below Security Group in the ec2 tab.
In the AWS console, open the Elastic Beanstalk tab.
Select the relevant region.
Select relevant Environment
Select Configurations in left pane.
Select Security.
U...
Remove all the elements that occur in one list from another
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One way is to use sets:
>>> set([1,2,6,8]) - set([2,3,5,8])
set([1, 6])
Note, however, that sets do not preserve the order of elements, and cause any duplicated elements to be removed. The elements also need to be h...
Getting the last element of a split string array
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There's a one-liner for everything. :)
var output = input.split(/[, ]+/).pop();
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