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What are the main purposes of using std::forward and which problems it solves?
In perfect forwarding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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Sort JavaScript object by key
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The other answers to this question are outdated, never matched implementation reality, and have officially become incorrect now that the ES6/ES2015 spec has been published.
See the section on property iteration order in Exp...
Differences between Java 8 Date Time API (java.time) and Joda-Time
I know there are questions relating to java.util.Date and Joda-Time. But after some digging, I couldn't find a thread about the differences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time .
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Can I list-initialize a vector of move-only type?
If I pass the following code through my GCC 4.7 snapshot, it tries to copy the unique_ptr s into the vector.
5 Answers
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How to upload files to server using JSP/Servlet?
How can I upload files to server using JSP/Servlet? I tried this:
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Is gcc 4.8 or earlier buggy about regular expressions?
I am trying to use std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example:
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Filter rows which contain a certain string
I have to filter a data frame using as criterion those row in which is contained the string RTB .
4 Answers
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Possible to do a MySQL foreign key to one of two possible tables?
Well here's my problem I have three tables; regions, countries, states. Countries can be inside of regions, states can be inside of regions. Regions are the top of the food chain.
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Ignoring time zones altogether in Rails and PostgreSQL
I'm dealing with dates and times in Rails and Postgres and running into this issue:
2 Answers
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How do function pointers in C work?
I had some experience lately with function pointers in C.
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