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size_t vs. uintptr_t
...any pointer type."
This is actually a fallacy (a misconception resulting from incorrect reasoning)(a). You may think the latter follows from the former but that's not actually the case.
Pointers and array indexes are not the same thing. It's quite plausible to envisage a conforming implementation...
ConcurrentHashMap vs Synchronized HashMap
...gh concurrent executions.
So, multiple threads can get/put key-value pairs from ConcurrentHashMap without blocking/waiting for each other.
This is implemented for higher throughput.
whereas
Collections.synchronizedMap(), we get a synchronized version of HashMap and it is accessed in blocking manne...
What's the best way to learn LISP? [closed]
...way. PCL has the advantage that experienced programs can start using Lisp from day 1, instead of just being mesmorized
– Aaron
Jan 2 '09 at 20:17
add a comment
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What does string::npos mean in this code?
...rtunately, these maximum
values differ. In fact, (unsigned long)-1 differs from (unsigned short)-1 if the size of the
types differs. Thus, the comparison
idx == std::string::npos
might yield false if idx has the value -1 and idx and string::npos have different types:
std::string s;
...
int idx =...
Regex Match all characters between two strings
...day that is the only one that made me twitch. :) I softened the first line from is incorrect to doesn't seem quite correct to me... Hope that doesn't make you twitch, probably just a difference of perception about what the regex for such a high-traffic answer should be.
– zx81
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Get user profile picture by Id
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From the Graph API documentation.
/OBJECT_ID/picture returns a redirect to the object's picture (in this case the users)
/OBJECT_ID/?fields=picture returns the picture's URL
Examples:
<img src="https://graph.facebook.com...
How do I get the Git commit count?
...ommit> :
List commits that are reachable by following the parent links from the given commit (in this case, HEAD).
--count : Print a number stating how many commits would have been listed, and suppress all other output.
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What does the property “Nonatomic” mean?
... @Wish Non-atomic accessors can be faster because to prevent other threads from reading/writing at the same time, you need to hold a mutex or do some other low-level tricks which cost CPU time. If you're using a lock, you can also end up blocking on other threads, which takes time, too.
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Conversion of System.Array to List
...ad dream that the following was impossible. But in the same dream, someone from SO told me otherwise. Hence I would like to know if it it possible to convert System.Array to List
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Convert javascript array to string
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Converting From Array to String is So Easy !
var A = ['Sunday','Monday','Tuesday','Wednesday','Thursday']
array = A + ""
That's it Now A is a string. :)
shar...