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'printf' vs. 'cout' in C++
What is the difference between printf() and cout in C++?
16 Answers
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Finding current executable's path without /proc/self/exe
It seems to me that Linux has it easy with /proc/self/exe. But I'd like to know if there is a convenient way to find the current application's directory in C/C++ with cross-platform interfaces. I've seen some projects mucking around with argv[0], but it doesn't seem entirely reliable.
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Hiding user input on terminal in Linux script
I have bash script like the following:
9 Answers
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Why the switch statement cannot be applied on strings?
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20 Answers
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Iterate over a list of files with spaces
I want to iterate over a list of files. This list is the result of a find command, so I came up with:
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How do I UPDATE from a SELECT in SQL Server?
In SQL Server , it is possible to insert rows into a table with an INSERT.. SELECT statement:
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How to check if hex color is “too black”?
I'm trying to evaluate the darkness of a color chosen by a color picker to see if it's "too black", and if so, set it to white. I thought I could use the first characters of the hex value to pull this off. It's working, but it's switching some legitimately "light" colors too.
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Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
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What Vim command(s) can be used to quote/unquote words?
How can I quickly quote/unquote words and change quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim.
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How to do an update + join in PostgreSQL?
Basically, I want to do this:
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