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How to generate a random string in Ruby
I'm currently generating an 8-character pseudo-random uppercase string for "A" .. "Z":
50 Answers
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How do I change the value of a global variable inside of a function
I am using JavaScript and I create a global variable. I define it outside of a function and I want to change the global variable value from inside a function and use it from another function, how do I do this?
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The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value
...bject that has only been populated with data in the form (headline, story, and image). ApplyPropertyChanges applies changes to all properties of the object, including your uninitialized DateTime, which is set to 0001-01-01, which is outside of the range of SQL Server's DATETIME.
Rather than using ...
What is the boundary in multipart/form-data?
...As you can see, the server knows that parameters are separated by an ampersand &. If & is required for a parameter value then it must be encoded.
So how does the server know where a parameter value starts and ends when it receives an HTTP request using multipart/form-data?
Using the bounda...
How do I uninstall a package installed using npm link?
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The package can be uninstalled using the same uninstall or rm command that can be used for removing installed packages. The only thing to keep in mind is that the link needs to be uninstalled globally - the --global flag needs to be provided.
In order to uninstall the globally linked foo p...
Where can I find the IIS logs?
... exactly as explained in their install guide, but am having some problems, and would like to see what the IIS log has to say. Embarrassingly enough, the problem is I can't find the log files!
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What does __FILE__ mean in Ruby?
... file foo.rb, __FILE__ would be interpreted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
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How to select only the first rows for each unique value of a column
...P BY
CName
) foo
JOIN
MyTable M ON foo.CName = M.CName AND foo.First = M.Inserted
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iOS Equivalent For Android Shared Preferences
I am porting an Android app to iOS, one thing I used was the Shared Preferences in Android to save each time a level was complete.
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Wrap long lines in Python [duplicate]
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Actually, the "\" is redundant and can be omitted.
– Daniel Reis
Jan 7 '13 at 17:19
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