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TeXLive install all packages using command line tlmgr
sudo tlmgr install scheme-full See: https://www.tug.org/texlive/pkginstall.html
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Docker Postgres “PANIC: could not locate a valid checkpoint record”
It seemed that my Postgres database was not properly shut down when rebooting and when I tried to use docker-compose to start it again, the…
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Be careful with market orders
I was testing my algorithmic trading program just now, and experienced an very important issue with market orders. TL;DR DO NOT USE MARKET ORDERS UNLESS…
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Exporting and Importing Elasticsearch Indicies
In my project I need to run some local tests with data from a production elasticsearch cluster, so I exported data from the production server…
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Installing Theano and CUDA on Mac OS X
I started trying Theano today and wanted to use the GPU (NVIDIA GeForce GT 750M 2048 MB) on my Mac. Here’s a brief instruction on…
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The plethora of opportunities
For most of us, we live in a society with abundant resources: delicious food to taste, delicate clothes to put on, various activities to attend to,…
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Migrating/Installing Prestashop to Amazon AWS EC2
Recently I migrated a Prestashop website to AWS/EC2 and the process is quite smooth. Here’s how to do it. 1. Get your Website data: including…
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Luxembourg at first glance
Now it’s been two weeks since I arrived at Luxembourg. In general the experience has been positive, except that it’s been raining for a consecutive…
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OSX Yosemite cannot boot when TRIM is enabled on third-party SSD
After upgrading my MBP to OSX Yosemite and enabling TRIM, the computer cannot boot into the system after restart. It stuck with a no-entry sign. You…
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WordPress pages load very slowly after Google is blocked
After Google is completely blocked in China since May 31, I’ve had problems loading my website. After some investigation I found out the problem lies…