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Difference between java.util.Random and java.security.SecureRandom
...JDK 7u2), from a comment on the method protected int next(int bits), which is the one that generates the random values:
This is a linear congruential pseudorandom number generator, as
defined by D. H. Lehmer and described by Donald E. Knuth in
The Art of Computer Programming, Volume 3:
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LINQ order by null column where order is ascending and nulls should be last
I'm trying to sort a list of products by their price.
10 Answers
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Selecting the last value of a column
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So this solution takes a string as its parameter. It finds how many rows are in the sheet. It gets all the values in the column specified. It loops through the values from the end to the beginning until it finds a value that is no...
Find the nth occurrence of substring in a string
This seems like it should be pretty trivial, but I am new at Python and want to do it the most Pythonic way.
21 Answers
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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
...("EF") - it now generates much better SQL (more like Linq to SQL does) and is easier to maintain and more powerful than Linq to SQL ("L2S"). As of the release of .NET 4.0, I consider Linq to SQL to be an obsolete technology. MS has been very open about not continuing L2S development further.
1) P...
How to check if a string “StartsWith” another string?
... an implementation that complies with all the details laid out in the spec is a little complicated. If you want a faithful shim, use either:
Matthias Bynens's String.prototype.startsWith shim, or
The es6-shim, which shims as much of the ES6 spec as possible, including String.prototype.startsWith.
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Calendar returns wrong month [duplicate]
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Months are indexed from 0 not 1 so 10 is November and 11 will be December.
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Which characters make a URL invalid?
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In general URIs as defined by RFC 3986 (see Section 2: Characters) may contain any of the following 84 characters:
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=
Note that this list doesn't st...
How do you write multiline strings in Go?
... language specification you can use a raw string literal, where the string is delimited by backticks instead of double quotes.
`line 1
line 2
line 3`
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Easy way to dismiss keyboard?
... table cells in my table, and I was wondering if there's an easier way to dismiss the keyboard without having to loop through all my controls and resigning them all as the first responder. I guess the question is.. How would I get the current first responder to the keyboard?
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