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Best way to add “current” class to nav in Rails 3
... view: <%= link_to "Users", users_path, class: (controller?("users") ? 'selected' : nil) %> Really neat that it works for both /users and /users/new.
– Andreas
Feb 8 '14 at 23:42
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Hibernate JPA Sequence (non-Id)
... an entity which has defined generated properties, it immediately issues a select afterwards to retrieve the generated values."
For properties generated on insert only, your property mapping (.hbm.xml) would look like:
<property name="foo" generated="insert"/>
For properties generated on i...
What do
...
@ebruchez: a use case is for encoding union types in unmodified scala, see milessabin.com/blog/2011/06/09/scala-union-types-curry-howard
– user4322779
May 20 '15 at 1:37
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拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...VCR也没能让电影院关门。
13。“如果让我用一句话总结如何改变世界，我会说，努力工作，为那些真正激动人心的事物。”
不是所有人都想要创造一辆无人驾驶车，或者清洁能源，或者解决十亿人的痛点。但在我内心，有一份...
How to move files from one git repo to another (not a clone), preserving history
...eve it will appear to have been created at the point it was moved into the selected subdirectory. If you want to select just one file, have a look at --index-filter in the filter-branch manpage.
– Cascabel
Apr 3 '12 at 16:48
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can we use xpath with BeautifulSoup?
...tree.HTMLParser()
tree = etree.parse(response, htmlparser)
tree.xpath(xpathselector)
There is also a dedicated lxml.html() module with additional functionality.
Note that in the above example I passed the response object directly to lxml, as having the parser read directly from the stream is more...
Database design for a survey [closed]
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I use Altova UModel. It's quick, offers a wide selection of modeling structures, and saves to pretty much every format. Though, it costs.
– obimod
Feb 19 '13 at 18:40
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...zeof(uint32_t));
return (tmp>>20)-1023;
Or in C99 and later, use a union {double d; uint32_t u[2];};. But note that in C++, union type punning is only supported on some compilers as an extension, not in ISO C++.
This will usually be slower than a platform-specific intrinsic for a leading...
How to correct indentation in IntelliJ
...ode → Auto-Indent Lines (default Ctrl + Alt + I) for the current line or selection.
You can customise the settings for how code is auto-formatted under File → Settings → Editor → Code Style.
To ensure comments are also indented to the same level as the code, you can simply do as follows:...
Discuz轻松生成sitemaps.xml网站地图 - 更多技术 - 清泛网 - 专注C/C++及内核技术
....sitemaps.org/schemas/sitemap/0.9/sitemap.xsd\">\n";
$querys = DB::query("SELECT a.tid FROM ".DB::table('forum_thread')." a inner join ".DB::table('forum_forum')." b on a.fid=b.fid ORDER BY a.tid DESC LIMIT 0,10000");
while($threadfid = DB::fetch($querys))
{
$turl=$web_root.'thread-'.$threadfid[...