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Select distinct using linq [duplicate]
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FYI: This won't work unless you convert it back to a list again. GroupBy().Select(First()) will generate an ienumerable and you'll get a conversion error. Do this: myList.GroupBy(test => test.id) .Select(group => group.First()).ToList();
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Why do some C# lambda expressions compile to static methods?
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Note that the C# specification only talks about anonymous methods being converted to "expression trees", not "anonymous classes". While the expression tree could be represented as additional C# classes, for example, in the Microsoft compiler, this implementation is not required (as acknowledged b...
Best way to encode text data for XML in Java?
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@user1003916: XML escaping is designed to convert any & occurrence into & so that's how it has to work. If you excape already escaped string, that's your fault.
– Pointer Null
Dec 19 '14 at 9:33
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date format yyyy-MM-ddTHH:mm:ssZ
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One option could be converting DateTime to ToUniversalTime() before converting to string using "o" format. For example,
var dt = DateTime.Now.ToUniversalTime();
Console.WriteLine(dt.ToString("o"));
It will output:
2016-01-31T20:16:01.909234...
TypeError: sequence item 0: expected string, int found
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you can convert the integer dataframe into string first and then do the operation e.g.
df3['nID']=df3['nID'].astype(str)
grp = df3.groupby('userID')['nID'].aggregate(lambda x: '->'.join(tuple(x)))
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Android: How to put an Enum in a Bundle?
..., as otherwise the enum's ordering must be preserved!
Longer explanation: Convert from enum ordinal to enum type
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How can I get the last day of the month in C#? [duplicate]
...lectedValue), int.Parse(ddlmonth.SelectedValue));
DateTime tLastDayMonth = Convert.ToDateTime(lastDayOfMonth.ToString() + "/" + ddlmonth.SelectedValue + "/" + ddlyear.SelectedValue);
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C dynamically growing array
...d to initialize an array, an expression that has type ''array of type'' is converted to an expression with type ''pointer to type'' that points to the initial element of the array object and is not an lvalue. If the array object has register storage class, the behavior is undefined." The same is tru...
How can I parse a time string containing milliseconds in it with python?
...ed to 100000, 12 gets parsed to 120000, and 1234567 produces ValueError: unconverted data remains: 7
– user443854
Apr 4 '13 at 14:45
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How to override toString() properly in Java?
... // Append
.toString(); // Convert entire sequence to a single `String` object.
}
Person[ name=Alice | phone=555.867.5309 ]
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