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When to use lambda, when to use Proc.new?
In Ruby 1.8, there are subtle differences between proc/lambda on the one hand, and Proc.new on the other.
14 Answers
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Signal handling with multiple threads in Linux
...useful:
/*
* Now find a thread we can wake up to take the signal off the queue.
*
* If the main thread wants the signal, it gets first crack.
* Probably the least surprising to the average bear.
*/
if (wants_signal(sig, p))
t = p;
else if (!group || thread_group_empty(p))
/*
...
Approximate cost to access various caches and main memory?
... description (it clearly pertains to Nehalem as it speaks about the Global Queue which is a Nehalem feature). This Haswell paper has a better description (top right column of page 5)(tu-dresden.de/zih/forschung/ressourcen/dateien/…)
– Lewis Kelsey
Feb 6 '19 a...
How can I properly handle 404 in ASP.NET MVC?
I am using RC2
19 Answers
19
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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
My problem started off with me not being able to log in as root any more on my mysql install. I was attempting to run mysql without passwords turned on... but whenever I ran the command
...
Convert HTML to NSAttributedString in iOS
...edInteger:NSUTF8StringEncoding)]
dispatch_async(dispatch_get_main_queue()) {
if let attributedString = try? NSAttributedString(data: data, options: options, documentAttributes: nil) {
completionBlock(attributedString)
} else {
print("U...
How do I detect a click outside an element?
...rs a focusout event before triggering a focusin event again.
The fix is to queue the state change on the event loop. This can be done by using setImmediate(...), or setTimeout(..., 0) for browsers that don't support setImmediate. Once queued it can be cancelled by a subsequent focusin:
$('.submenu')...
What's the difference between a 302 and a 307 redirect?
What's the difference between a 302 FOUND and a 307 TEMPORARY REDIRECT HTTP response?
9 Answers
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Random record from MongoDB
...are valid, but for collections where neither matters (one-time server-side batch extract in a collection where records aren't deleted), this is vastly superior to the hacky (IMO) solution in the Mongo Cookbook.
– Michael Moussa
Sep 5 '12 at 16:27
...
Resizing UITableView to fit content
...not forget to run it in the main thread:
dispatch_async(dispatch_get_main_queue(), ^{
//This code will run in the main thread:
CGRect frame = self.tableView.frame;
frame.size.height = self.tableView.contentSize.height;
self.tableView.frame = frame;
});
...