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Getting and removing the first character of a string
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answered Mar 14 '14 at 9:41
bartektartanusbartektartanus
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switch() statement usage
... expr min lq median uq max
1 test1("mean") 709 771 864 951 16122411
2 test2("mean") 1007 1073 1147 1223 8012202
> microbenchmark(test1('trimmed'), test2('trimmed'), times=1e6)
Unit: nanoseconds
expr min lq median uq max
1 test1("trimmed") 733 7...
What is the _references.js used for?
What is the _references.js file used for in a new ASP.NET MVC 4 project?
2 Answers
2
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SQL Logic Operator Precedence: And and Or
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4 Answers
4
Active
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Replace specific characters within strings
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410
With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18"...
Using async/await for multiple tasks
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int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient).Wait());
Although you run the operations in parallel with the above code, this code blocks each thread that each operation runs on. For example, if the net...
Using a bitmask in C#
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public enum Names
{
None = 0,
Susan = 1,
Bob = 2,
Karen = 4
}
Then you'd check for a particular name as follows:
Names names = Names.Susan | Names.Bob;
// evaluates to true
bool susanIsIncluded = (names & Names.Susan) != Names.None;
// evaluates to false
bool karenIsInclude...
How can I make pandas dataframe column headers all lowercase?
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answered Nov 1 '13 at 11:42
Roman PekarRoman Pekar
86.7k2525 gold badges156156 silver badges172172 bronze badges
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[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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274
I am using VS2013, MVC 5.2.2.0, Web Api 2. I have just changed the all versions from 2.0.0.0 to ...