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Maven artifact and groupId naming
.... These are alright, but for those strange domain like xxx.tv, xxx.uk, xxx.cn, it does not make sense to name the groupId started with "tv.","cn.", the groupId should deliver the basic information of the project rather than the domain.
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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
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参考：
NoSQL开篇——为什么要使用NoSQL http://www.infoq.com/cn/news/2011/01/nosql-why/
mongodb手册 http://cn.docs.mongodb.org/manual/single/
原创文章，转载请注明： 转载自LANCEYAN.COM
mongodb集群
How to check if an object is a list or tuple (but not string)?
... tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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Uncatchable ChuckNorrisException
... to throw it. It's easy to create an exception that you can't throw: class cn extends exception{private cn(){}}
– John Dvorak
Dec 18 '12 at 20:55
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can't push to branch after rebase
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\
Using String Format to show decimal up to 2 places or simple integer
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An inelegant way would be:
var my = DoFormat(123.0);
With DoFormat being something like:
public static string DoFormat( double myNumber )
{
var s = string.Format("{0:0.00}", myNumber);
if ( s.EndsWith("00") )
{
return ((int)myNumber).ToString();
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How can you list the matches of Vim's search?
... " F6 will find the previous occurrence after vimgrep
map <F6> :cn!<CR>
" F8 search for word under the cursor recursively , :copen , to close -> :ccl
nnoremap <F8> :grep! "\<<cword>\>" . -r<CR>:copen 33<CR>
" omit a dir from all searche...
std::function vs template
Thanks to C++11 we received the std::function family of functor wrappers. Unfortunately, I keep hearing only bad things about these new additions. The most popular is that they are horribly slow. I tested it and they truly suck in comparison with templates.
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How do I return to an older version of our code in Subversion?
...e it backwards. It works in my end.
For instance:
svn merge -r 5616:5612 https://<your_svn_repository>/
It would contain a merged code back to former revision, then you could commit it.
share
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What is the facade design pattern?
...ble way.
The Facade design pattern simplifies the interface to a complex system; because it is usually composed of all the classes which make up the subsystems of the complex system.
A Facade shields the user from the complex details of the system and provides them with a simplified view of it w...