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Please explain some of Paul Graham's points on Lisp
I need some help understanding some of the points from Paul Graham’s What Made Lisp Different .
4 Answers
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Absolute vs relative URLs
... leaking of information.
In the second example when putting your site live from the test environment it would mean all resources are still pointing to your test domain instead of your live domain.
So to answer your question about whether to use absolute or relative URLs: always use relative URLs (fo...
Difference between “on-heap” and “off-heap”
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from http://code.google.com/p/fast-serialization/wiki/QuickStartHeapOff
What is Heap-Offloading ?
Usually all non-temporary objects you allocate are managed by java's garbage collector. Although the VM does a decent job doi...
Java Regex Capturing Groups
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Thats a good explanation. So the reluctant starts from the left and just takes the minimum whereas with the greedy, it will take as much as possible (starting from the right), only stopping before the last digit to satisfy that condition. The third group takes the rest.
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performSelector may cause a leak because its selector is unknown
...round. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_controller, selector);
Or more tersely (though hard to read & without the guard):
SEL selector =...
BackgroundWorker vs background Thread
...d " event so that I can break out of the loop. This event is signaled when from my overridden Form.Dispose() .
11 Answers...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...beginner RoR programmer who's planning to deploy my app using Heroku. Word from my other advisor friends says that Heroku is really easy, good to use. The only problem is that I still have no idea what Heroku does...
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Use Font Awesome Icons in CSS
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You'll have to remove &#x from the beginning and ; from the end. The font-family name is FontAwesome
– Matthieu
Feb 19 '14 at 9:46
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Unloading classes in java?
...loader so that a desktop application can dynamically start loading classes from an AppServer I need to talk to. We did this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the classes dynamically at run ...
Why does cURL return error “(23) Failed writing body”?
...p -qs foo, as soon as grep has what it wants it will close the read stream from curl. cURL doesn't expect this and emits the "Failed writing body" error.
A workaround is to pipe the stream through an intermediary program that always reads the whole page before feeding it to the next program.
E.g.
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