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Why would I ever use push_back instead of emplace_back?

...nteed by the standard that emplace_back works even for elements inside the range. – David Stone Aug 7 '15 at 0:28 ...
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How do I associate file types with an iPhone application?

... 0 0:00:01 0:00:01 --:--:-- 28926 $ cat headers HTTP/1.1 200 OK accept-ranges: bytes cache-control: max-age=0 content-disposition: attachment; filename="123.icz" Content-Type: text/calendar Date: Fri, 24 May 2013 17:41:28 GMT etag: 872926d pragma: public Server: nginx x-dropbox-request-id: 13bd3...
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When should I really use noexcept?

...rick still obeys the Zero-Cost model. That is, it just so happens that the range of instructions within the noexcept functions is mapped to call std::terminate if throw is used instead of the stack unwinder. I therefore doubt it has more overhead that regular exception tracking. ...
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ReadOnlyCollection or IEnumerable for exposing member collections?

...ethod is optimized for Collections casted into IEnumerables, but not for a ranges produced by Skip(0) – shojtsy Feb 1 '10 at 23:45 6 ...
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Data structure: insert, remove, contains, get random element, all at O(1)

...acity(), but crucially this is typically kept in a constant multiplicative range by a hash-table implementation (e.g. the table may be kept larger than its current contents by say 1.2x to ~10x depending on performance/memory tuning). This means on average we can expect to search 1.2 to 10 buckets -...
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getViewTypeCount and getItemViewType methods of ArrayAdapter

...ocumentation gives us a Note as follows: Note: Integers must be in the range 0 to getViewTypeCount() - 1. IGNORE_ITEM_VIEW_TYPE can also be returned. So in your getItemViewType() you should return values for the View Type, starting from 0, to the last type as (number of types - 1). For examp...
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What are the differences between poll and select?

... has to be large enough to accomodate that highest descriptor — so whole ranges of hundreds of bits will be unset that the operating system has to loop across on every select() call just to discover that they are unset. Once select() returns, the caller has to loop over all three bitmasks to deter...
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Common MySQL fields and their appropriate data types

... won't make more than 32000 entries. Almost everything else is varchar(n) ranging from 20 to 200, depending on what you wanna store (Birthdays, comments, emails, really long names). That is really dependent on what kind of stuff you're storing. The Numbers table is where I deviate from that. I s...
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Reordering of commits

...e "a" as the base. Git will present you with a list of the commits in this range. Reorder them and tell git to squash the appropriate ones: pick c ... pick a ... squash d ... squash e ... squash g ... pick b squash f Now the history should look like this: c - [a+d+e+g] - [b+f] (branchA) /...
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CSS last-child selector: select last-element of specific class, not last child inside of parent?

...-last-child). Most only know this selector by its first argument to grab a range of items based on a calculation with n, but it can also take a second argument "of [any CSS selector]". Your scenario could be solved with this selector: .commentList .comment:nth-last-child(1 of .comment) But being t...