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What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
18
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To prevent a memory leak, the JDBC Driver has been forcibly unregistered
...s /lib. If you still keep it in webapp's /WEB-INF/lib, then you should manually register and deregister it using a ServletContextListener.
Downgrade to Tomcat 6.0.23 or older so that you will not be bothered with those warnings. But it will silently keep leaking memory. Not sure if that's good to kn...
Using Version Control for Home Development?
...rk methodology associated with using source control prepares you professionally.
Storage efficiency. Current source control systems store revisions as a delta difference to the previous revision. This means that it is more disk efficient as the entire file is not stored but only the differences.
You...
How can I see the size of files and directories in linux? [closed]
... files and directories in Linux? If use df -m , then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I check the size?
...
C#: List All Classes in Assembly
I'd like to output (programmatically - C#) a list of all classes in my assembly.
2 Answers
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JSON, REST, SOAP, WSDL, and SOA: How do they all link together
...ntly doing some exams and I'm struggling through some concepts. These have all been 'mentioned' in my notes really but I didn't really understand how they all linked together. As far as my understanding is:
...
Center/Set Zoom of Map to cover all visible Markers?
I am setting multiple markers on my map and I can set statically the zoom levels and the center but what I want is, to cover all the markers and zoom as much as possible having all markets visible
...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
....
I've been playing with the build path to no success.
Step #1: Undo all that. If you are messing with the build path, on R16 or higher version of the ADT plugin for Eclipse, you're doing it wrong.
Step #2: Pick one of those two versions of the JAR, or pick the one from the "extras" area of y...
Row count with PDO
... question, the only reason mysql_num_rows() worked is because it was internally fetching all the rows to give you that information, even if it didn't seem like it to you.
So in PDO, your options are:
Use PDO's fetchAll() function to fetch all the rows into an array, then use count() on it.
Do an ex...
Get a list of all the files in a directory (recursive)
... file ->
list << file
}
Afterwards the list variable contains all files (java.io.File) of the given directory and its subdirectories:
list.each {
println it.path
}
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