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Access-Control-Allow-Origin与跨域 - 建站技术 - 清泛IT论坛，有思想、有深度
...Chrome打开。当点击“Run with Js”时，控制台上会打出：XMLHttpRequest cannot load http://bbs.tsingfun.com/xxxxxx. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://www.tsingfun.com' is therefore not allowed access. 但开发者工具的”Ne...
MFC中使用CSplitterWnd分割窗口后视图大小的问题 - C++ UI - 清泛IT社区，为创新赋能！
...件的大小。
3、如果出现了不该出现的滚动条，请参考：http://bbs.tsingfun.com/thread-888-1-1.html
4、窗口不能自适应？请参考：http://bbs.tsingfun.com/thread-865-1-1.html
CSplitterWnd基本使用方法参见：http://www.tsingfun.com/html/2016/dev_0427/1420.ht...
Unable to show a Git tree in terminal
Killswitchcollective.com's old article, 30 June 2009 , has the following inputs and outputs
6 Answers
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采花大盗速成秘籍之YQL - 人工智能(AI) - 清泛IT论坛，有思想、有深度
...行如下代码即可获得相关数据：select * from html
where url='http://www.dangdang.com/'
and xpath='//ul[@id="homepage_promotion_count_ul"]/li/p[@class="name"]/a'通过指定XPath，就能得到想要的数据，如果不熟悉XPath，可以通过Firebug获得：通过...
JavaScript global event mechanism
...rror_data['line'] = line;
error_data['col'] = col;
}
var xhr = new XMLHttpRequest();
xhr.open('POST', '/ajax/log_javascript_error');
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.onload = function() {
if (xhr.statu...
Truncating all tables in a Postgres database
...t in turn? You would probably have to write a PL/pgSQL script to do this.
http://www.postgresql.org/docs/8.3/static/plpgsql-statements.html (section 38.5.4. Executing Dynamic Commands)
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impr...
How can I list all foreign keys referencing a given table in SQL Server?
... sql 2008 database for some reason. sp_help shows the relations, but this command will not.
– tbone
Jun 5 '13 at 18:43
21
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What is the best way to check for Internet connectivity using .NET?
... using (var client = new WebClient())
using (client.OpenRead("http://google.com/generate_204"))
return true;
}
catch
{
return false;
}
}
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Android SDK Manager Not Installing Components
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@willtate, I asked the question at stackoverflow.com/q/10470593/410975 and it worked in the end but through a weird route of changing the name of the folder it could not access then back again.. it works but through a mystery of actions.
– Vass
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Replacing instances of a character in a string
This simple code that simply tries to replace semicolons (at i-specified postions) by colons does not work:
13 Answers
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