... I know this is an old query, but I was just reading and thought I'd add what I found elsewhere: mysqli in PHP 5 is an ojbect with some good functions that will allow you to speed up the insertion time for the answer above: $mysqli->autocommit(FALSE); $mysqli->m...

... @Karu: I've read that. It seems there are other passages in the spec, which allows const non-POD object to get initialized by calling default-constructor generated by compiler. – Nawaz Sep 14 '11 a...

...it doesn't check if y is 7, because it knows that the condition is false already. (This is called short-circuiting.) Generally people use the short-circuiting method if there's a reason to explicitly not check the second part if the first part is not true, such as if it would throw an exception if ...

... Didn't quite understand the paper until I read this. Now it makes sense. – josiah Dec 9 '14 at 22:00 5 ...

I was recently reading some code that uses a lot of async methods, but then sometimes needs to execute them synchronously. The code does: ...

...ocess p = subprocess.Popen(["pwd"], stdout=subprocess.PIPE) out = p.stdout.read() print out Or as a function (using shell=True was required for me on Python 2.6.7 and check_output was not added until 2.7, making it unusable here): def system_call(command): p = subprocess.Popen([command], stdo...

...ile for some data might become I/O bound, since the bottleneck is then the reading of the data from disk (actually, this example is perhaps kind of old-fashioned these days with hundreds of MB/s coming in from SSDs). share ...

...: Hash tables in general have better cache behavior requiring less memory reads compared to a binary tree. For a hash table you normally only incur a single read before you have access to a reference holding your data. The binary tree, if it is a balanced variant, requires something in the order of...

...single connection (or single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this always happens is when ...

..."parent".) In these situations the given answer will not work. After much reading and experimentation, it turns out there is a way to use the Versions Maven Plugin to update not only the aggregator POM but also all aggregated modules as well; it is the processAllModules option. The following comman...