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Most efficient way to store thousand telephone numbers
... the data structure: the first is a constant for the first five digits (17 bits); so from here on, each phone number has only the remaining five digits left. We view these remaining five digits as 17-bit binary integers and store k of those bits using one method and 17 - k = m with a different metho...
What are some uses of decltype(auto)?
...rn type:
auto const& Example(int const& i)
{
return i;
}
but in generic code you want to be able to perfectly forward a return type without knowing whether you are dealing with a reference or a value. decltype(auto) gives you that ability:
template<class Fun, class... Args>
...
How do I use arrays in C++?
...ited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, when you ...
How can I recover a lost commit in Git?
First, got "your branch is ahead of origin/master by 3 commits" then my app has reverted to an earlier time with earlier changes.
...
The case against checked exceptions
For a number of years now I have been unable to get a decent answer to the following question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them).
...
.NET NewtonSoft JSON deserialize map to a different property name
...
Json.NET has a JsonPropertyAttribute which allows you to specify the name of a JSON property, so your code should be:
public class TeamScore
{
[JsonProperty("eighty_min_score")]
public string EightyMinScore { get; set; }
[JsonProperty("home_or_...
Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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Does it make any sense to use inline keyword with templates?
Since templates are defined within headers and compiler is able to determine if inlining a function is advantageous, does it make any sense? I've heard that modern compilers know better when to inline a function and are ignoring inline hint.
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Why is my Git Submodule HEAD detached from master?
I am using Git submodules. After pulling changes from server, many times my submodule head gets detached from master branch.
...
asynchronous vs non-blocking
What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls (with examples please)?
...