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How do pointer to pointers work in C?
How do pointers to pointers work in C?
When would you use them?
14 Answers
14
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How to specify function types for void (not Void) methods in Java8?
I'm playing around with Java 8 to find out how functions as first class citizens. I have the following snippet:
4 Answers
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How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
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Syntax for a single-line Bash infinite while loop
I am having trouble coming up with the right combination of semicolons and/or braces. I'd like to do this, but as a one-liner from the command line:
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Generic method multiple (OR) type constraint
Reading this , I learned it was possible to allow a method to accept parameters of multiple types by making it a generic method. In the example, the following code is used with a type constraint to ensure "U" is an IEnumerable<T> .
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How can I pass a parameter to a Java Thread?
Can anyone suggest to me how I can pass a parameter to a thread?
18 Answers
18
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Convert a list to a string in C#
How do I convert a list to a string in C#?
13 Answers
13
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SELECT INTO a table variable in T-SQL
Got a complex SELECT query, from which I would like to insert all rows into a table variable, but T-SQL doesn't allow it.
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ReadOnlyCollection or IEnumerable for exposing member collections?
Is there any reason to expose an internal collection as a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?
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How do you find the disk size of a Postgres / PostgreSQL table and its indexes
I'm coming to Postgres from Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc , or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer.
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