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Deleting DataFrame row in Pandas based on column value
...sking:
In [56]: df
Out[56]:
line_date daysago line_race rating raw wrating
0 2007-03-31 62 11 56 1.000 56.000
1 2007-03-10 83 11 67 1.000 67.000
2 2007-02-10 111 9 66 1.000 66.000
3 2007-01-13 139 10 ...
How can I install Apache Ant on Mac OS X?
...mmand in a terminal window to install brew:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
It's a medium sized download which took me 10min to download and install. Just follow the process which involves installing various components. If you already have...
Does HTTP use UDP?
...r transferring HTTP data and streaming it to the end-user:
XMPP's Jingle Raw UDP Transport Method
A number for services that use UDT --- UDP-based Data Transfer Protocol, which is the a superset of UDP protocol.
The Transport Layer Security (TLS) protocol encapsulating HTTP as well as the above me...
MySQL load NULL values from CSV data
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Thanks for the tip - I am sceptical to edit the raw source data but if this is the only way around it I will try it out.
– Spiros
Apr 20 '10 at 13:55
7
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Installing vim with ruby support (+ruby)
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On mac os x, assuming you have Homebrew installed:
brew install https://raw.github.com/Homebrew/homebrew-dupes/master/vim.rb
This version of vim has ruby support enabled
Source: http://blog.jerodsanto.net/2011/08/brew-install-vim/
EDIT: edited the url, thanks @david-xia for mentioning the cha...
Easier way to populate a list with integers in .NET [duplicate]
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You can take advantage of the Enumerable.Range() method:
var numberList = Enumerable.Range(1, 10).ToList();
The first parameter is the integer to start at and the second parameter is how many sequential integers to include.
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How can I generate random number in specific range in Android? [duplicate]
I want to generate random number in a specific range. (Ex. Range Between 65 to 80)
2 Answers
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ssl证书申请报错：challenge = [c for c in authorization[\'challenges\']...
...['challenges'] if c['type'] == "http-01"][0] IndexError: list index out of rangechallenge-list-index-out-of-range使用acme-tiny申请ssl证书时报错：challenge = [c for c in authorization[& 39;challenges& 39;] if c[& 39;type& 39;] == "http-01"][0] IndexError: list index 使用acme-tiny申请...
How to get the nth element of a python list or a default if not available
...an empty list if n => len(a)
Here is an example of how this works with range(5)
>>> range(5)[3:4]
[3]
>>> range(5)[4:5]
[4]
>>> range(5)[5:6]
[]
>>> range(5)[6:7]
[]
And the full expression
>>> (range(5)[3:4]+[999])[0]
3
>>> (range(5)[4:5...
Get the last non-empty cell in a column in Google Sheets
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Question. If instead of A:A, there is an importrange(), how can this be rewritten without doing the same importrange() 4 times?
– Ruby
Mar 6 '19 at 21:54
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