大约有 40,000 项符合查询结果(耗时:0.0341秒) [XML]
Is there a way to 'uniq' by column?
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sort -u -t, -k1,1 file
-u for unique
-t, so comma is the delimiter
-k1,1 for the key field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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Why does Math.Floor(Double) return a value of type Double?
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@Jon: how come you haven't weighed in on the debate raging over how to make a positive number negative in C#?: stackoverflow.com/questions/1348080/…
– MusiGenesis
Aug 28 '09 at 20:23
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What is the best way to check for Internet connectivity using .NET?
...lient = new WebClient())
using (client.OpenRead("http://google.com/generate_204"))
return true;
}
catch
{
return false;
}
}
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Force Screen On
...round, and only while it is in the foreground. It greatly simplifies this common use case, eliminating any juggling you need to do as your app transitions between states.
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Custom Drawable for ProgressBar/ProgressDialog
...he different states:
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@android:id/background">
<shape>
<gradient
android:startColor="#000001"
android:centerColor="#0b131e"
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Javascript Thousand Separator / string format [duplicate]
...er
According to this reference there isn't a built in function for adding commas to a number. But that page includes an example of how to code it yourself:
function addCommas(nStr) {
nStr += '';
var x = nStr.split('.');
var x1 = x[0];
var x2 = x.length > 1 ? '.' + x[1] : '';
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How to checkout a specific Subversion revision from the command line?
...want to checkout a specific revision of a folder in Subversion using the command line.
10 Answers
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Converting XDocument to XmlDocument and vice versa
...eader);
}
}
}
}
Sources:
http://msdn.microsoft.com/en-us/library/bb356384.aspx
http://geekswithblogs.net/aspringer/archive/2009/07/01/xdocument-extension.aspx
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im...
Convert JSON to Map
...son.org (section java) would work.
For one of them (Jackson https://github.com/FasterXML/jackson-databind/#5-minute-tutorial-streaming-parser-generator), you'd do:
Map<String,Object> result =
new ObjectMapper().readValue(JSON_SOURCE, HashMap.class);
(where JSON_SOURCE is a File, input...
Can you use Microsoft Entity Framework with Oracle? [closed]
...vArt's OraDirect provider now supports entity framework. See http://devart.com/news/2008/directs475.html
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