...r The cost, however, is not trivial to measure: The side-table is generally cold, and thus fetching it from memory takes a long time Determining the right handler involves RTTI: many RTTI descriptors to fetch, scattered around memory, and complex operations to run (basically a dynamic_cast test ...

...ned, which means if the dialog is opened twice, the event handler will be called twice. – Elezar Apr 29 '14 at 23:32  |  show 9 more comments ...

... Consider adding the index to preallocate memory (see my answer) – FooBar Jul 23 '14 at 14:22 34 ...

How can I tell where g++ was able to find an include file? Basically if I 4 Answers 4...

...pending - Amortized O(1) (sometimes resizing the hashtable is required; usually only insertion is required) Prepending - O(n) via unshift, since it requires reassigning all the indexes Insertion - Amortized O(1) if the value does not exist. O(n) if you want to shift existing values (Eg, using splice...

I'm really trying to understand the difference between OpenID and OAuth? Maybe they're two totally separate things? 21 Answ...

It seems to me like when people talk about algorithm complexity informally, they talk about big-oh. But in formal situations, I often see big-theta with the occasional big-oh thrown in. I know mathematically what the difference is between the two, but in English, in what situation would using big-oh...

... mongod like this to avoid performance problems: numactl –interleave=all mongod [other options] 当时我并不太清楚NUMA是什么东西，所以没有处理，只是把问题反馈给了运维人员，后来知道运维人员也没有理会这茬儿，所以问题的序幕就这样拉开...

...s it take a lot of effort to port projects to the Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime? ...

...the web. Should I use one over the other? Is one just an extension? Do I really need to care that bad? 3 Answers ...