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fastest (low latency) method for Inter Process Communication between Java and C/C++
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Just tested latency from Java on my Corei5 2.8GHz, only single byte send/received,
2 Java processes just spawned, without assigning specific CPU cores with taskset:
TCP - 25 microseconds
Named pipes - 15 microseconds
Now explicitly specifying core masks, li...
Capture Signature using HTML5 and iPad
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jun 19 '13 at 20:30
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Mysql order by specific ID values
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203
You can use ORDER BY and FIELD function.
See http://lists.mysql.com/mysql/209784
SELECT * FRO...
What events does an fire when it's value is changed?
...35
alex
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answered Oct 15 '10 at 7:30
Jacob Relki...
How do I combine two data frames?
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I believe you can use the append method
bigdata = data1.append(data2, ignore_index=True)
to keep their indexes just dont use the ignore_index keyword ...
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scopes with lambda and arguments in Rails 4 style?
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edited May 15 '19 at 20:37
Arslan Ali
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answe...
Is it possible to change icons in Visual Studio 2012?
Is there any way to replace VS2012 solution explorer's icons with VS2010 ones? At least 'folder' icon :(
4 Answers
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
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(For information about the new exception helper in Visual Studio 2017 see the end of this answer)
Consider this code:
String s = null;
Console.WriteLine(s.Length);
This will throw a NullReferenceException in the second line and you want to know why .NET doesn't tell you that it was s...
Equivalent of LIMIT and OFFSET for SQL Server?
...ite a query like this:
;WITH Results_CTE AS
(
SELECT
Col1, Col2, ...,
ROW_NUMBER() OVER (ORDER BY SortCol1, SortCol2, ...) AS RowNum
FROM Table
WHERE <whatever>
)
SELECT *
FROM Results_CTE
WHERE RowNum >= @Offset
AND RowNum < @Offset + @Limit
The advantage ...
git: patch does not apply
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362
git apply --reject --whitespace=fix mychanges.patch worked for me.
Explanation
The --reject opti...