大约有 48,000 项符合查询结果（耗时：0.0762秒） [XML]
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
I have read many posts on SO and the web regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the r...
insert vs emplace vs operator[] in c++ map
I'm using maps for the first time and I realized that there are many ways to insert an element. You can use emplace() , operator[] or insert() , plus variants like using value_type or make_pair . While there is a lot of information about all of them and questions about particular cases, I sti...
Do you (really) write exception safe code? [closed]
Exception handling (EH) seems to be the current standard, and by searching the web, I can not find any novel ideas or methods that try to improve or replace it (well, some variations exist, but nothing novel).
...
Converting a list to a set changes element order
...at when I am converting a list to set the order of elements is changed and is sorted by character.
11 Answers
...
Generic List - moving an item within the list
So I have a generic list, and an oldIndex and a newIndex value.
10 Answers
10
...
How do you render primitives as wireframes in OpenGL?
...
glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
to switch on,
glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
to go back to normal.
Note that things like texture-mapping and lighting will still be applied to the wireframe lines if they're enabled, w...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
...have an application that uses GUID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, but...
Working with huge files in VIM
...e vim LargeFile plugin did not work for me. It still used up all my memory and then printed an error message :-(. I could not use hexedit for either, as it cannot insert anything, just overwrite. Here is an alternative approach:
You split the file, edit the parts and then recombine it. You still ne...
Regex to validate password strength
...ex. To many times I use complex regex that I found, without really understanding what is going on.
– Nicholas Smith
Jan 27 '14 at 17:54
5
...
How can I tell if one commit is a descendant of another commit?
...t way would be to git checkout -b quickcheck <more-recent-commit-ID> and then git branch --contains <older-commit-ID> (and then git branch -D quickcheck to get rid of the temporary branch).
– clee
Jun 10 '10 at 20:23
...