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Random row from Linq to Sql
What is the best (and fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true?
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Efficient way to remove ALL whitespace from String?
... For those new to RegEx and looking for an explanation as to what this expression means, \s means "match any whitespace token", and + means "match one or more of the proceeding token". Also RegExr is a nice website to practice writing RegEx expressions with, if you want to experiment....
Get list of a class' instance methods
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You actually want TestClass.instance_methods, unless you're interested in what TestClass itself can do.
class TestClass
def method1
end
def method2
end
def method3
end
end
TestClass.methods.grep(/method1/) # => []
TestClass.instance_methods.grep(/method1/) # => ["method1"]
Tes...
Understanding prototypal inheritance in JavaScript
...rence between the following blocks of code? I tested and both blocks work. What's the best practice and why?
6 Answers
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Java8 Lambdas vs Anonymous classes
...concern; it doesn't affect how one programs with AICs vs lambdas, which is what this question is mostly about. Note that a lambda expression does generate a class with a name like LambdaClass$$Lambda$1/1078694789. However, this class is generated on-the-fly by the lambda metafactory, not by javac, s...
Why does GCC generate such radically different assembly for nearly the same C code?
...Notice that there are no xors in the assembly for fast_trunc_one(). That's what gave it away for me.
How so?
Step 1: sign = -sign
First, let's take a look at the sign variable. Since sign = i & 0x80000000;, there are only two possible values that sign can take:
sign = 0
sign = 0x80000000
Now...
How do I return multiple values from a function? [closed]
... The OP already mentioned tuples so there's actually no difference between what he mentioned and what this answer shows. None
– Ken4scholars
Jan 23 '19 at 19:25
2
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Remove last character from C++ string
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@CzarekTomczak: I understand this is not exactly what was asked for, thus the disclaimer before the actual gist.
– Matthieu M.
Jan 19 '13 at 15:05
2
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ObjectiveC Parse Integer from String
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I really don't know what was so hard about this question, but I managed to do it this way:
[myStringContainingInt intValue];
It should be noted that you can also do:
myStringContainingInt.intValue;
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What are paramorphisms?
...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f13317242%2fwhat-are-paramorphisms%23new-answer', 'question_page');
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