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Add timestamps to an existing table
...pecified above, Rails will still treat these columns as timestamp columns, and update the values normally.
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External VS2013 build error “error MSB4019: The imported project was not found”
I am building a project through the command line and not inside Visual Studio 2013. Note, I had upgraded my project from Visual Studio 2012 to 2013. The project builds fine inside the IDE. Also, I completely uninstalled VS2012 first, rebooted, and installed VS2013. The only version of Visual Studio ...
Node.js create folder or use existing
I already have read the documentation of Node.js and, unless if I missed something, it does not tell what the parameters contain in certain operations, in particular fs.mkdir() . As you can see in the documentation, it's not very much.
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Collection versus List what should you use on your interfaces?
... the question as to why not List<T>, The reasons are future-proofing and API simplicity.
Future-proofing
List<T> is not designed to be easily extensible by subclassing it; it is designed to be fast for internal implementations. You'll notice the methods on it are not virtual and so can...
Find text string using jQuery?
... which you probably don't want. That's why most of the examples at jQuery and other places use $('div:contains("I am a simple string")')
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What is the difference between IQueryable and IEnumerable?
What is the difference between IQueryable<T> and IEnumerable<T> ?
13 Answers
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Is there a way to continue broken scp (secure copy) command process in Linux? [closed]
I am copying 7.5 GB file to a remote server using scp command. At some point in time file transfer breaks and I have to start all over again.
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Is there a performance impact when calling ToList()?
...uge list, copying chunks of memory is quite a fast operation to perform.
Handy tip, As vs To
You'll notice in LINQ there are several methods that start with As (such as AsEnumerable()) and To (such as ToList()). The methods that start with To require a conversion like above (ie. may impact perform...
Setting the MySQL root user password on OS X
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Try the command FLUSH PRIVILEGES when you log into the MySQL terminal. If that doesn't work, try the following set of commands while in the MySQL terminal
$ mysql -u root
mysql> USE mysql;
mysql> UPDATE user SET password=PASSWORD...
How do I get a class instance of generic type T?
... public void bar() {
// you can access the typeParameterClass here and do whatever you like
}
}
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