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Preferred Java way to ping an HTTP URL for availability
...e request method. However, you need to take into account that some poor webapps or homegrown servers may return HTTP 405 error for a HEAD (i.e. not available, not implemented, not allowed) while a GET works perfectly fine. Using GET is more reliable in case you intend to verify links/resources not d...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...创业大街上，你能收到的100份融资BP里，可能有99份都是APP和O2O项目，但99家里90%以上会重视大数据。
二、政策好，政府支持力度大
根据gov.cn9月6日消息，国务院公开发布《国务院关于印发促进大数据发展行动纲要的通知》，纲...
Html table tr inside td
...en I put tr s in td, infact I've put many tr s inside some td s because my app renders arrays of objects within some properties, and it works across all browsers, (don't know about IE, as I did not test it in IE), anyone interested can check it out - stackblitz.com/edit/angular-u7aman , Note: it is ...
Android and XMPP: Currently available solutions [closed]
...o transfer, last seen, change registration number... almost complete whats app. I have created lots of plugin on openfire
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Chai: how to test for undefined with 'should' syntax
Building on this tutorial testing an angularjs app with chai, I want to add a test for an undefined value using the "should" style. This fails:
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Linq: adding conditions to the where clause conditionally
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If you do not call ToList() and your final mapping to the DTO type, you can add Where clauses as you go, and build the results at the end:
var query = from u in DataContext.Users
where u.Division == strUserDiv
&& u.Age > 18
&& u.Height >...
How do I determine file encoding in OS X?
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@JamesA.Rosen OS X apps like TextEdit do store file encoding as an attribute (named "com.apple.TextEncoding"). It's quite likely that the attributes indicated by that @ include the file encoding attribute. You can use the command xattr -p com.a...
Git: How to update/checkout a single file from remote origin master?
...branch and checkout on it:
git branch pouet && git checkout pouet
Apply the commit you want on this branch:
git cherry-pick abcdefabcdef
(abcdefabcdef is the sha1 of the commit you want to apply)
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How do I unlock a SQLite database?
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I caused my sqlite db to become locked by crashing an app during a write. Here is how i fixed it:
echo ".dump" | sqlite old.db | sqlite new.db
Taken from: http://random.kakaopor.hu/how-to-repair-an-sqlite-database
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How to set request headers in rspec request spec?
...u can try something like this:
get '/my/path', nil, {'HTTP_ACCEPT' => "application/json"}
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