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Accessing JPEG EXIF rotation data in JavaScript on the client side
...possible (It uses DataView and readAsArrayBuffer which are available in IE10+, but you can write your own data reader for older browsers):
function getOrientation(file, callback) {
var reader = new FileReader();
reader.onload = function(e) {
var view = new DataView(e.target...
Fastest way to determine if record exists
...lan_KDeclan_K
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5
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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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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 ...
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 ...
Programmatically stop execution of python script? [duplicate]
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answered Feb 12 '09 at 21:20
Moses SchwartzMoses Schwartz
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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))...