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Defining a variable with or without export
What is export for?
14 Answers
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Convert bytes to a string
I'm using this code to get standard output from an external program:
19 Answers
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How to change the cursor into a hand when a user hovers over a list item?
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In light of the passage of time, as people have mentioned, you can now safely just use:
li { cursor: pointer; }
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Regular expression to allow spaces between words
I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words.
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css3 transition animation on load?
Is it possible to use CSS3 transition animation on page load without using Javascript?
11 Answers
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Difference between 'new operator' and 'operator new'?
What is difference between "new operator" and "operator new"?
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Callback functions in C++
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Note: Most of the answers cover function pointers which is one possibility to achieve "callback" logic in C++, but as of today not the most favourable one I think.
What are callbacks(?) and why to use them(!)
A callback is a callable (see further down) accepted by...
Selecting the last value of a column
I have a spreadsheet with some values in column G. Some cells are empty in between, and I need to get the last value from that column into another cell.
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Is there still any reason to learn AWK?
... even old fashioned ones, because I like to use the right solution for the problem.
24 Answers
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Java Hashmap: How to get key from value?
If I have the value "foo" , and a HashMap<String> ftw for which ftw.containsValue("foo") returns true , how can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
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