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What is causing “Unable to allocate memory for pool” in PHP?
...ccessed (let's say you have 70% of the cache that gets accessed all of the time like you want and have a big spike where a lot of extra infrequent files get added all at once), you are going to get errors thrown for TTL seconds. The cache is full, and you told APC that it shouldn't clear these entri...
How to initialize log4j properly?
After adding log4j to my application I get the following output every time I execute my application:
24 Answers
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round() for float in C++
...ince the release of C++11. This question was asked and answered in another time when life was hard and the joys were few. It remains here as an ode to heroes who lived and fought back then and for those poor souls who still are unable to use modern tools.
– Andreas Magnusson
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what is the difference between OLE DB and ODBC data sources?
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Actually sometimes OLE DB wraps the ODBC driver, sometimes it doesn't. See here
– bobobobo
Apr 11 '12 at 2:42
3
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System.currentTimeMillis vs System.nanoTime
What I would like to know is whether I should use System.currentTimeMillis() or System.nanoTime() when updating my object's positions in my game? Their change in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible.
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...ugh this can be optional depending on how big you are, but majority of the time it won't be. You will need one. The payment gateway vendors provide a way to talk to the Internet Gateway API that you will communicate with. Most vendors provide HTTP or TCP/IP communication with their API. They wil...
Set operations (union, intersection) on Swift array?
...ubtract(array2) // {"c"}
set1.exclusiveOr(array2) // {"c", "d"}
Swift 1.2+ can calculate on sets:
set1.union(set2) // {"a", "b", "c", "d"}
set1.intersect(set2) // {"a", "b"}
set1.subtract(set2) // {"c"}
set1.exclusiveOr(set2) // {"c", "d"}
If you're using custom structs, you n...
How to get number of entries in a Lua table?
...(or one of the table's field) for storing the count, and increase it every time you make an insertion.
count = 0
tbl = {}
tbl["test"] = 47
count = count + 1
tbl[1] = 48
count = count + 1
print(count) -- prints "2"
There's no other way, the # operator will only work on array-like tables with ...
Good PHP ORM Library?
...ackground. It works, don't get me wrong, but you will be spending a lot of time learning it and its nuances that frankly are very frustrating if you have large dependent datasets. Doctrine is in wide use, no doubt, but if I were selecting an ORM today, Doctrine would NOT be my first choice, or even ...
Processing $http response in service
... facing here at SO. As I couldn't send an actual $http request, I used timeout to simulate asynchronous behavior. Data binding from my model to view is working correct, with the help of @Gloopy
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