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How do I pass a variable by reference?
...nge):
new_string = something_to_do_with_the_old_string(stuff_to_change[0])
stuff_to_change[0] = new_string
# then you could call it like
wrapper = [my_string]
use_a_wrapper_to_simulate_pass_by_reference(wrapper)
do_something_with(wrapper[0])
Although this seems a little cumbersome.
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raw vs. html_safe vs. h to unescape html
...so it can only be used on controllers and views.
"SafeBuffers and Rails 3.0" is a nice explanation on how the SafeBuffers (the class that does the html_safe magic) work.
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Why does the C preprocessor interpret the word “linux” as the constant “1”?
...conform (reasonably well) with the right command-line options:
gcc -std=c90 -pedantic ... # or -std=c89 or -ansi
gcc -std=c99 -pedantic
gcc -std=c11 -pedantic
See the gcc manual for more details.
gcc will be phasing out these definitions in future releases, so you shouldn't write code that depen...
How do I parse a string to a float or int?
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2704
>>> a = "545.2222"
>>> float(a)
545.22220000000004
>>> int(float(a))...
How to unstage large number of files without deleting the content
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1010
git reset
If all you want is to undo an overzealous "git add" run:
git reset
Your changes ...
What is reflection and why is it useful?
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edited Mar 7 at 23:08
Paul Ntshabeleng
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answered Sep 1 '08 at ...
Add a CSS border on hover without moving the element [duplicate]
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.jobs .item:hover {
background: #e1e1e1;
border-top: 1px solid #d0d0d0;
}
If your elements have a specified height and/or width, you can also use box-sizing:border-box;, as this box model includes padding and border widths into the computed size, example:
.jobs .item {
background: #...
Programmatically stop execution of python script? [duplicate]
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answered Feb 12 '09 at 21:20
Moses SchwartzMoses Schwartz
5,43933 gold badges1818 silver badges1111 bronze badges
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How to add anything in through jquery/javascript?
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150
You can select it and add to it as normal:
$('head').append('<link />');
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