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Generating random strings with T-SQL
If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it?
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What is the advantage of using forwarding references in range-based for loops?
const auto& would suffice if I want to perform read-only operations. However, I have bumped into
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Why java classes do not inherit annotations from implemented interfaces?
I've been using Guice's AOP to intercept some method calls. My class implements an interface and I would like to annotate the interface methods so Guice could select the right methods. Even if the annotation type is annotated with Inherited annotation implementing class doesn't inherit the annotat...
When to use SELECT … FOR UPDATE?
Please help me understand the use-case behind SELECT ... FOR UPDATE .
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Why does my application spend 24% of its life doing a null check?
I've got a performance critical binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it.
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How do I get the day of week given a date?
I want to find out the following:
given a date ( datetime object), what is the corresponding day of the week?
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setting multiple column using one update
How to set multiple columns of a table using update query in mysql?
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How can I change image tintColor in iOS and WatchKit
I have an UIImageView called "theImageView", with UIImage in a single color (transparent background) just like the left black heart below. How can I change the tint color of this image programmatically in iOS 7 or above, as per the tint method used in the iOS 7+ Navigation Bar icons?
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fastest MD5 Implementation in JavaScript
There are many MD5 JavaScript implementations out there.
Does anybody know which one is the most advanced, most bugfixed and fastest?
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INSERT IF NOT EXISTS ELSE UPDATE?
I've found a few "would be" solutions for the classic "How do I insert a new record or update one if it already exists" but I cannot get any of them to work in SQLite.
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