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What is hashCode used for? Is it unique?
I notice there is a getHashCode() method in every controls, items, in WP7, which return a sequence of number. Can I use this hashcode to identify an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specifi...
Declaring abstract method in TypeScript
I am trying to figure out how to correctly define abstract methods in TypeScript:
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
I've seen definitions in C
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Why always ./configure; make; make install; as 3 separate steps?
Every time you compile something from source, you go through the same 3 steps:
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Colors with unix command “watch”?
Some commands that I use display colors, but when I use them with watch the colors disappears:
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
In the header of a Bash script, what's the difference between those two statements:
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MongoDB Many-to-Many Association
How would you do a many-to-many association with MongoDB?
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Expand Python Search Path to Other Source
I have just joined a project with a rather large existing code base. We develop in linux and do not use and IDE. We run through the command line. I'm trying to figure out how to get python to search for the right path when I run project modules. For instance, when I run something like:
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Which kind of pointer do I use when?
Ok, so the last time I wrote C++ for a living, std::auto_ptr was all the std lib had available, and boost::shared_ptr was all the rage. I never really looked into the other smart pointer types boost provided. I understand that C++11 now provides some of the types boost came up with, but not all ...
Difference between solr and lucene
I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand what is the aim of each project.
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