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How expensive is RTTI?
...where I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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What do Clustered and Non clustered index actually mean?
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With a clustered index the rows are stored physically on the disk in the same order as the index. Therefore, there can be only one clustered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered ind...
How to prevent SIGPIPEs (or handle them properly)
I have a small server program that accepts connections on a TCP or local UNIX socket, reads a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and m...
What is the best practice for dealing with passwords in git repositories?
...he password info from a configuration file. If your configuration file is called foobar.config, then you would commit a file called foobar.config.example to the repository, containing sample data. To run your program, you would create a local (not tracked) file called foobar.config with your real pa...
How do you run JavaScript script through the Terminal?
...d efficient, perfect for data-intensive real-time applications that run across distributed devices.
Using terminal you will be able to start it using node command.
$ node
> 2 + 4
6
>
Note: If you want to exit just type
.exit
You can also run a JavaScript file like this:
node file.js
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Is Mono ready for prime time? [closed]
...s it take a lot of effort to port projects to the Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime?
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Write string to output stream
...ur OutputStream and then just call it's print(String):
final OutputStream os = new FileOutputStream("/tmp/out");
final PrintStream printStream = new PrintStream(os);
printStream.print("String");
printStream.close();
share
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MySQL root access from all hosts
I've installed MySQL server on a remote Ubuntu machine. The root user is defined in the mysql.user table this way:
9 An...
What is a Windows Handle?
...st be pointers. A handle could also just be a simple integer (which could possibly be used by some Win32 API as an index into an array).
HANDLEs are intentionally opaque representations that provide encapsulation and abstraction from internal Win32 resources. This way, the Win32 APIs could potentia...
What is Eclipse's Ctrl+O (Show Outline) shortcut equivalent in IntelliJ IDEA?
... See for more shortcuts. At StackOverflow : What are the most useful Intellij IDEA keyboard shortcuts? AT stackoverflow.com/questions/294167/…
– Rites
Dec 22 '09 at 9:40
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