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How to search a specific value in all tables (PostgreSQL)?
Is it possible to search every column of every table for a particular value in PostgreSQL?
8 Answers
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Semantic Diff Utilities [closed]
I'm trying to find some good examples of semantic diff/merge utilities. The traditional paradigm of comparing source code files works by comparing lines and characters.. but are there any utilities out there (for any language) that actually consider the structure of code when comparing files?
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How to add hyperlink in JLabel?
What is the best way to add a hyperlink in a JLabel? I can get the view using html tags, but how to open the browser when the user clicks on it?
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getApplication() vs. getApplicationContext()
I couldn't find a satisfying answer to this, so here we go: what's the deal with Activity/Service.getApplication() and Context.getApplicationContext() ?
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What's the difference between %s and %d in Python string formatting?
I don't understand what %s and %d do and how they work.
12 Answers
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Should I learn C before learning C++? [closed]
I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...
How do I create a unique constraint that also allows nulls?
I want to have a unique constraint on a column which I am going to populate with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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Should I instantiate instance variables on declaration or in the constructor?
Is there any advantage for either approach?
15 Answers
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.NET unique object identifier
Is there a way of getting a unique identifier of an instance?
11 Answers
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Can a variable number of arguments be passed to a function?
In a similar way to using varargs in C or C++:
6 Answers
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