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How efficient can Meteor be while sharing a huge collection among many clients?
... using this.userId. The publish
function sends data into the merge box by calling this.added, this.changed and
this.removed. See the
full publish documentation for
more details.
Most publish functions don't have to muck around with the low-level
added, changed and removed API, though. If a publi...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and the service I'm making AJAX requests to is on 57124. This closed jquery bug defines the issue, but not a real fix.
...
Is PHP's count() function O(1) or O(n) for arrays?
...ll, we can look at the source:
/ext/standard/array.c
PHP_FUNCTION(count) calls php_count_recursive(), which in turn calls zend_hash_num_elements() for non-recursive array, which is implemented this way:
ZEND_API int zend_hash_num_elements(const HashTable *ht)
{
IS_CONSISTENT(ht);
return ...
CreateProcess error=206, The filename or extension is too long when running main() method
...an add useexternalfile="yes" to the Javadoc task, which is designed specifically to solve this problem.
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How would one call std::forward on all arguments in a variadic function?
...ompiler I would do this with real variadic templates. How though, would I call std::forward on the arguments?
1 Answer
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Will GetType() return the most derived type when called from the base class?
Will GetType() return the most derived type when called from the base class?
3 Answers
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How to clear an ImageView in Android?
...
I had a similar problem, where I needed to basically remove ImageViews from the screen completely. Some of the answers here led me in the right direction, but ultimately calling setImageDrawable() worked for me:
imgView.setImageDrawable(null);
(As mentioned in the co...
Can I call memcpy() and memmove() with “number of bytes” set to zero?
...s the length of the array for a
function, n can have the value zero on a call to that function. Unless explicitly stated
otherwise in the description of a particular function in this subclause, pointer arguments
on such a call shall still have valid values, as described in 7.1.4. On such a cal...
Convert a list to a data frame
...which in turn yields FALSE as its default.
Assuming your list of lists is called l:
df <- data.frame(matrix(unlist(l), nrow=length(l), byrow=T))
The above will convert all character columns to factors, to avoid this you can add a parameter to the data.frame() call:
df <- data.frame(matrix(un...
How can I open a URL in Android's web browser from my application?
...ed the http:// ! The URL is entered by the user, is there a way to automatically format?
– Arutha
Feb 4 '10 at 18:44
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