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Ruby Arrays: select(), collect(), and map()
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It looks like details is an array of hashes. So item inside of your block will be the whole hash. Therefore, to check the :qty key, you'd do something like the following:
details.select{ |item| item[:qty] != "" }
That will give you all items where the :qty key isn't an empty string.
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How can I write data in YAML format in a file?
I need to write the below data to yaml file using Python:
2 Answers
2
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Range references instead values
I saw that range returns the key and the "copy" of the value. Is there a way for that range to return the adress of the item? Example
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Ruby sleep or delay less than a second?
I'm making a script with ruby that must render frames at 24 frames per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for less than a second?
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Map to String in Java
When I do System.out.println(map) in Java, I get a nice output in stdout. How can I obtain this same string representation of a Map in a variable without meddling with standard output? Something like String mapAsString = Collections.toString(map) ?
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Exclude a sub-directory using find
I have directory structure like this
5 Answers
5
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Read Post Data submitted to ASP.Net Form
I have a working login form in an asp.net application. Standard stuff with a username and password text box and a button to process the login. Works fine.
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Build Maven Project Without Running Unit Tests
How do you build a Maven project without running unit tests?
7 Answers
7
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How to revert a folder to a particular commit by creating a patch
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You can use git checkout to update your repository to a specific state.
git checkout e095 -- somefolder
As for your question about generating the diff, that would work too. Just generate the diff to go from your current sta...
Build.scala, % and %% symbols meaning
...y! Framework 2.1 (java version) and have no experience with scala. I don't understand what are and what does % and %% mean in Build.scala. I googled about them but couldn't find their meaning.
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