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Get list from pandas DataFrame column headers
...om a pandas DataFrame. The DataFrame will come from user input so I won't know how many columns there will be or what they will be called.
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How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
... (see my blog article here for more details):
Search in Elements panel like below
Execute $x() and $$() in Console panel, as shown in Lawrence's answer
Third party extensions (not really necessary in most of the cases, could be an overkill)
Here is how you search XPath in Elements panel:
Press...
How to update a pull request from forked repo?
So I first forked a repo and then made a commit to that forked repo. I then opened a pull request. The pull request listed all the changes I wanted.
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What are these attributes: `aria-labelledby` and `aria-hidden`
...sing Bootstrap modal, I've seen these aria attributes a lot, but I never knew how to make use of them.
5 Answers
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How to get past the login page with Wget?
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# Log in to the server. This only needs to be done once.
wget --save-cookies cookies.txt \
--keep-session-cookies \
--post-data 'user=foo&password=bar' \
--delete-after \
http://server.com/auth.php
# Now grab the page or pages we care about.
wget --load-cookies cookies.tx...
Why number 9 in kill -9 command in unix? [closed]
I understand it's off topic, I couldn't find anywhere online and I was thinking maybe programming gurus in the community might know this.
I usually use
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Why am I seeing “TypeError: string indices must be integers”?
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item is most likely a string in your code; the string indices are the ones in the square brackets, e.g., gravatar_id. So I'd first check your data variable to see what you received there; I guess that data is a list of strings (or at least ...
Segmentation fault on large array sizes
...owing code gives me a segmentation fault when run on a 2Gb machine, but works on a 4GB machine.
5 Answers
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How to use a switch case 'or' in PHP
... case 1:
case 2:
echo "the value is either 1 or 2.";
break;
}
This is called "falling through" the case block. The term exists in most languages implementing a switch statement.
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How do I do a Date comparison in Javascript? [duplicate]
I would like to compare two dates in javascript. I have been doing some research, but all I can find is how to return the current date. I want to compare 2 separate dates, not related to today. How do I do that.
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