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How many threads is too many?
...hread pool each time it receives a request. It is up to the thread pool to allocate a thread for the task when there is one available.
– GEOCHET
Jan 27 '09 at 1:41
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Version vs build in Xcode
...
OT: You have a leak in your method - you alloc/init the string, which retains the string, but you're not releasing it. On an object you return from a method, you should generally use a convenience method so the string is autoreleased automatically, or call autorelea...
Refresh image with a new one at the same url
... '<img src="image.jpg?m=' . filemtime('image.jpg') . '">';
(That's PHP server-side code, but the important point here is just that a ?m=[file last-modified time] querystring is appended to the filename).
Pros: 100% reliable, quick & easy to understand and implement, and preserves cachin...
Make .gitignore ignore everything except a few files
...rder:
For example, ignore everything in folder "application" except index.php and folder "config" pay attention to the order.
You must negate want you want first.
FAILS
application/*
!application/config/*
!application/index.php
WORKS
!application/config/*
!application/index.php
applicatio...
Why does this method print 4?
... to Java Virtual Machine Specifications for JAVA 6,
frames may be heap allocated.
So, when a frame is created, there should be enough heap space to create a stack frame and enough stack space to store the new reference which point to the new stack frame if the frame is heap allocated.
Now let...
C pointers : pointing to an array of fixed size
...sing technique is the dominance of naive approach to typing of dynamically allocated arrays. For example, if the program calls for fixed arrays of type char[10] (as in your example), an average developer will malloc such arrays as
char *p = malloc(10 * sizeof *p);
This array cannot be passed to a...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
In PHP, you can do...
62 Answers
62
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“Cross origin requests are only supported for HTTP.” error when loading a local file
... ... the Ruby Gods say this works as well:
ruby -run -e httpd . -p 8080
PHP
Of course PHP also has its solution.
php -S localhost:8000
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Is there a performance difference between i++ and ++i in C++?
... What the compiler can avoid is the second copy to return tmp, by allocating tmp in the caller, through NRVO, as mentioned by another comment.
– Blaisorblade
Jan 15 '09 at 0:13
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Difference between objectForKey and valueForKey?
...ntNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber *anAccountNumber = [NSNumber numberWith...