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Pointers vs. values in parameters and return values
...n doubt, use a pointer."
Slices, maps, channels, strings, function values, and interface values are implemented with pointers internally, and a pointer to them is often redundant.
Elsewhere, use pointers for big structs or structs you'll have to change, and otherwise pass values, because getting thi...
How to design a product table for many kinds of product where each product has many parameters
...stead, one table per product type, storing both common product attributes, and product-specific attributes.
Serialized LOB: One table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This...
Why is a round-trip conversion via a string not safe for a double?
Recently I have had to serialize a double into text, and then get it back. The value seems to not be equivalent:
3 Answers
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Android update activity UI from service
...tivity UI to show that info.
I did find https://github.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
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How to remove files that are listed in the .gitignore but still on the repository?
...ory without these files, I highly doubt there's an automatic way to do it.
And we all know that rewriting the history is bad, don't we? :)
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How do I include inline JavaScript in Haml?
...thJax.
You can use the plain filter to keep HAML from parsing the script and throwing an illegal nesting error:
%script{type: "text/x-mathjax-config"}
:plain
MathJax.Hub.Config({
tex2jax: {
inlineMath: [["$","$"],["\\(","\\)"]]
}
});
...
Git file permissions on Windows
I've read through a few questions regarding file permissions in Git and I'm still a bit confused. I've got a repo on GitHub forked from another. Post merge, they should be identical. However:
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Ubuntu rails install fails on zlib
...0 as my dev box; it's my first serious foray into Linux as a daily-use OS, and I'm having a hard time getting Rails going. I have followed a number of tutorials which all seem to work fine, but when I try and use gem install or gem update on anything, I get an error that looks like this:
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How can I give eclipse more memory than 512M?
I have following setup, but when I put 1024 and replace all 512 with 1024, then eclipse won't start at all. How can I have more than 512M memory for my eclipse JVM?
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Run a Java Application as a Service on Linux
I have written a Java server application that runs on a standard virtual hosted Linux solution. The application runs all the time listening for socket connections and creating new handlers for them. It is a server side implementation to a client-server application.
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