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Java String remove all non numeric characters
Trying to remove all letters and characters that are not 0-9 and a period. I'm using Character.isDigit() but it also removes decimal, how can I also keep the decimal?
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Changing iframe src with Javascript
I am trying to change an <iframe src=... > when someone clicks a radio button. For some reason my code is not working correctly and I am having trouble figuring out why. Here is what I have:
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Select rows which are not present in other table
I've got two postgresql tables:
4 Answers
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What is the difference between Strategy design pattern and State design pattern?
...o changes the strategy in the strategy pattern ??
– Noor
Mar 8 '13 at 3:23
1
@Noor, usually it is...
Error handling in Bash
...ror ${LINENO}' ERR
...then, whenever you create a temporary file:
temp_foo="$(mktemp -t foobar.XXXXXX)"
tempfiles+=( "$temp_foo" )
and $temp_foo will be deleted on exit, and the current line number will be printed. (set -e will likewise give you exit-on-error behavior, though it comes with seri...
How can I expand the full path of the current file to pass to a command in Vim?
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In Python, when should I use a function instead of a method?
...bject, it should be a member operation. If it could apply to other things too, or is done by something else to the object then it should be a function (or perhaps a member of something else).
When introducing programming, it is traditional (albeit implementation incorrect) to describe objects in te...
How can I get query string values in JavaScript?
Is there a plugin-less way of retrieving query string values via jQuery (or without)?
73 Answers
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How to change the color of an svg element?
I want to use this technique http://css-tricks.com/svg-fallbacks/ and change the svg color but so far I haven't been able to do so. I put this in the css but my image is always black, no matter what. My code:
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What is the 'pythonic' equivalent to the 'fold' function from functional programming?
What is the most idiomatic way to achieve something like the following, in Haskell:
9 Answers
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