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boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...自boost文档
template<typename Tag,typename MultiIndexContainer>
void print_out_by( const MultiIndexContainer& s )
{
/* obtain a reference to the index tagged by Tag */
const typename boost::multi_index::index<MultiIndexContainer,Tag>::type& i = get<Tag>(s);
t...
Move window between tmux clients
...ve the form: session:window.pane (session and window can be either name or id).
So, supposing you have an 'chat' session with an 'irc' window and want to move it to the 'other_session' session you can do (in the tmux prompt):
move-window -s chat:irc -t other_session
If you are already in the chat...
Why does “_” (underscore) match “-” (hyphen)?
... afaik this is only relevant when you are in a pattern context. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it s...
SQL SELECT speed int vs varchar
...your (say) 8-byte ints are longer than ascii varchars holding some textual IDs of avg length 3-4 chars. So, this answer - being imprecise and lacking any specific context or experimental results - doesn't really answer the question. Everyone knows that varchars are allowed to take much more space th...
how to replicate pinterest.com's absolute div stacking layout [closed]
... would like the results sorted left to right. Any direction you could provide to make it myself would be greatly appreciated.
...
How do I detect “shift+enter” and generate a new line in Textarea?
Currently, if the person presses enter inside the text area, the form will submit.
Good, I want that.
13 Answers
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Why use the SQL Server 2008 geography data type?
...eography type stored in SQL Server is also stored with a Spatial Reference ID. These id's can be of different spheres (the earth is 4326). This means that the calculations in SQL Server will actually calculate correctly over the surface of the earth (instead of as-the-crow-flies which could be thr...
List View Filter Android
I have created a list view in android and I want to add edit text above the list and when the user enter text the list will be filtered according to user input
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How to dynamically compose an OR query filter in Django?
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Thanks! This was what I was looking for :) Didn't know you could do |=
– Jack Ha
May 12 '09 at 12:43
23
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What are 'get' and 'set' in Swift?
... = myTriangle.perimeter
... Which calls this:
get{
return 3.0 * self.sideLength
}
And thus it's essentially like if the calling controller did this:
let someVar = 3.0 * myTriangle.sideLength
When you set the variable from another object, it looks like this:
myTriangle.perimeter = 100
Which ...