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How do I remove a project configuration in Visual Studio 2008?
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191
In the Configuration Manager, select "Edit..." in the "Configuration" column for each project ...
Return 0 if field is null in MySQL
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Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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Unknown file type MIME?
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186
You can use application/octet-stream for unknown types.
RFC 2046 states in section 4.5.1:
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Can I hex edit a file in Visual Studio?
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edited Dec 25 '18 at 18:02
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Get a list of distinct values in List
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answered Apr 21 '12 at 0:33
Kirk WollKirk Woll
68.3k1818 gold badges169169 silver badges184184 bronze badges
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Run two async tasks in parallel and collect results in .NET 4.5
... {
Console.WriteLine("Starting");
var task1 = Sleep(5000);
var task2 = Sleep(3000);
int[] result = await Task.WhenAll(task1, task2);
Console.WriteLine("Slept for a total of " + result.Sum() + " ms");
}
private a...
Increase distance between text and title on the y-axis
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174
From ggplot2 2.0.0 you can use the margin = argument of element_text() to change the distance ...
Re-entrant locks in C#
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150
No, not as long as you are locking on the same object. The recursive code effectively already...
What is a proper naming convention for MySQL FKs?
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143
In MySQL, there is no need to give a symbolic name to foreign key constraints. If a name is no...
Ignoring time zones altogether in Rails and PostgreSQL
...alue representing the count of microseconds from the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH ...