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What is the easiest way to push an element to the beginning of the array?
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How to check if a given directory exists in Ruby
...ll return true only if the file exists and is a directory.
As an aside, a more idiomatic way to write the method would be to take advantage of the fact that Ruby automatically returns the result of the last expression inside the method. Thus, you could write it like this:
def directory_exists?(dir...
Is there a way to specify an “empty” C# lambda expression?
...trees as it's got a statement body. See section 4.6 of the C# 3.0 spec for more details.)
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tomcat - CATALINA_BASE and CATALINA_HOME variables
...t helps to setup CATALINA_BASE that is separate from CATALINA_HOME.
When more than 1 instances of tomcat are running on same host
This helps have only 1 runtime of tomcat installation, with multiple CATALINA_BASE server configurations running on separate ports.
If any patching, or version upgrad...
How do I make the scrollbar on a div only visible when necessary?
...lpful. This solution works best if you don't have specific height/width (a more dynamic UI.)
– DoomGoober
Aug 15 at 18:16
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Best way to make Django's login_required the default
...ne fit, you may choose to modify the middleware to suit your circumstances more closely.
What I like about this approach - besides removing the necessity of littering the codebase with @login_required decorators - is that if the authentication scheme changes, you have one place to go to make global...
How can Bash execute a command in a different directory context?
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How to test an Android Library Project
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Best way to test if a generic type is a string? (C#)
...teTime, Char, and String, so you can check for primitive types using this. More info on "Generic Type Checking".
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