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do { … } while (0) — what is it good for? [duplicate]
I've been seeing that expression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.)
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Color text in terminal applications in UNIX [duplicate]
I started to write a terminal text editor, something like the first text editors for UNIX, such as vi. My only goal is to have a good time, but I want to be able to show text in color, so I can have syntax highlighting for editing source code.
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Trying to embed newline in a variable in bash [duplicate]
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Is a Java hashmap search really O(1)?
I've seen some interesting claims on SO re Java hashmaps and their O(1) lookup time. Can someone explain why this is so? Unless these hashmaps are vastly different from any of the hashing algorithms I was bought up on, there must always exist a dataset that contains collisions.
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Counting inversions in an array
I'm designing an algorithm to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find...
how to schedule a job for sql query to run daily?
I need to know how to make a SQL query run daily using a SQL Server Agent job, with minimum required configuration settings.
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MySQL load NULL values from CSV data
I have a file that can contain from 3 to 4 columns of numerical values which are separated by comma. Empty fields are defined with the exception when they are at the end of the row:
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Repeat String - Javascript
What is the best or most concise method for returning a string repeated an arbitrary amount of times?
30 Answers
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Testing whether a value is odd or even
I decided to create simple isEven and isOdd function with a very simple algorithm:
22 Answers
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Display numbers with ordinal suffix in PHP
I want to display numbers as follows
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