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How to do an update + join in PostgreSQL?
Basically, I want to do this:
9 Answers
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Scala best way of turning a Collection into a Map-by-key?
If I have a collection c of type T and there is a property p on T (of type P , say), what is the best way to do a map-by-extracting-key ?
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What is a tracking branch?
Can someone explain a "tracking branch" as it applies to git?
4 Answers
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When to use in vs ref vs out
Someone asked me the other day when they should use the parameter keyword out instead of ref . While I (I think) understand the difference between the ref and out keywords (that has been asked before ) and the best explanation seems to be that ref == in and out , what are some (hypothet...
How can I wrap text in a label using WPF?
I have a TextBox and a Label. After clicking a button, I execute the following code:
10 Answers
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How do I create a URL shortener?
I want to create a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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Choosing the best concurrency list in Java [closed]
My thread pool has a fixed number of threads. These threads need to write and read from a shared list frequently.
6 An...
Should I inherit from std::exception?
I've seen at least one reliable source (a C++ class I took) recommend that application-specific exception classes in C++ should inherit from std::exception . I'm not clear on the benefits of this approach.
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How do I run a Python program in the Command Prompt in Windows 7?
I'm trying to figure out how to run Python programs with the Command Prompt on Windows 7. (I should have figured this out by now...)
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How to get the current date/time in Java [duplicate]
What's the best way to get the current date/time in Java?
28 Answers
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