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CSV file written with Python has blank lines between each row
...wline='' (empty string) instead.
Examples:
# Python 2
with open('/pythonwork/thefile_subset11.csv', 'wb') as outfile:
writer = csv.writer(outfile)
# Python 3
with open('/pythonwork/thefile_subset11.csv', 'w', newline='') as outfile:
writer = csv.writer(outfile)
Documentation Links
htt...
Using do block vs braces {}
...
Ruby cookbook says bracket syntax has higher precedence order than do..end
Keep in mind that the bracket syntax
has a higher precedence than the
do..end syntax. Consider the following
two snippets of code:
1.upto 3 do |x|
puts x
end
1.upto 3 { |x| puts x }
# SyntaxE...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...the title says: what does it mean to encapsulate a variable in {} , "" , or "{} "? I haven't been able to find any explanations online about this - I haven't been able to refer to them except for using the symbols, which doesn't yield anything.
...
How do I use a custom deleter with a std::unique_ptr member?
...* ... */ }
// ...
};
Notice that you don't need to write any lambda or custom deleter here because destroy is already a deleter.
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SQL (MySQL) vs NoSQL (CouchDB) [closed]
I am in the middle of designing a highly-scalable application which must store a lot of data. Just for example it will store lots about users and then things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar w...
How to determine whether a Pandas Column contains a particular value
...lar value. I tried to do this with if x in df['id'] . I thought this was working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data frame only containing entries matching the missing id df[df['id'] == 43] there are, o...
Can I simultaneously declare and assign a variable in VBA?
...
There is no shorthand in VBA unfortunately, The closest you will get is a purely visual thing using the : continuation character if you want it on one line for readability;
Dim clientToTest As String: clientToTest = clientsToTest(i)
Dim ...
Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
9 Answers
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NerdTree - Reveal file in tree
Is there a shortcut which reveal the current file in the NerdTree directory panel.
5 Answers
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How to debug JavaScript / jQuery event bindings with Firebug or similar tools?
...nts that were bound to particular elements, are not fired and simply stop working.
15 Answers
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