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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
4
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What does the C++ standard state the size of int, long type to be?
...es.
I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler.
24 Answers
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How to stop Gradle task execution in Android Studio?
Is there any legitimate way of Gradle task(s) execution stopping in Android Studio?
16 Answers
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What is the meaning of the prefix N in T-SQL statements and when should I use it?
... This denotes that the subsequent string is in Unicode
(the N actually stands for National language character set). Which
means that you are passing an NCHAR, NVARCHAR or NTEXT value, as
opposed to CHAR, VARCHAR or TEXT.
To quote from Microsoft:
Prefix Unicode character string constants ...
Associating enums with strings in C#
...t would be a tiny bit slower, but this would in most cases be neglectable. And it wouldn't have the exact same behaviour in the editor. E.G.: switching over this one wouldn't automatically fill in a case for each possibility. Other than those minor points, I think this is probably a rather simple so...
Automatically plot different colored lines
I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...
val() vs. text() for textarea
I am using jQuery, and wondering if I should use val() or text() (or another method) to read and update the content of a textarea.
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What is this 'Lambda' everyone keeps speaking of?
...abstract away boilerplate code. For example loops. We're used to write for and while loops all day long. But this is code that does not be written. We could extract the code inside the loop, the most important part of the loop, and abstract away the rest:
for (var i=0; i<array.length; i++) {
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Compile time string hashing
...ing's hash at compile time. However, no one seems to be ready to come out and say that it will be possible or how it would be done.
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Math - mapping numbers
How do I map numbers, linearly, between a and b to go between c and d.
9 Answers
9
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