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Postgresql GROUP_CONCAT equivalent?
I have a table and I'd like to pull one row per id with field values concatenated.
7 Answers
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
Two questions about using a question mark "?" and colon ":" operator within the parentheses of a print function: What do they do? Also, does anyone know the standard term for them or where I can find more information on their use? I've read that they are similar to an 'if' 'else' statement.
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GUI not working after rewriting to MVC
I'm practicing MVC style programming. I have a Mastermind game in a single file, working fine (maybe apart of the fact that "Check" button is invisible at start).
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How can I comment a single line in XML?
This rather is a verification just not to miss out.
5 Answers
5
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Converting an integer to a string in PHP
Is there a way to convert an integer to a string in PHP?
14 Answers
14
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How do you create an asynchronous method in C#?
Every blog post I've read tells you how to consume an asynchronous method in C#, but for some odd reason never explain how to build your own asynchronous methods to consume. So I have this code right now that consumes my method:
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Replace non-numeric with empty string
... on requirement in our project. A field in our DB to hold a phone number is set to only allow 10 characters. So, if I get passed "(913)-444-5555" or anything else, is there a quick way to run a string through some kind of special replace function that I can pass it a set of characters to allow?
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Nested Git repositories?
Can I nest Git repositories? I have:
7 Answers
7
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Why not infer template parameter from constructor?
my question today is pretty simple: why can't the compiler infer template parameters from class constructors, much as it can do from function parameters? For example, why couldn't the following code be valid:
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iPhone UITextField - Change placeholder text color
I'd like to change the color of the placeholder text I set in my UITextField controls, to make it black.
32 Answers
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