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Excel “External table is not in the expected format.”
... seems to fix most problems.
public static string path = @"C:\src\RedirectApplication\RedirectApplication\301s.xlsx";
public static string connStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;";
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Stored procedure slow when called from web, fast from Management Studio
...ocedure that insanely times out every single time it's called from the web application.
7 Answers
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Strings as Primary Keys in SQL Database [closed]
... in the right place in the page. When the page is full, a page split will happen, with half of the rows on the page going to one page, and half going on the other. The pages are then relinked into the linked list of pages that comprise a tables data that has the clustered index. At most, you will en...
Maximum number of threads per process in Linux?
...p_count
echo 200000 > /proc/sys/kernel/pid_max
./100k-pthread-create-app
2018 update from @Thomas, on systemd systems:
/etc/systemd/logind.conf: UserTasksMax=100000
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How to fix java.net.SocketException: Broken pipe?
...ng at his end.
So in both cases you have a poorly defined or implemented application protocol.
There is a third reason which I will not document here but which involves the peer taking deliberate action to reset rather than properly close the connection.
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How does a debugger work?
...ming from the windowing system, the OS will generate events based on what happens in the process being debugged – for example an exception occurring. See WaitForDebugEvent.
The debugger is able to read and write the target process' virtual memory, and even adjust its register values through APIs ...
Check for internet connection availability in Swift
...ve-C libraries in Swift, I wanted a more pure Swift solution. The existing Apple Reachability class and other third party libraries seemed to be too complicated for me to translate to Swift. I Googled some more and I came across this article which shows a simple method to check for network availabil...
The provided URI scheme 'https' is invalid; expected 'http'. Parameter name: via
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Try adding message credentials on your app.config like:
<bindings>
<basicHttpBinding>
<binding name="defaultBasicHttpBinding">
<security mode="Transport">
<transport clientCredentialType="None" proxyCredentialType="None" realm...
Why are data transfer objects (DTOs) an anti-pattern?
...rue. You can serialize anonymous types to JSON just fine. Try it in an MVC app: return Json(new { Foo = "Hi there! } ); I promise you it works just fine. Better, perhaps, than non-anonymous types, since anonymous types generally have no cycles in their object graphs, which break the JSON serialize...
90后创业四年:曾经觉得不公 后来愿赌服输 - 资讯 - 清泛网 - 专注C/C++及内核技术
...术,用人工智能的方法让机器创作出曲子来。用户在听画App上传一张照片,我们能用人工智能技术为每张照片配上属于它的原创音乐。除了社交,我们更想把听画打造成草根音乐人的原创音乐创作社区。因为,我们的人工智能谱...