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How to import CSV file data into a PostgreSQL table?
...re's some code that shows you how to set various options:
# Set it so the raw sql output is logged
import logging
logging.basicConfig()
logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
df.to_sql("my_table_name2",
engine,
if_exists="append", #options are ‘fail...
Checkout one file from Subversion
.../) repository, and it looks the newest websvn interfaces doesn't provide a raw file download (or we have it mis-configured or I am blind). Easier to do this way than checkout+up just for downloading a file.
– ribamar
Nov 27 '15 at 11:10
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Why can't I inherit static classes?
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@KonradMorawski It's impossible to write extension methods for static classes. stackoverflow.com/questions/249222/…
– Martin Braun
Jul 16 '14 at 10:19
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Can I use assert on Android devices?
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See the Embedded VM Control document (raw HTML from the source tree, or a nicely formatted copy).
Basically, the Dalvik VM is set to ignore assertion checks by default, even though the .dex byte code includes the code to perform the check. Checking assertions i...
What is BSON and exactly how is it different from JSON?
...creating indexes on top of values that resides inside the JSON document in raw format. This helps in running efficient analytical queries as NoSQL system were known for having no support for Indexes.
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How to use Sublime over SSH
...stall the 'subl' shell command):
sudo wget -O /usr/local/bin/subl https://raw.github.com/aurora/rmate/master/rmate; sudo chmod +x /usr/local/bin/subl
And voila! You're now using Sublime Text over SSH.
You can open an example file in Sublime Text from the server with something like subl ~/test.t...
Why does Python code use len() function instead of a length method?
...ike x*(a+b) into xa + xb to the clumsiness of doing the same thing using a raw OO notation.
(b) When I read code that says len(x) I know that it is asking for the length of something. This tells me two things: the result is an integer, and the argument is some kind of container. To the contrary, whe...
What is the difference between instanceof and Class.isAssignableFrom(…)?
...Note
Originally this post was doing its own benchmark using a for loop in raw JAVA, which gave unreliable results as some optimization like Just In Time can eliminate the loop. So it was mostly measuring how long did the JIT compiler take to optimize the loop: see Performance test independent of th...
Git branching: master vs. origin/master vs. remotes/origin/master
...HEAD": the transfer protocols can't send an indirect branch at all, just a raw SHA-1, so git has a kludge that makes this "mostly work". Every once in a while someone stumbles across a weird case though. I kind of wish git did not create remotes/origin/HEAD at all, especially when it comes out wro...
Unmangling the result of std::type_info::name
...table. In MSVC++, name() is the undecorated name, and you have to look at raw_name() to get the decorated one.
Just a stab in the dark here, but under gcc, you might want to look at demangle.h
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