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How to form tuple column from two columns in Pandas
I've got a Pandas DataFrame and I want to combine the 'lat' and 'long' columns to form a tuple.
4 Answers
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How can I check for an empty/undefined/null string in JavaScript?
...ng the === operator (so that you know that it is, in fact, a string you're comparing against).
if (strValue === "") {
//...
}
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How to write header row with csv.DictWriter?
...eaders)
for row in dr:
dw.writerow(row)
As @FM mentions in a comment, you can condense header-writing to a one-liner, e.g.:
with open(outfile,'wb') as fou:
dw = csv.DictWriter(fou, delimiter='\t', fieldnames=dr.fieldnames)
dw.writerow(dict((fn,fn) for fn in dr.fieldnames))
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Any reason why scala does not explicitly support dependent types?
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Syntactic convenience aside, the combination of singleton types, path-dependent types and implicit values means that Scala has surprisingly good support for dependent typing, as I've tried to demonstrate in shapeless.
Scala's intrinsic support for dependent...
JSON parsing using Gson for Java
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Al I the only one who thinks Gson overcomplicates things 98% of the time? A simple JSONObject would do, but we all hate try/catch that much?
– tricknology
Jan 18 '17 at 8:39
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Difference between WebStorm and PHPStorm
...u should train your search-fu twice as harder.
FROM: http://www.jetbrains.com/phpstorm/
NOTE: PhpStorm includes all the functionality of WebStorm (HTML/CSS Editor, JavaScript Editor) and adds full-fledged support for PHP and Databases/SQL.
Their forum also has quite few answers for such quest...
What's invokedynamic and how do I use it?
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It is a new JVM instruction which allows a compiler to generate code which calls methods with a looser specification than was previously possible -- if you know what "duck typing" is, invokedynamic basically allows for duck typing. There's not too much you as a Java p...
How to replace captured groups only?
...ssible in a replace with a $, so the first word (\w+) is in a group, and becomes $1, the middle part (\d+) is the second group, (but gets ignored in the replace), and the third group is $3. So when you give the replace string of "$1!new_ID!$3", the $1 and $3 are replaced automagically with the first...
“git pull” or “git merge” between master and development branches
...od article on using rebase, even merging after resolving conflicts: github.com/everpix/Everpix-Intelligence
– Ian Lotinsky
Jan 11 '14 at 1:32
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