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What is the most efficient string concatenation method in python?
...icient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
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Simple way to transpose columns and rows in SQL?
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I'm passing the result to a c# DataTable. I can build a simple method 'Transpose(Datatable dt)' to do it there, but is there anything in SQL to do this.
– edezzie
Nov 14 '12 at 18:47
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WPF Application that only has a tray icon
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When should I use double instead of decimal?
...000000000000987654321)
EDIT
According to the reference documentation on C# decimals:
The decimal keyword denotes a
128-bit data type. Compared to
floating-point types, the decimal type
has a greater precision and a smaller
range, which makes it suitable for
financial and monetary ca...
Does List guarantee insertion order?
...there a more definitive quote/reference we could get from Microsoft or the C# specification about this? @aolszowka's quote definitely seems to suggest that it does retain insertion order, but technically the List could re-order the collection any time after an item was added and that statement would...
Structs versus classes
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@Jon: The C# compiler optimizes const data but not readonly data. I do not know if the jit compiler performs any caching optimizations on readonly fields.
– Eric Lippert
Oct 15 '10 at 14:50
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How can I ensure that a division of integers is always rounded up?
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All the answers here so far seem rather over-complicated.
In C# and Java, for positive dividend and divisor, you simply need to do:
( dividend + divisor - 1 ) / divisor
Source: Number Conversion, Roland Backhouse, 2001
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How to sort an IEnumerable
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Default value of a type at Runtime [duplicate]
...un time form of GetDefault works with identical semantics as the primitive C# 'default' keyword, and produces the same results.
To use a generic form of GetDefault, you may access the following function:
/// <summary>
/// [ <c>public static T GetDefault&lt; T &gt;()<...
Parallel.ForEach vs Task.Factory.StartNew
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