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Why does pattern matching in Scala not work with variables?
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What you're looking for is a stable identifier. In Scala, these must either start with an uppercase letter, or be surrounded by backticks.
Both of these would be solutions to your problem:
def mMatch(s: String) = {
val target: String = "a"
s match {
case `target` => p...
How to change a span to look like a pre with CSS?
... it possible to to change a <span> tag (or <div> ) to preformat its contents like a <pre> tag would using only CSS?
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Browsing Folders in MSYS
This will be the toughest question of the day. How do I navigate through my Windows folder structure within the MSYS shell? When I start the shell, all I see is a '~'. I type 'ls' and the folder is empty. I just want to know how to get to my c drive.
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Storing a Map using JPA
I am wondering if it is possible using annotations to persist the attributes map in the following class using JPA2
2 Answ...
What's invokedynamic and how do I use it?
...keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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How do I disable a Pylint warning?
I'm trying to disable warning C0321 ("more than one statem>me m>nt on a single line" -- I often put if statem>me m>nts with short single-line results on the sam>me m> line), in Pylint 0.21.1 (if it matters: astng 0.20.1, common 0.50.3, Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)).
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Add column to SQL Server
I need to add a column to my SQL Server table. Is it possible to do so without losing the data, I already have?
5 Answers...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
Should I define a separate index on the email column (for searching purposes), or is the index is "automatically" added along with UNIQ_EMAIL_USER constraint?
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m>Me m>rging without whitespace conflicts
I've got a problem where I've got a large commit which changes about a thousand lines of code, removing whitespace from the end of lines and removing spaces before tabs.
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Creating a directory in CMake
In CMake, I want to create a directory if it doesn't already exist. How can I do this?
3 Answers
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