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redirect COPY of stdout to log file from within bash script itself
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#!/usr/bin/env bash
# Redirect stdout ( > ) into a named pipe ( >() ) running "tee"
exec > >(tee -i logfile.txt)
# Without this, only stdout would be captured - i.e. your
# log file would not contain any error messages....
How do I run a node.js app as a background service?
Since this post has gotten a lot of attention over the years, I've listed the top solutions per platform at the bottom of this post.
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Mongod complains that there is no /data/db folder
I am using my new mac for the first time today. I am following the get started guide on the mongodb.org up until the step where one creates the /data/db directory. btw, I used the homebrew route.
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How to return an empty ActiveRecord relation?
If I have a scope with a lambda and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
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Combine the first two commits of a Git repository?
Suppose you have a history containing the three commits A, B and C :
8 Answers
8
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How to implement a ViewPager with different Fragments / Layouts
...ewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1).
6 Answers
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Is GridFS fast and reliable enough for production?
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I use gridfs at work on one of our servers which is part of a price-comparing website with honorable traffic stats (arround 25k visitors per day). The server hasn't much ram, 2gigs, and even the cpu isn't really fast (Core 2 duo 1.8Ghz) but the server has plenty storage space : 10Tb (sata) in raid ...
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...tement, with all its parameters bound (e.g. no %s or other variables waiting to be bound by the statement compiler or MySQLdb dialect engine, etc).
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Copy values from one column to another in the same table
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Short answer for the code in question is:
UPDATE `table` SET test=number
Here table is the table name and it's surrounded by grave accent (aka back-ticks `) as this is MySQL convention to escape keywords (and TABLE is a keyword in that case).
BEWA...
Send file using POST from a Python script
Is there a way to send a file using POST from a Python script?
8 Answers
8
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