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Getting one value from a tuple
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207
You can write
i = 5 + tup()[0]
Tuples can be indexed just like lists.
The main difference b...
Better techniques for trimming leading zeros in SQL Server?
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SUBSTRING(str_col, PATINDEX('%[^0]%', str_col+'.'), LEN(str_col))
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
I have a project in which I'd like to use some of the .NET 4.0 features but a core requirement is that I can use the System.Data.SQLite framework which is compiled against 2.X. I see mention of this being possible such as the accepted answer here but I don't see how to actually achieve this.
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How do I get the path and name of the file that is currently executing?
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Krzysztof Janiszewski
3,40422 gold badges1313 silver badges3232 bronze badges
answered Sep 8 '08 at 23:02
Pat NotzPat Notz
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Set a persistent environment variable from cmd.exe
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answered May 5 '11 at 13:09
Vik DavidVik David
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How is this fibonacci-function memoized?
... and kept ready in case it is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
That is what that trick, "going-through-a-list", is exploiting. In normal do...
Force the origin to start at 0
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205
xlim and ylim don't cut it here. You need to use expand_limits, scale_x_continuous, and scale_y...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...NSString = str as NSString
myNSString.substringWithRange(NSRange(location: 0, length: 3))
Note: as JanX2 mentioned, this second method is not safe with unicode strings.
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Is there a reason that we cannot iterate on “reverse Range” in ruby?
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100
A range is just that: something defined by its start and end, not by its contents. "Iterating" ...
How to access array elements in a Django template?
... I want to access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
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