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Multiple columns index when using the declarative ORM extension of sqlalchemy
According to the documentation and the comments in the sqlalchemy.Column class, we should use the class sqlalchemy.schema.Index to specify an index that contains multiple columns.
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Is it possible to assign numeric value to an enum in Java?
Is anything like this possible in Java? Can one assign custom numeric values to enum elements in Java?
5 Answers
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Adding code to a javascript function programmatically
I'm attempting to customize an existing JS library without modifying the original JS code. This code loads in a few external JS files which I do have access to, and what I'd like to do is change one of the functions contained in the original file without copying and pasting the whole thing into the...
Twitter Bootstrap: div in container with 100% height
Using twitter bootstrap (2), I have a simple page with a nav bar, and inside the container I want to add a div with 100% height (to the bottom of the screen). My css-fu is rusty, and I can't work this out.
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How to move a git repository into another directory and make that directory a git repository?
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It's very simple. Git doesn't care about what's the name of its directory. It only cares what's inside. So you can simply do:
# copy the directory into newrepo dir that exists already (else create it)
$ cp -r gitrepo1 newrepo
# remove .git from old repo to dele...
Difference between Select and ConvertAll in C#
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Select is a LINQ extension method and works on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any...
Remove non-numeric characters (except periods and commas) from a string
If I have the following values:
5 Answers
5
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Naming convention for Scala constants?
...he naming convention for Scala constants? A brief search on StackOverflow suggestions uppercase CamelCase (the first line below), but I wanted to double-check.
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instantiate a class from a variable in PHP?
I know this question sounds rather vague so I will make it more clear with an example:
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how to File.listFiles in alphabetical order?
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The listFiles method, with or without a filter does not guarantee any order.
It does, however, return an array, which you can sort with Arrays.sort().
File[] files = XMLDirectory.listFiles(filter_xml_files);
Arrays.sort(files);
for(File _xml_file : files) {
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