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Run a PostgreSQL .sql file using command line arguments

...et the PGPASSWORD environment variable. For details see the manual: http://www.postgresql.org/docs/current/static/libpq-envars.html Use a .pgpass file to store the password. For details see the manual: http://www.postgresql.org/docs/current/static/libpq-pgpass.html Use "trust authentication" for tha...
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Logical operators for boolean indexing in Pandas

...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
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Change a Rails application to production

...erver (CentOS 6, but it should apply to nearly all Linux flavors): https://www.digitalocean.com/community/tutorials/how-to-setup-a-rails-4-app-with-apache-and-passenger-on-centos-6 Make absolute certain that after Passenger is set up you've edited the /etc/httpd/conf/httpd.conf file to reflect your ...
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File name? Path name? Base name? Naming standard for pieces of a path

...yself :-) – blinry Feb 14 '14 at 14:04 1 For 1. (file name only without extension), I decided to ...
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Accessing inactive union member and undefined behavior?

...val]. – user743382 Sep 14 '14 at 10:04 2 @Omnifarious: That would make sense, though it would als...
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AWK: Access captured group from line pattern

... You can use GNU awk: $ cat hta RewriteCond %{HTTP_HOST} !^www\.mysite\.net$ RewriteRule (.*) http://www.mysite.net/$1 [R=301,L] $ gawk 'match($0, /.*(http.*?)\$/, m) { print m[1]; }' < hta http://www.mysite.net/ ...
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Using the rJava package on Win7 64 bit with R

... versions do not work! Mirrors are not up-to-date, so go to the source at www.rforge.net: http://www.rforge.net/rJava/files/. Note the advice there “Please use `install.packages('rJava',,'http://www.rforge.net/')` to install.” That is almost correct. This actually works: install.packages(...
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MySQL Insert into multiple tables? (Database normalization?)

...(userid, bio, homepage) VALUES(LAST_INSERT_ID(),'Hello world!', 'http://www.stackoverflow.com'); COMMIT; Have a look at LAST_INSERT_ID() to reuse autoincrement values. Edit: you said "After all this time trying to figure it out, it still doesn't work. Can't I simply put the just generated ID i...
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Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into

...enting the solution yourself: Here's a simple SVG: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"> <text x="0" y="14">????</text> </svg> And here's the same SVG as a Data URI: data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200...
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How to send PUT, DELETE HTTP request in HttpURLConnection?

... To perform an HTTP PUT: URL url = new URL("http://www.example.com/resource"); HttpURLConnection httpCon = (HttpURLConnection) url.openConnection(); httpCon.setDoOutput(true); httpCon.setRequestMethod("PUT"); OutputStreamWriter out = new OutputStreamWriter( httpCon.getOut...