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How do you count the number of occurrences of a certain substring in a SQL varchar?
...alues formatted like a,b,c,d. Is there a way to count the number of commas in that value in T-SQL?
20 Answers
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How do you pass multiple enum values in C#?
Sometimes when reading others' C# code I see a method that will accept multiple enum values in a single parameter. I always thought it was kind of neat, but never looked into it.
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Is it possible to set UIView border properties from interface builder?
... control UIView border properties (color, thickness, etc...) directly from interface builder or I can only do it programmatically?
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How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
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What are the main purposes of using std::forward and which problems it solves?
In perfect forwarding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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Array.push() if does not exist?
How can I push into an array if neither values exist? Here is my array:
23 Answers
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How to get a random number in Ruby
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Use rand(range)
From Ruby Random Numbers:
If you needed a random integer to simulate a roll of a six-sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6).
Finally, if you just need a random float, just call rand with no arguments.
As Mar...
How do I edit an incorrect commit message in git ( that I've pushed )?
I want to modify a commit message deeper in history and I've pushed many new commits.
7 Answers
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Get all object attributes in Python? [duplicate]
Is there a way to get all attributes/methods/fields/etc. of an object in Python?
4 Answers
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What is the difference between an ordered and a sorted collection?
...ns that the elements of the collection have a specific order. The order is independent of the value. A List is an example.
A sorted collection means that not only does the collection have order, but the order depends on the value of the element. A SortedSet is an example.
In contrast, a collection...