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Java Security: Illegal key size or default parameters?
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Most likely you don't have the unlimited strength file installed now.
You may need to download this file:
Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 6
Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 7 Download
Ja...
How to programmatically close a JFrame
...ow closing event to the Window. The ExitAction from Closing An Application allows you to add this functionality to a menu item or any component that uses Actions easily.
frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING));
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Null check in an enhanced for loop
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You should better verify where you get that list from.
An empty list is all you need, because an empty list won't fail.
If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this:
for( Object o : safe( list ) ) {
// do wh...
How to configure logging to syslog in Python?
...for logging, whether to /dev/log or localhost through the TCP stack. This allows the fully RFC compliant and featureful system logging daemon to handle syslog. This eliminates the need for the remote daemon to be functional and provides the enhanced capabilities of syslog daemon's such as rsyslog a...
Why cast unused return values to void?
...nce using the full static cast notation just feels like overkill here. Finally, if you're reviewing a coding standard or writing one, then it's also a good idea to explicitly state that calls to overloaded operators (not using function call notation) should be exempt from this too:
class A {};
A o...
How can I close a buffer without closing the window?
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I messed with this a bit and finally came up with:
:bp | sp | bn | bd
Here's the copy/paste version for key mapping:
:bp<bar>sp<bar>bn<bar>bd<CR>
I've tested it a fair bit and it works consistently in various conditions. When ...
How to get current working directory in Java?
... make passing in the directory to process very easy to do, and be able to fall back on user.dir if nothing was passed in.
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Why doesn't C# support the return of references?
...f (x > y)
return ref x;
else
return ref y;
}
and then call it with
int a = 123;
int b = 456;
ref int c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
I know empirically that it is possible to build a version of C# that supports these features because I hav...
Adding options to select with javascript
...2 to 100 in a select with id="mainSelect", because I do not want to create all of the option tags manually. Can you give me some pointers? Thanks
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Run a Java Application as a Service on Linux
...at runs on a standard virtual hosted Linux solution. The application runs all the time listening for socket connections and creating new handlers for them. It is a server side implementation to a client-server application.
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