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When to add what indexes in a table in Rails
I have a question about Rails database.
3 Answers
3
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Node.js create folder or use existing
...m install mkdirp
Use it to run function that requires the directory. Callback is called after path is created or if path did already exists. Error err is set if mkdirp failed to create directory path.
var mkdirp = require('mkdirp');
mkdirp('/tmp/some/path/foo', function(err) {
// path exist...
Iterate two Lists or Arrays with one ForEach statement in C#
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This is known as a Zip operation and will be supported in .NET 4.
With that, you would be able to write something like:
var numbers = new [] { 1, 2, 3, 4 };
var words = new [] { "one", "two", "three", "four" };
var numbersAndWords = numbers.Zip(words, (n, w) =>...
In Scala how do I remove duplicates from a list?
... for Seq,
scala> dirty.distinct
res0: List[java.lang.String] = List(a, b, c)
Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element order. You may want to use a Set implementation that explicitly does pres...
Run all SQL files in a directory
I have a number of .sql files which I have to run in order to apply changes made by other developers on an SQL Server 2005 database.
The files are named according to the following pattern:
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Ruby optional parameters
If I define a Ruby functions like this:
8 Answers
8
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How do I call a dynamically-named method in Javascript?
I am working on dynamically creating some JavaScript that will be inserted into a web page as it's being constructed.
9 An...
iPhone Safari Web App opens links in new window
I have problem with web after adding icon to Home Screen. If the web is launched from Home Screen, all links will open in new window in Safari (and lose full screen functionality). How can I prevent it? I couldn't find any help, only the same unanswered question.
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Installing a local module using npm?
I have a downloaded module repo, I want to install it locally, not globally in another directory?
7 Answers
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Is there a way to get colored text in Github Flavored Markdown? [duplicate]
I need to document a library on github that output colored text in the terminal.
5 Answers
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