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Why em instead of px?
I heard you should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in css? Is there a good example that illustrates this?
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What's the equivalent of use-commit-times for git?
I need the timestamps of files on my local and on my server to be in sync. This is accomplished with Subversion by setting use-commit-times=true in the config so that the last modified of each file is when it was committed.
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How to read/process command line arguments?
...mably means arguments specified with option-like arguments such as -f or --foo, while "exact number of arguments be known in advance" presumably means positional arguments given without any preceding option flags.
– mtraceur
Jul 25 '18 at 23:55
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Add a “hook” to all AJAX requests on a page
...ng response
xhook.after(function(request, response) {
response.headers['Foo'] = 'Bar';
});
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Alternative to itoa() for converting integer to string C++? [duplicate]
...ost/lexical_cast.hpp>
int main(int argc, char** argv) {
std::string foo = boost::lexical_cast<std::string>(argc);
}
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typeof !== “undefined” vs. != null
...= undefined_check;
}
This works because when someone writes undefined = "foo" he only lets the name undefined reference to a new value, but he doesn't change the actual value of undefined.
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Emacs bulk indent for Python
...d-pasted the following literal and need it to be re-indented sensibly:
foo = {
'bar' : [
1,
2,
3 ],
'baz' : {
'asdf' : {
'banana' : 1,
'apple' : 2 } } }
It feels like M-x indent-region should do something sensibly in python-mode, but that's not (yet...
Is it acceptable and safe to run pip install under sudo?
...ry (cd /tmp), the IOError does not occur anymore if I run sudo pip install foo.
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What is the difference between require() and library()?
...nd use its exports in line 500, you’ll get an error message “object ‘foo’ not found” in line 500, rather than an error “there is no package called ‘bla’”.
The only acceptable use case of require is when its return value is immediately checked, as some of the other answers show. Thi...
JavaScript function in href vs. onclick
... the DOM node with obj = document.getElementById(), then set obj.onclick = foo
– Matt Bridges
Jul 1 '09 at 19:24
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