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Hash collision in git
...f? Well the Moon is made up of about 1047 atoms. So if we have 10 Moons... and you randomly pick one atom on one of these moons... and then go ahead and pick a random atom on them again... then the likelihood that you'll pick the same atom twice, is the likelihood that two given git commits will hav...
What is trunk, branch and tag in Subversion? [duplicate]
What is a trunk, branch and tag in Subversion and what are the best practices to use them?
9 Answers
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...o do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation.
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How does TestFlight do it?
...they will start some kind of premium offering in the future. It's free now and the new SDK is really impressive. It can gather crash logs and usage information directly from your test clients and even symbolicate them if you are comfortable uploading your dsyms.
– Nick
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Why does Unicorn need to be deployed together with Nginx?
I would like to know the difference between Nginx and Unicorn. As far as I understand, Nginx is a web server while Unicorn is a Ruby HTTP server.
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Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
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What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh
I am going through some blogs on SpringSource and in one of the blogs, author is using @Inject and I suppose he can also use @Autowired .
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Java heap terminology: young, old and permanent generations?
I'm trying to understand What the concepts of young , old and permanent generations are in the Java heap terminology, and more specifically the interactions between the three generations.
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How can I do a line break (line continuation) in Python?
...g line of code that I want to break up among multiple lines. What do I use and what is the syntax?
10 Answers
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Saving and loading objects and using pickle
I´m trying to save and load objects using pickle module.
First I declare my objects:
7 Answers
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